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Diehl MM, Moscarello JM, Trask S. Behavioral outputs and overlapping circuits between conditional fear and active avoidance. Neurobiol Learn Mem 2024; 213:107943. [PMID: 38821256 DOI: 10.1016/j.nlm.2024.107943] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2024] [Revised: 05/19/2024] [Accepted: 05/27/2024] [Indexed: 06/02/2024]
Abstract
Aversive learning can produce a wide variety of defensive behavioral responses depending on the circumstances, ranging from reactive responses like freezing to proactive avoidance responses. While most of this initial learning is behaviorally supported by an expectancy of an aversive outcome and neurally supported by activity within the basolateral amygdala, activity in other brain regions become necessary for the execution of defensive strategies that emerge in other aversive learning paradigms such as active avoidance. Here, we review the neural circuits that support both reactive and proactive defensive behaviors that are motivated by aversive learning, and identify commonalities between the neural substrates of these distinct (and often exclusive) behavioral strategies.
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Affiliation(s)
- Maria M Diehl
- Department of Psychological Sciences, Kansas State University, Manhattan, KS, USA
| | | | - Sydney Trask
- Department of Psychological Sciences, Purdue University, West Lafayette, IN, USA; Purdue Institute for Integrative Neuroscience, West Lafayette, IN, USA.
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2
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Jones BO, Spencer HF, Cruz AM, Paladino MS, Handel SN, Smith RJ. Random interval schedule of reinforcement influences punishment resistance for cocaine in rats. Neurobiol Learn Mem 2024; 213:107961. [PMID: 39025429 DOI: 10.1016/j.nlm.2024.107961] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2024] [Revised: 07/02/2024] [Accepted: 07/15/2024] [Indexed: 07/20/2024]
Abstract
In an animal model of compulsive drug use, a subset of rats continues to self-administer cocaine despite footshock consequences and is considered punishment resistant. We recently found that punishment resistance is associated with habits that persist under conditions that typically encourage a transition to goal-directed control. Given that random ratio (RR) and random interval (RI) schedules of reinforcement influence whether responding is goal-directed or habitual, we investigated the influence of these schedules on punishment resistance for cocaine or food. Male and female Sprague Dawley rats were trained to self-administer either intravenous cocaine or food pellets on a seeking-taking chained schedule of reinforcement, with the seeking lever requiring completion of either an RR20 or RI60 schedule. Rats were then given four days of punishment testing with footshock administered at the completion of seeking on a random one-third of trials. For cocaine-trained rats, the RI60 schedule led to greater punishment resistance (i.e., more trials completed) than the RR20 schedule in males and females. For food-trained rats, the RI60 schedule led to greater punishment resistance (i.e., higher reward rates) than the RR20 schedule in female rats, although male rats showed punishment resistance on both RR20 and RI60 schedules. For both cocaine and food, we found that seeking responses were suppressed to a greater degree than reward rate with the RI60 schedule, whereas response rate and reward rate were equally suppressed with the RR20 schedule. This dissociation between punishment effects on reward rate and response rate with the RI60 schedule can be explained by the nonlinear relation between these variables on RI schedules, but it does not account for the enhanced resistance to punishment. Overall, the results show greater punishment resistance with the RI60 schedule as compared to the RR20 schedule, indicating that schedules of reinforcement are an influencing factor on resistance to negative consequences.
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Affiliation(s)
- Bradley O Jones
- Institute for Neuroscience, Texas A&M University, TAMU 3474, College Station, TX 77843, USA
| | - Haley F Spencer
- Department of Psychological and Brain Sciences, Texas A&M University, TAMU 4235, College Station, TX 77843, USA
| | - Adelis M Cruz
- Department of Psychological and Brain Sciences, Texas A&M University, TAMU 4235, College Station, TX 77843, USA
| | - Morgan S Paladino
- Department of Psychological and Brain Sciences, Texas A&M University, TAMU 4235, College Station, TX 77843, USA
| | - Sophia N Handel
- Department of Psychological and Brain Sciences, Texas A&M University, TAMU 4235, College Station, TX 77843, USA
| | - Rachel J Smith
- Institute for Neuroscience, Texas A&M University, TAMU 3474, College Station, TX 77843, USA; Department of Psychological and Brain Sciences, Texas A&M University, TAMU 4235, College Station, TX 77843, USA.
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3
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Peart DR, Nolan CJ, Stone AP, Williams MA, Karlovcec JM, Murray JE. Disruption of positive- and negative-feature morphine interoceptive occasion setters by dopamine receptor agonism and antagonism in male and female rats. Psychopharmacology (Berl) 2024; 241:1597-1615. [PMID: 38580732 DOI: 10.1007/s00213-024-06584-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/16/2023] [Accepted: 03/29/2024] [Indexed: 04/07/2024]
Abstract
RATIONALE Internally perceived stimuli evoked by morphine administration can form Pavlovian associations such that they can function as occasion setters (OSs) for externally perceived reward cues in rats, coming to modulate reward-seeking behaviour. Though much research has investigated mechanisms underlying opioid-related reinforcement and analgesia, neurotransmitter systems involved in the functioning of opioids as Pavlovian interoceptive discriminative stimuli remain to be disentangled despite documented differences in the development of tolerance to analgesic versus discriminative stimulus effects. OBJECTIVES Dopamine has been implicated in many opioid-related behaviours, so we aimed to investigate the role of this neurotransmitter in expression of morphine occasion setting. METHODS Male and female rats were assigned to positive- (FP) or negative-feature (FN) groups and received an injection of morphine or saline before each training session. A 15-s white noise conditioned stimulus (CS) was presented 8 times during every training session; offset of this stimulus was followed by 4-s access to liquid sucrose on morphine, but not saline, sessions for FP rats. FN rats learned the reverse contingency. Following stable discrimination, rats began generalization testing for expression of morphine-guided sucrose seeking after systemic pretreatment with different doses of the non-selective dopamine receptor antagonist, flupenthixol, and the non-selective dopamine receptor agonist, apomorphine, combined with training doses of morphine or saline in a Latin-square design. RESULTS The morphine discrimination was acquired under both FP and FN contingencies by males and females. Neither flupenthixol nor apomorphine at any dose substituted for morphine, but both apomorphine and flupenthixol disrupted expression of the morphine OS. This inhibition was specific to sucrose seeking during CS presentations rather than during the period before CS onset and, in the case of apomorphine more so than flupenthixol, to trials on which access to sucrose was anticipated. CONCLUSIONS Our findings lend support to a mechanism of occasion setting involving gating of CS-induced dopamine release rather than by direct dopaminergic modulation by the morphine stimulus.
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Affiliation(s)
- Davin R Peart
- Department of Psychology, University of Guelph, 50 Stone Road East, Guelph, ON, N1G 2W1, Canada
- Collaborative Neurosciences Graduate Program, University of Guelph, 50 Stone Road East, Guelph, ON, N1G 2W1, Canada
| | - Caitlin J Nolan
- Collaborative Neurosciences Graduate Program, University of Guelph, 50 Stone Road East, Guelph, ON, N1G 2W1, Canada
- Department of Biomedical Sciences, University of Guelph, Guelph, ON, Canada
| | - Adiia P Stone
- Department of Psychology, University of Guelph, 50 Stone Road East, Guelph, ON, N1G 2W1, Canada
- Collaborative Neurosciences Graduate Program, University of Guelph, 50 Stone Road East, Guelph, ON, N1G 2W1, Canada
| | - Mckenna A Williams
- Department of Molecular and Cellular Biology, University of Guelph, Guelph, ON, Canada
| | - Jessica M Karlovcec
- Department of Psychology, University of Guelph, 50 Stone Road East, Guelph, ON, N1G 2W1, Canada
- Collaborative Neurosciences Graduate Program, University of Guelph, 50 Stone Road East, Guelph, ON, N1G 2W1, Canada
| | - Jennifer E Murray
- Department of Psychology, University of Guelph, 50 Stone Road East, Guelph, ON, N1G 2W1, Canada.
- Collaborative Neurosciences Graduate Program, University of Guelph, 50 Stone Road East, Guelph, ON, N1G 2W1, Canada.
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4
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de Almeida-Antunes NA, Sampaio ACS, Crego MAB, López-Caneda EG. Tackling addictive behaviors through memory suppression: A scoping review and perspective. ALCOHOL, CLINICAL & EXPERIMENTAL RESEARCH 2024; 48:1421-1442. [PMID: 38844789 DOI: 10.1111/acer.15381] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/02/2023] [Revised: 05/04/2024] [Accepted: 05/13/2024] [Indexed: 08/09/2024]
Abstract
Forgetting is often viewed as a human frailty. However, over the years, it has been considered an adaptive process that allows people to avoid retrieval of undesirable memories, preventing them from suffering and discomfort. Evidence shows that the ability to suppress memories is affected by several psychopathological conditions characterized by persistent unwanted thoughts, including anxiety and posttraumatic stress disorders. Nevertheless, memory suppression (MS) mechanisms in addiction-a clinical condition characterized by recurrent drug-related thoughts that contribute to repeated drug use-have received little attention so far. Addiction theories reveal that drugs change behavior by working on memory systems, particularly on declarative memory, which is related to the retrieval and encoding of drug-related memories. In this review, the main behavioral and neurofunctional findings concerning the Think/No-Think task-an adaptation of the classical Go/No-Go tasks typically used to evaluate the suppression of motor response-are presented. We then show how the memory system can be involved in the craving or anticipation/preoccupation stage of the addiction cycle. Subsequently, the study of MS in the context of addictive behaviors is highlighted as a promising approach for gaining knowledge about the mechanisms contributing to the continuation of addiction. Finally, we discuss how interventions aiming to strengthen this ability could impact the anticipation/preoccupation stage by (i) reducing the accessibility of drug-related memories, (ii) decreasing craving and attention toward drug-related stimuli, and (iii) improving overall inhibition abilities. In conclusion, this review aims to illustrate how the study of MS may be a valuable approach to enhance our understanding of substance use disorders by unveiling the underlying cognitive and neural mechanisms involved, which could have important implications for addiction treatment.
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Affiliation(s)
| | - Adriana Conceição Soares Sampaio
- Psychological Neuroscience Laboratory (PNL), Psychology Research Center (CIPsi), School of Psychology, University of Minho, Braga, Portugal
| | - Manuel Alberto Barreiro Crego
- Psychological Neuroscience Laboratory (PNL), Psychology Research Center (CIPsi), School of Psychology, University of Minho, Braga, Portugal
| | - Eduardo Guillermo López-Caneda
- Psychological Neuroscience Laboratory (PNL), Psychology Research Center (CIPsi), School of Psychology, University of Minho, Braga, Portugal
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Zeganadin L, Lopez-Castroman J, Auriacombe M, Luquiens A. Systematic review of patient contribution to the development of alcohol craving measurements. ALCOHOL, CLINICAL & EXPERIMENTAL RESEARCH 2024. [PMID: 39090768 DOI: 10.1111/acer.15409] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/24/2024] [Accepted: 07/02/2024] [Indexed: 08/04/2024]
Abstract
Craving is considered one of the defining characteristics for alcohol or substance use disorders. There is no consensus on the underlying processes of craving, although multiple models exist. Craving is a very individualistic symptom and has to be self-reported. Several instruments have been developed to measure craving, without a recognized gold standard. The patient's perspective appears critical to determine the relevance of the numerous existing tools. We assessed the contribution of patients to the development of these instruments. We performed a systematic review of instruments measuring alcohol craving published from 2012 to 2023 from three databases (PubMed, PsycInfo, and Embase) in addition to those identified in a previous review by Kavanagh et al. from 1990 to 2012. We included all articles related to the development or validation of instruments for the assessment of alcohol craving. We identified and included in this review the corresponding instruments. Articles translating existing instruments without validation or on single-item instruments were excluded. We analyzed the articles in accordance with COnsensus-based Standards for the selection of health Measurement INstruments (COSMIN) recommendations to assess patient involvement in the creation of patient-reported outcome measures (PROM). Two key aspects were investigated: (1) the general design, encompassing the quality of construct description, identification of elements pertinent to a PROM, particularly the inclusion of concepts provided by patients, and (2) the quality of cognitive interviews (when conducted), to evaluate the comprehensiveness and comprehensibility of the PROM. We included 22 articles identifying 16 instruments for measuring alcohol craving. Patients only contributed to item development for one instrument and its short version (QAU and AUQ). None of the instruments met all of the developmental quality criteria, with 14 classed as "inadequate" and two as "doubtful." The current instruments measuring alcohol craving were developed with poor patient contribution, although most articles did not adequately report patient involvement. Patients' perspectives on craving should be explored for future patient-centered approach.
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Affiliation(s)
- Lionel Zeganadin
- Department of Addictology, CHU Nîmes, Univ Montpellier, Nîmes, France
- CH de Sète, Sète, France
| | - Jorge Lopez-Castroman
- Department of Psychiatry, CHU Nîmes, Univ Montpellier, Nimes, France
- Institut de Génomique Fonctionnelle, University of Montpellier, CNRS-INSERM, Montpellier, France
- Centro de Investigación Biomédica en Red de Salud Mental, Madrid, Spain
- Department of Signal Theory and Communications, Carlos III University, Madrid, Spain
| | - Marc Auriacombe
- Addiction Psychiatry Research, SANPSY, CNRS UMR 6033 and University of Bordeaux, Bordeaux, France
- Addiction Clinic (Pôle Interétablissement d'Addictologie), CH Charles Perrens and CHU de Bordeaux, Bordeaux, France
| | - Amandine Luquiens
- Department of Addictology, CHU Nîmes, Univ Montpellier, Nîmes, France
- CESP, Univ. Paris-Sud, UVSQ, INSERM, Université Paris-Saclay, Villejuif, France
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6
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Vilca SJ, Margetts AV, Höglund L, Fleites I, Bystrom LL, Pollock TA, Bourgain-Guglielmetti F, Wahlestedt C, Tuesta LM. Microglia contribute to methamphetamine reinforcement and reflect persistent transcriptional and morphological adaptations to the drug. Brain Behav Immun 2024; 120:339-351. [PMID: 38838836 PMCID: PMC11269013 DOI: 10.1016/j.bbi.2024.05.038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/19/2023] [Revised: 05/27/2024] [Accepted: 05/29/2024] [Indexed: 06/07/2024] Open
Abstract
Methamphetamine use disorder (MUD) is a chronic, relapsing disease that is characterized by repeated drug use despite negative consequences and for which there are currently no FDA-approved cessation therapeutics. Repeated methamphetamine (METH) use induces long-term gene expression changes in brain regions associated with reward processing and drug-seeking behavior, and recent evidence suggests that methamphetamine-induced neuroinflammation may also shape behavioral and molecular responses to the drug. Microglia, the resident immune cells in the brain, are principal drivers of neuroinflammatory responses and contribute to the pathophysiology of substance use disorders. Here, we investigated transcriptional and morphological changes in dorsal striatal microglia in response to methamphetamine-taking and during methamphetamine abstinence, as well as their functional contribution to drug-taking behavior. We show that methamphetamine self-administration induces transcriptional changes associated with protein folding, mRNA processing, immune signaling, and neurotransmission in dorsal striatal microglia. Importantly, many of these transcriptional changes persist through abstinence, a finding supported by morphological analyses. Functionally, we report that microglial ablation increases methamphetamine-taking, possibly involving neuroimmune and neurotransmitter regulation. In contrast, microglial depletion during abstinence does not alter methamphetamine-seeking. Taken together, these results suggest that methamphetamine induces both short and long-term changes in dorsal striatal microglia that contribute to altered drug-taking behavior and may provide valuable insights into the pathophysiology of MUD.
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Affiliation(s)
- Samara J Vilca
- Department of Psychiatry & Behavioral Sciences, University of Miami Miller School of Medicine, Miami, FL 33136, United States; Center for Therapeutic Innovation, University of Miami Miller School of Medicine, Miami, FL 33136, United States
| | - Alexander V Margetts
- Department of Psychiatry & Behavioral Sciences, University of Miami Miller School of Medicine, Miami, FL 33136, United States; Center for Therapeutic Innovation, University of Miami Miller School of Medicine, Miami, FL 33136, United States; Sylvester Comprehensive Cancer Center, University of Miami Miller School of Medicine, Miami, FL 33136, United States
| | - Leon Höglund
- Department of Psychiatry & Behavioral Sciences, University of Miami Miller School of Medicine, Miami, FL 33136, United States; Center for Therapeutic Innovation, University of Miami Miller School of Medicine, Miami, FL 33136, United States
| | - Isabella Fleites
- Department of Psychiatry & Behavioral Sciences, University of Miami Miller School of Medicine, Miami, FL 33136, United States; Center for Therapeutic Innovation, University of Miami Miller School of Medicine, Miami, FL 33136, United States; Sylvester Comprehensive Cancer Center, University of Miami Miller School of Medicine, Miami, FL 33136, United States
| | - Lauren L Bystrom
- Department of Psychiatry & Behavioral Sciences, University of Miami Miller School of Medicine, Miami, FL 33136, United States; Center for Therapeutic Innovation, University of Miami Miller School of Medicine, Miami, FL 33136, United States
| | - Tate A Pollock
- Department of Psychiatry & Behavioral Sciences, University of Miami Miller School of Medicine, Miami, FL 33136, United States; Center for Therapeutic Innovation, University of Miami Miller School of Medicine, Miami, FL 33136, United States
| | - Florence Bourgain-Guglielmetti
- Department of Psychiatry & Behavioral Sciences, University of Miami Miller School of Medicine, Miami, FL 33136, United States; Center for Therapeutic Innovation, University of Miami Miller School of Medicine, Miami, FL 33136, United States
| | - Claes Wahlestedt
- Department of Psychiatry & Behavioral Sciences, University of Miami Miller School of Medicine, Miami, FL 33136, United States; Center for Therapeutic Innovation, University of Miami Miller School of Medicine, Miami, FL 33136, United States; Sylvester Comprehensive Cancer Center, University of Miami Miller School of Medicine, Miami, FL 33136, United States
| | - Luis M Tuesta
- Department of Psychiatry & Behavioral Sciences, University of Miami Miller School of Medicine, Miami, FL 33136, United States; Center for Therapeutic Innovation, University of Miami Miller School of Medicine, Miami, FL 33136, United States; Sylvester Comprehensive Cancer Center, University of Miami Miller School of Medicine, Miami, FL 33136, United States.
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7
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Guldner S, Prignitz M, Nees F. Mindfulness facets are differentially related with reward processing stages in striatum and alcohol use in adolescence. Prog Neuropsychopharmacol Biol Psychiatry 2024:111113. [PMID: 39094927 DOI: 10.1016/j.pnpbp.2024.111113] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/08/2023] [Revised: 07/22/2024] [Accepted: 07/30/2024] [Indexed: 08/04/2024]
Abstract
Attenuated functional processing of non-drug rewards in striatal regions is an important mechanism in the transition from normal to hazardous alcohol use. Recent interventions seek to enhance nondrug reward processing through mindfulness, a mechanism that targets attention regulation and self-regulatory processes. It is yet unclear which specific aspects of mindfulness and which stages of reward processing are relevant preventive targets, particularly in adolescence, where alcohol use is often initiated and reward relating processing streams undergo continuous maturation. Fifty-four 14- and 16-year-old adolescents (54% female) completed the monetary incentive delay task (MID) during event-related functional magnetic resonance imaging. Alcohol use and dispositional mindfulness facets were measured using self-report instruments. Mindful Attention Regulation was positively associated with anticipatory reward processing in ventral striatum, whereas feedback-related processing in dorsal striatum was associated with the mindfulness facet Body-Listening. Only Attention Regulation was additionally associated with frequency of alcohol consumption and mediated the relationship between functional activation in ventral striatum during reward anticipation and alcohol use. Attention Regulation, beyond other mindfulness facets, might contribute to potentially triggering neural mechanisms of anticipatory, but not feedback-related reward processing and alcohol use, presenting a potential target for preventive efforts in combating transitions to substance-related disorders in adolescents.
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Affiliation(s)
- Stella Guldner
- Institute of Child and Adolescent Psychiatry and Psychotherapy, Central Institute of Mental Health, Medical Faculty Mannheim, University of Heidelberg, Mannheim, Germany.
| | - Maren Prignitz
- Institute of Cognitive and Clinical Neuroscience, Central Institute of Mental Health, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - Frauke Nees
- Institute of Child and Adolescent Psychiatry and Psychotherapy, Central Institute of Mental Health, Medical Faculty Mannheim, University of Heidelberg, Mannheim, Germany; Institute of Medical Psychology and Medical Sociology, University Medical Center Schleswig Holstein, Kiel University, Kiel, Germany
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8
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Badioli M, Degni LAE, Dalbagno D, Danti C, Starita F, di Pellegrino G, Benassi M, Garofalo S. Unraveling the influence of Pavlovian cues on decision-making: A pre-registered meta-analysis on Pavlovian-to-instrumental transfer. Neurosci Biobehav Rev 2024; 164:105829. [PMID: 39074674 DOI: 10.1016/j.neubiorev.2024.105829] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2024] [Revised: 07/15/2024] [Accepted: 07/24/2024] [Indexed: 07/31/2024]
Abstract
Amidst the replicability crisis, promoting transparency and rigor in research becomes imperative. The Pavlovian-to-Instrumental Transfer (PIT) paradigm is increasingly used in human studies to offer insights into how Pavlovian cues, by anticipating rewards or punishments, influence decision-making and potentially contribute to the development of clinical conditions. However, research on this topic faces challenges, including methodological variability and the need for standardized approaches, which can undermine the quality and robustness of experimental findings. Hence, we conducted a meta-analysis to unravel the methodological, task-related, individual, training, and learning factors that can modulate PIT. By scrutinizing these factors, the present meta-analysis reviews the current literature on human PIT, provides practical guidelines for future research to enhance study outcomes and refine methodologies, and identifies knowledge gaps that can serve as a direction for future studies aiming to advance the comprehension of how Pavlovian cues shape decision-making.
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Affiliation(s)
- Marco Badioli
- Department of Psychology, University of Bologna, Italy
| | | | | | - Claudio Danti
- Department of Psychology, University of Bologna, Italy
| | | | | | | | - Sara Garofalo
- Department of Psychology, University of Bologna, Italy.
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9
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Pierce-Messick ZJ, Corbit LH. Manipulations of the context-response relationship reduce the expression of response habits. Neurobiol Learn Mem 2024; 214:107962. [PMID: 39067807 DOI: 10.1016/j.nlm.2024.107962] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2024] [Revised: 07/18/2024] [Accepted: 07/23/2024] [Indexed: 07/30/2024]
Abstract
Habitual instrumental behaviour is believed to rely on stimulus-response (S-R) associations. However, the method most commonly used to identify habitual behaviour, outcome devaluation, provides only indirect evidence of S-R control. Therefore, it is important to have a better understanding of the S-R association believed to underlie habitual responding. Under free-operant conditions, the context itself likely serves as at least part of the relevant stimuli in the association, and so modifications to the predictive power of the context should alter the expression of habits. The following experiments investigated how changes to the relationship between the training context and performance of the response, either by changing the context during testing or by exposing animals to the context alone, without the response lever present, impacted behavioural control during a devaluation test. We found evidence that the training context is important for the expression of habits; testing animals in a different context than where they were trained resulted in increased goal-directed control (Experiment 1). Furthermore, context alone exposure also increased goal-directed control with animals that received context alone exposure showing stronger devaluation effects, whether the context alone exposure happened on the last day of training (Experiment 2) or throughout training (Experiment 3). These findings are consistent with prior reports that the training context is important for the expression of habits and extends these findings by using sensory-specific satiety as a means for devaluation and by using context alone exposure to alter behavioural control.
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Affiliation(s)
- Zachary J Pierce-Messick
- Department of Psychology, The University of Toronto, 100 St. George Street, Toronto, ON M5S 3G3, Canada
| | - Laura H Corbit
- Department of Psychology, The University of Toronto, 100 St. George Street, Toronto, ON M5S 3G3, Canada.
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10
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Corley C, Craig A, Sadek S, Marusich JA, Chehimi SN, White AM, Holdiness LJ, Reiner BC, Gipson CD. Enhancing translation: A need to leverage complex preclinical models of addictive drugs to accelerate substance use treatment options. Pharmacol Biochem Behav 2024:173836. [PMID: 39067531 DOI: 10.1016/j.pbb.2024.173836] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/12/2024] [Revised: 07/11/2024] [Accepted: 07/22/2024] [Indexed: 07/30/2024]
Abstract
Preclinical models of addictive drugs have been developed for decades to model aspects of the clinical experience in substance use disorders (SUDs). These include passive exposure as well as volitional intake models across addictive drugs and have been utilized to also measure withdrawal symptomatology and potential neurobehavioral mechanisms underlying relapse to drug seeking or taking. There are a number of Food and Drug Administration (FDA)-approved medications for SUDs, however, many demonstrate low clinical efficacy as well as potential sex differences, and we also note gaps in the continuum of care for certain aspects of clinical experiences in individuals who use drugs. In this review, we provide a comprehensive update on both frequently utilized and novel behavioral models of addiction with a focus on translational value to the clinical experience and highlight the need for preclinical research to follow epidemiological trends in drug use patterns to stay abreast of clinical treatment needs. We then note areas in which models could be improved to enhance the medications development pipeline through efforts to enhance translation of preclinical models. Next, we describe neuroscience efforts that can be leveraged to identify novel biological mechanisms to enhance medications development efforts for SUDs, focusing specifically on advances in brain transcriptomics approaches that can provide comprehensive screening and identification of novel targets. Together, the confluence of this review demonstrates the need for careful selection of behavioral models and methodological parameters that better approximate the clinical experience combined with cutting edge neuroscience techniques to advance the medications development pipeline for SUDs.
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Affiliation(s)
- Christa Corley
- Department of Pharmacology and Nutritional Sciences, University of Kentucky, Lexington, KY, USA
| | - Ashley Craig
- Department of Pharmacology and Nutritional Sciences, University of Kentucky, Lexington, KY, USA
| | - Safiyah Sadek
- Department of Pharmacology and Nutritional Sciences, University of Kentucky, Lexington, KY, USA
| | | | - Samar N Chehimi
- Department of Psychiatry, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Ashley M White
- Department of Pharmacology and Nutritional Sciences, University of Kentucky, Lexington, KY, USA
| | - Lexi J Holdiness
- Department of Pharmacology and Nutritional Sciences, University of Kentucky, Lexington, KY, USA
| | - Benjamin C Reiner
- Department of Psychiatry, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Cassandra D Gipson
- Department of Pharmacology and Nutritional Sciences, University of Kentucky, Lexington, KY, USA.
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11
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Engel L, Wolff AR, Blake M, Collins VL, Sinha S, Saunders BT. Dopamine neurons drive spatiotemporally heterogeneous striatal dopamine signals during learning. Curr Biol 2024; 34:3086-3101.e4. [PMID: 38925117 PMCID: PMC11279555 DOI: 10.1016/j.cub.2024.05.069] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2024] [Revised: 04/25/2024] [Accepted: 05/29/2024] [Indexed: 06/28/2024]
Abstract
Environmental cues, through Pavlovian learning, become conditioned stimuli that invigorate and guide animals toward rewards. Dopamine (DA) neurons in the ventral tegmental area (VTA) and substantia nigra (SNc) are crucial for this process, via engagement of a reciprocally connected network with their striatal targets. Critically, it remains unknown how dopamine neuron activity itself engages dopamine signals throughout the striatum, across learning. Here, we investigated how optogenetic Pavlovian cue conditioning of VTA or SNc dopamine neurons directs cue-evoked behavior and shapes subregion-specific striatal dopamine dynamics. We used a fluorescent biosensor to monitor dopamine in the nucleus accumbens (NAc) core and shell, dorsomedial striatum (DMS), and dorsolateral striatum (DLS). We demonstrate spatially heterogeneous, learning-dependent dopamine changes across striatal regions. Although VTA stimulation-evoked robust dopamine release in NAc core, shell, and DMS, predictive cues preferentially recruited dopamine release in NAc core, starting early in training, and DMS, late in training. Negative prediction error signals, reflecting a violation in the expectation of dopamine neuron activation, only emerged in the NAc core and DMS. Despite the development of vigorous movement late in training, conditioned dopamine signals did not emerge in the DLS, even during Pavlovian conditioning with SNc dopamine neuron activation, which elicited robust DLS dopamine release. Together, our studies show a broad dissociation in the fundamental prediction and reward-related information generated by VTA and SNc dopamine neuron populations and signaled by dopamine across the striatum. Further, they offer new insight into how larger-scale adaptations across the striatal network emerge during learning to coordinate behavior.
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Affiliation(s)
- Liv Engel
- Department of Neuroscience, University of Minnesota, 2001 6th St SE, Minneapolis, MN 55455, USA; Medical Discovery Team on Addiction, University of Minnesota, 2001 6th St SE, Minneapolis, MN 55455, USA
| | - Amy R Wolff
- Department of Neuroscience, University of Minnesota, 2001 6th St SE, Minneapolis, MN 55455, USA; Medical Discovery Team on Addiction, University of Minnesota, 2001 6th St SE, Minneapolis, MN 55455, USA
| | - Madelyn Blake
- Department of Neuroscience, University of Minnesota, 2001 6th St SE, Minneapolis, MN 55455, USA
| | - Val L Collins
- Department of Neuroscience, University of Minnesota, 2001 6th St SE, Minneapolis, MN 55455, USA; Medical Discovery Team on Addiction, University of Minnesota, 2001 6th St SE, Minneapolis, MN 55455, USA
| | - Sonal Sinha
- Krieger School of Arts & Sciences, Johns Hopkins University, 3400 N. Charles St, Baltimore, MD 21218, USA
| | - Benjamin T Saunders
- Department of Neuroscience, University of Minnesota, 2001 6th St SE, Minneapolis, MN 55455, USA; Medical Discovery Team on Addiction, University of Minnesota, 2001 6th St SE, Minneapolis, MN 55455, USA.
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12
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Giannone F, Ebrahimi C, Endrass T, Hansson AC, Schlagenhauf F, Sommer WH. Bad habits-good goals? Meta-analysis and translation of the habit construct to alcoholism. Transl Psychiatry 2024; 14:298. [PMID: 39030169 PMCID: PMC11271507 DOI: 10.1038/s41398-024-02965-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/08/2023] [Revised: 05/19/2024] [Accepted: 05/24/2024] [Indexed: 07/21/2024] Open
Abstract
Excessive alcohol consumption remains a global public health crisis, with millions suffering from alcohol use disorder (AUD, or simply "alcoholism"), leading to significantly reduced life expectancy. This review examines the interplay between habitual and goal-directed behaviors and the associated neurobiological changes induced by chronic alcohol exposure. Contrary to a strict habit-goal dichotomy, our meta-analysis of the published animal experiments combined with a review of human studies reveals a nuanced transition between these behavioral control systems, emphasizing the need for refined terminology to capture the probabilistic nature of decision biases in individuals with a history of chronic alcohol exposure. Furthermore, we distinguish habitual responding from compulsivity, viewing them as separate entities with diverse roles throughout the stages of the addiction cycle. By addressing species-specific differences and translational challenges in habit research, we provide insights to enhance future investigations and inform strategies for combatting AUD.
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Affiliation(s)
- F Giannone
- Institute of Psychopharmacology, Central Institute of Mental Health, Medical Faculty Mannheim, Heidelberg University, 68159, Mannheim, Germany
| | - C Ebrahimi
- Faculty of Psychology, Institute of Clinical Psychology and Psychotherapy, Technische Universität Dresden, 01062, Dresden, Germany
| | - T Endrass
- Faculty of Psychology, Institute of Clinical Psychology and Psychotherapy, Technische Universität Dresden, 01062, Dresden, Germany
| | - A C Hansson
- Institute of Psychopharmacology, Central Institute of Mental Health, Medical Faculty Mannheim, Heidelberg University, 68159, Mannheim, Germany
| | - F Schlagenhauf
- Department of Psychotherapy, Campus Charité Mitte, Charité Universitätsmedizin Berlin & St. Hedwig Hospital, 10117, Berlin, Germany
| | - W H Sommer
- Institute of Psychopharmacology, Central Institute of Mental Health, Medical Faculty Mannheim, Heidelberg University, 68159, Mannheim, Germany.
- Bethania Hospital for Psychiatry, Psychosomatics and Psychotherapy, Greifswald, Germany.
- German Center for Mental Health (DZPG), Partner Site Mannheim-Heidelberg-Ulm, 68159, Mannheim, Germany.
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13
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Sun Y, Xie A, Fang Y, Chen H, Li L, Tang J, Liao Y. Altered insular functional activity among electronic cigarettes users with nicotine dependence. Transl Psychiatry 2024; 14:293. [PMID: 39019862 PMCID: PMC11255336 DOI: 10.1038/s41398-024-03007-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/25/2023] [Revised: 06/21/2024] [Accepted: 07/03/2024] [Indexed: 07/19/2024] Open
Abstract
Electronic cigarettes (e-cigs) use, especially among youngsters, has been on the rise in recent years. However, little is known about the long-term effects of the use of e-cigs on brain functional activity. We acquired the resting-state functional magnetic resonance imaging (rs-fMRI) data from 93 e-cigs users with nicotine dependence and 103 health controls (HC). The local synchronization was analyzed via the regional homogeneity (ReHo) method at voxel-wise level. The functional connectivity (FC) between the nucleus accumbens (NAcc), the ventral tegmental area (VTA), and the insula was calculated at ROI-wise level. The support vector machining classification model based on rs-fMRI measures was used to identify e-cigs users from HC. Compared with HC, nicotine-dependent e-cigs users showed increased ReHo in the right rolandic operculum and the right insula (p < 0.05, FDR corrected). At the ROI-wise level, abnormal FCs between the NAcc, the VTA, and the insula were found in e-cigs users compared to HC (p < 0.05, FDR corrected). Correlation analysis found a significant negative correlation between ReHo in the left NAcc and duration of e-cigs use (r = -0.273, p = 0.008, FDR corrected). The following support vector machine model based on significant results of rs-fMRI successfully differentiates chronic e-cigs users from HC with an accuracy of 73.47%, an AUC of 0.781, a sensitivity of 67.74%, and a specificity of 78.64%. Dysregulated spontaneous activity and FC of addiction-related regions were found in e-cigs users with nicotine dependence, which provides crucial insights into the prevention of its initial use and intervention for quitting e-cigs.
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Affiliation(s)
- Yunkai Sun
- Department of Psychiatry, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, PR China
| | - An Xie
- Department of Radiology, The People's Hospital of Hunan Province, Changsha, Hunan, PR China
| | - Yehong Fang
- Department of Psychiatry, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, PR China
| | - Haobo Chen
- Department of Radiology, The People's Hospital of Hunan Province, Changsha, Hunan, PR China
| | - Ling Li
- Department of Psychiatry, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, PR China
| | - Jinsong Tang
- Department of Psychiatry, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, PR China
| | - Yanhui Liao
- Department of Psychiatry, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, PR China.
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14
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Crombag HS, Duka T, Stephens DN. The Continuing Challenges of Studying Parallel Behaviours in Humans and Animal Models. Curr Top Behav Neurosci 2024. [PMID: 38976140 DOI: 10.1007/7854_2024_485] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/09/2024]
Abstract
The use of animal models continues to be essential for carrying out research into clinical phenomena, including addiction. However, the complexity of the clinical condition inevitably means that even the best animal models are inadequate, and this may go some way to account for the apparent failures of discoveries from animal models, including the identification of potential novel therapies, to translate to the clinic. We argue here that it is overambitious and misguided in the first place to attempt to model complex, multifacetted human disorders such as addiction in animals, and especially in rodents, and that all too frequently "validity" of such models is limited to superficial similarities, referred to as "face validity", that reflect quite different underlying phenomena and biological processes from the clinical situation. Instead, a more profitable approach is to identify (a) well-defined intermediate human behavioural phenotypes that reflect defined, limited aspects of, or contributors to, the human clinical disorder, and (b) to develop animal models that are homologous with those discrete human behavioural phenotypes in terms of psychological processes, and underlying neurobiological mechanisms. Examples of past and continuing weaknesses and suggestions for more limited approaches that may allow better homology between the test animal and human condition are made.
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Affiliation(s)
- Hans S Crombag
- School of Psychology and Sussex Neuroscience, The University of Sussex, Brighton, UK.
| | - Theodora Duka
- School of Psychology and Sussex Neuroscience, The University of Sussex, Brighton, UK
| | - David N Stephens
- School of Psychology and Sussex Neuroscience, The University of Sussex, Brighton, UK
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15
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Favier M, Martin Garcia E, Icick R, de Almeida C, Jehl J, Desplanque M, Zimmermann J, Henrion A, Mansouri-Guilani N, Mounier C, Ribeiro S, Henderson F, Geoffroy A, Mella S, Poirel O, Bernard V, Fabre V, Li Y, Rosenmund C, Jamain S, Vorspan F, Mourot A, Duriez P, Pinhas L, Maldonado R, Pietrancosta N, Daumas S, El Mestikawy S. The human VGLUT3-pT8I mutation elicits uneven striatal DA signaling, food or drug maladaptive consumption in male mice. Nat Commun 2024; 15:5691. [PMID: 38971801 PMCID: PMC11227582 DOI: 10.1038/s41467-024-49371-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2023] [Accepted: 05/07/2024] [Indexed: 07/08/2024] Open
Abstract
Cholinergic striatal interneurons (ChIs) express the vesicular glutamate transporter 3 (VGLUT3) which allows them to regulate the striatal network with glutamate and acetylcholine (ACh). In addition, VGLUT3-dependent glutamate increases ACh vesicular stores through vesicular synergy. A missense polymorphism, VGLUT3-p.T8I, was identified in patients with substance use disorders (SUDs) and eating disorders (EDs). A mouse line was generated to understand the neurochemical and behavioral impact of the p.T8I variant. In VGLUT3T8I/T8I male mice, glutamate signaling was unchanged but vesicular synergy and ACh release were blunted. Mutant male mice exhibited a reduced DA release in the dorsomedial striatum but not in the dorsolateral striatum, facilitating habit formation and exacerbating maladaptive use of drug or food. Increasing ACh tone with donepezil reversed the self-starvation phenotype observed in VGLUT3T8I/T8I male mice. Our study suggests that unbalanced dopaminergic transmission in the dorsal striatum could be a common mechanism between SUDs and EDs.
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Affiliation(s)
- Mathieu Favier
- Douglas Mental Health University Institute, Department of Psychiatry, McGill University, Montreal, QC, H4H 1R3, Canada.
| | - Elena Martin Garcia
- Laboratory of Neuropharmacology-Neurophar, Department of Medicine and Life Sciences, Universitat Pompeu Fabra (UPF), Barcelona, Spain
- Hospital del Mar Medical Research Institute (IMIM), Barcelona, Spain
- Departament de Psicobiologia i Metodologia de les Ciències de la Salut, Universitat Autònoma de Barcelona, Cerdanyola del Vallès, 08193, Barcelona, Spain
| | - Romain Icick
- Département de Psychiatrie et de Médecine Addictologique, DMU Neurosciences, APHP.Nord, Assistance Publique - Hôpitaux de Paris (AP-HP), Paris, F-75010, France
- INSERM U1144, "Therapeutic optimization in neuropsychopharmacology", Paris, F-75006, France
- Université Paris Cité, Inserm UMR-S1144, Paris, F-75006, France
- Neurobiologie Intégrative des Systèmes Cholinergiques, Département de Neurosciences, Institut Pasteur, Paris, F-75015, France
| | - Camille de Almeida
- Sorbonne Université, INSERM, CNRS, Neuroscience Paris Seine - Institut de Biologie Paris Seine (NPS - IBPS), 75005, Paris, France
| | - Joachim Jehl
- Sorbonne Université, INSERM, CNRS, Neuroscience Paris Seine - Institut de Biologie Paris Seine (NPS - IBPS), 75005, Paris, France
- Brain Plasticity Unit, CNRS UMR 8249, ESPCI Paris, PSL Research University, 75005, Paris, France
| | - Mazarine Desplanque
- Sorbonne Université, INSERM, CNRS, Neuroscience Paris Seine - Institut de Biologie Paris Seine (NPS - IBPS), 75005, Paris, France
| | - Johannes Zimmermann
- Neurocure NWFZ, Charite Universitaetsmedizin, Institut für Neurophysiologie, Charitéplatz 1, 10117, Berlin, Germany
| | - Annabelle Henrion
- Fondation FondaMental, Créteil, France
- Université Paris Est Créteil, INSERM, IMRB, Translational Neuropsychiatry, F-94010, Créteil, France
| | - Nina Mansouri-Guilani
- Sorbonne Université, INSERM, CNRS, Neuroscience Paris Seine - Institut de Biologie Paris Seine (NPS - IBPS), 75005, Paris, France
| | - Coline Mounier
- Douglas Mental Health University Institute, Department of Psychiatry, McGill University, Montreal, QC, H4H 1R3, Canada
| | - Svethna Ribeiro
- Douglas Mental Health University Institute, Department of Psychiatry, McGill University, Montreal, QC, H4H 1R3, Canada
| | - Fiona Henderson
- Sorbonne Université, INSERM, CNRS, Neuroscience Paris Seine - Institut de Biologie Paris Seine (NPS - IBPS), 75005, Paris, France
| | - Andrea Geoffroy
- Sorbonne Université, INSERM, CNRS, Neuroscience Paris Seine - Institut de Biologie Paris Seine (NPS - IBPS), 75005, Paris, France
| | - Sebastien Mella
- Sorbonne Université, INSERM, CNRS, Neuroscience Paris Seine - Institut de Biologie Paris Seine (NPS - IBPS), 75005, Paris, France
| | - Odile Poirel
- Sorbonne Université, INSERM, CNRS, Neuroscience Paris Seine - Institut de Biologie Paris Seine (NPS - IBPS), 75005, Paris, France
| | - Véronique Bernard
- Sorbonne Université, INSERM, CNRS, Neuroscience Paris Seine - Institut de Biologie Paris Seine (NPS - IBPS), 75005, Paris, France
| | - Véronique Fabre
- Sorbonne Université, INSERM, CNRS, Neuroscience Paris Seine - Institut de Biologie Paris Seine (NPS - IBPS), 75005, Paris, France
| | - Yulong Li
- State Key Laboratory of Membrane Biology, Peking University School of Life Sciences, Beijing, China
| | - Christian Rosenmund
- Neurocure NWFZ, Charite Universitaetsmedizin, Institut für Neurophysiologie, Charitéplatz 1, 10117, Berlin, Germany
| | - Stéphane Jamain
- Fondation FondaMental, Créteil, France
- Université Paris Est Créteil, INSERM, IMRB, Translational Neuropsychiatry, F-94010, Créteil, France
| | - Florence Vorspan
- Département de Psychiatrie et de Médecine Addictologique, DMU Neurosciences, APHP.Nord, Assistance Publique - Hôpitaux de Paris (AP-HP), Paris, F-75010, France
- INSERM U1144, "Therapeutic optimization in neuropsychopharmacology", Paris, F-75006, France
- Université Paris Cité, Inserm UMR-S1144, Paris, F-75006, France
| | - Alexandre Mourot
- Sorbonne Université, INSERM, CNRS, Neuroscience Paris Seine - Institut de Biologie Paris Seine (NPS - IBPS), 75005, Paris, France
- Brain Plasticity Unit, CNRS UMR 8249, ESPCI Paris, PSL Research University, 75005, Paris, France
| | - Philibert Duriez
- GHU Paris Psychiatrie et Neurosciences (CMME, Hospital Sainte-Anne), Institute of Psychiatry and Neuroscience of Paris (INSERM UMR1266), Paris, France
| | - Leora Pinhas
- PHLIP Mental Health and Painless Medicine clinic, Toronto, Canada
| | - Rafael Maldonado
- Laboratory of Neuropharmacology-Neurophar, Department of Medicine and Life Sciences, Universitat Pompeu Fabra (UPF), Barcelona, Spain
- Hospital del Mar Medical Research Institute (IMIM), Barcelona, Spain
- Departament de Psicobiologia i Metodologia de les Ciències de la Salut, Universitat Autònoma de Barcelona, Cerdanyola del Vallès, 08193, Barcelona, Spain
| | - Nicolas Pietrancosta
- Sorbonne Université, INSERM, CNRS, Neuroscience Paris Seine - Institut de Biologie Paris Seine (NPS - IBPS), 75005, Paris, France
- Sorbonne Université, École normale supérieure, PSL University, CNRS, Laboratoire des Biomolécules, LBM, 75005, Paris, France
- LCBPT, Université Paris Descartes, Sorbonne Paris Cité, UMR 8601, CNRS, Paris, 75006, France
| | - Stéphanie Daumas
- Sorbonne Université, INSERM, CNRS, Neuroscience Paris Seine - Institut de Biologie Paris Seine (NPS - IBPS), 75005, Paris, France
| | - Salah El Mestikawy
- Douglas Mental Health University Institute, Department of Psychiatry, McGill University, Montreal, QC, H4H 1R3, Canada.
- Sorbonne Université, INSERM, CNRS, Neuroscience Paris Seine - Institut de Biologie Paris Seine (NPS - IBPS), 75005, Paris, France.
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16
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Briânis RC, Moreira FA, Iglesias LP. Cannabidiol and addiction. INTERNATIONAL REVIEW OF NEUROBIOLOGY 2024; 177:319-333. [PMID: 39029990 DOI: 10.1016/bs.irn.2024.03.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/21/2024]
Abstract
Cannabidiol (CBD) has been investigated for several therapeutic applications, having reached the clinics for the treatment of certain types of epilepsies. This chapter reviews the potential of CBD for the treatment of substance use disorders (SUD). We will present a brief introduction on SUD and current treatments. In the second part, preclinical and clinical studies with CBD are discussed, focusing on its potential therapeutic application for SUD. Next, we will consider the potential molecular mechanism of action of CBD in SUD. Finally, we will summarize the main findings and perspectives in this field. There is a lack of studies on CBD and SUD in comparison to the extensive literature investigating the use of this phytocannabinoid for other neurological and psychiatric disorders, such as epilepsy. However, the few studies available do suggest a promising role of CBD in the pharmacotherapy of SUD, particularly related to cocaine and other psychostimulant drugs.
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Affiliation(s)
- Rayssa C Briânis
- Department of Pharmacology, Institute of Biological Sciences, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil
| | - Fabrício A Moreira
- Department of Pharmacology, Institute of Biological Sciences, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil
| | - Lia P Iglesias
- Department of Pharmacology, Institute of Biological Sciences, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil.
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17
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Yang J, Wang H, Chen H, Hou H, Hu Q. The association of genetic polymorphisms within the dopaminergic system with nicotine dependence: A narrative review. Heliyon 2024; 10:e33158. [PMID: 39021905 PMCID: PMC11253068 DOI: 10.1016/j.heliyon.2024.e33158] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2023] [Revised: 06/08/2024] [Accepted: 06/14/2024] [Indexed: 07/20/2024] Open
Abstract
Nicotine, the main compound in cigarettes, leads to smoking addiction. Nicotine acts on the limbic dopamine reward loop in the midbrain by binding to nicotinic acetylcholine receptors, promoting the release of dopamine, and resulting in a rewarding effect or satisfaction. This satisfaction is essential for continued and compulsive tobacco use, and therefore dopamine plays a crucial role in nicotine dependence. Numerous studies have identified genetic polymorphisms of dopaminergic pathways which may influence susceptibility to nicotine addiction. Dopamine levels are greatly influenced by synthesis, storage, release, degradation, and reuptake-related genes, including genes encoding tyrosine hydroxylase, dopamine decarboxylase, dopamine transporter, dopamine receptor, dopamine 3-hydroxylase, catechol-O-methyltransferase, and monoamine oxidase. In this paper, we review research progress on the effects of polymorphisms in the above genes on downstream smoking behavior and nicotine dependence, to offer a theoretical basis for the elucidation of the genetic mechanism underlying nicotine dependence and future personalized treatment for smoking cessation.
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Affiliation(s)
- Jingjing Yang
- China National Tobacco Quality Supervision & Test Center, Zhengzhou, 450001, China
- Key Laboratory of Tobacco Biological Effects, Zhengzhou, 450001, China
- Beijing Life Science Academy, Beijing, 102209, China
- Key Laboratory of Tobacco Biological Effects and Biosynthesis, Beijing, 102209, China
| | - Hongjuan Wang
- China National Tobacco Quality Supervision & Test Center, Zhengzhou, 450001, China
- Key Laboratory of Tobacco Biological Effects, Zhengzhou, 450001, China
- Beijing Life Science Academy, Beijing, 102209, China
- Key Laboratory of Tobacco Biological Effects and Biosynthesis, Beijing, 102209, China
| | - Huan Chen
- China National Tobacco Quality Supervision & Test Center, Zhengzhou, 450001, China
- Key Laboratory of Tobacco Biological Effects, Zhengzhou, 450001, China
- Beijing Life Science Academy, Beijing, 102209, China
- Key Laboratory of Tobacco Biological Effects and Biosynthesis, Beijing, 102209, China
| | - Hongwei Hou
- China National Tobacco Quality Supervision & Test Center, Zhengzhou, 450001, China
- Key Laboratory of Tobacco Biological Effects, Zhengzhou, 450001, China
- Beijing Life Science Academy, Beijing, 102209, China
- Key Laboratory of Tobacco Biological Effects and Biosynthesis, Beijing, 102209, China
| | - Qingyuan Hu
- China National Tobacco Quality Supervision & Test Center, Zhengzhou, 450001, China
- Key Laboratory of Tobacco Biological Effects, Zhengzhou, 450001, China
- Beijing Life Science Academy, Beijing, 102209, China
- Key Laboratory of Tobacco Biological Effects and Biosynthesis, Beijing, 102209, China
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18
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Lavalley CA, Mehta MM, Taylor S, Chuning AE, Stewart JL, Huys QJM, Khalsa SS, Paulus MP, Smith R. Computational Mechanisms Underlying Multi-Step Planning Deficits in Methamphetamine Use Disorder. MEDRXIV : THE PREPRINT SERVER FOR HEALTH SCIENCES 2024:2024.06.27.24309581. [PMID: 38978681 PMCID: PMC11230339 DOI: 10.1101/2024.06.27.24309581] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/10/2024]
Abstract
Current theories suggest individuals with methamphetamine use disorder (iMUDs) have difficulty considering long-term outcomes in decision-making, which could contribute to risk of relapse. Aversive interoceptive states (e.g., stress, withdrawal) are also known to increase this risk. The present study analyzed computational mechanisms of planning in iMUDs, and examined the potential impact of an aversive interoceptive state induction. A group of 40 iMUDs and 49 healthy participants completed two runs of a multi-step planning task, with and without an anxiogenic breathing resistance manipulation. Computational modeling revealed that iMUDs had selective difficulty identifying the best overall plan when this required enduring negative short-term outcomes - a mechanism referred to as aversive pruning. Increases in reported craving before and after the induction also predicted greater aversive pruning in iMUDs. These results highlight a novel mechanism that could promote poor choice in recovering iMUDs and create vulnerability to relapse.
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Affiliation(s)
| | | | - Samuel Taylor
- Laureate Institute for Brain Research, Tulsa, OK, United States
| | - Anne E Chuning
- Laureate Institute for Brain Research, Tulsa, OK, United States
| | - Jennifer L Stewart
- Laureate Institute for Brain Research, Tulsa, OK, United States
- University of Tulsa, Tulsa, OK, United States
| | - Quentin J M Huys
- Wellcome Trust Centre for Neuroimaging, Institute of Neurology, University College London, London, United Kingdom
| | - Sahib S Khalsa
- Laureate Institute for Brain Research, Tulsa, OK, United States
- University of Tulsa, Tulsa, OK, United States
| | - Martin P Paulus
- Laureate Institute for Brain Research, Tulsa, OK, United States
- University of Tulsa, Tulsa, OK, United States
| | - Ryan Smith
- Laureate Institute for Brain Research, Tulsa, OK, United States
- University of Tulsa, Tulsa, OK, United States
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19
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Cinotti F, Coutureau E, Khamassi M, Marchand AR, Girard B. Regulation of reinforcement learning parameters captures long-term changes in rat behaviour. Eur J Neurosci 2024. [PMID: 38923238 DOI: 10.1111/ejn.16449] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2023] [Revised: 05/14/2024] [Accepted: 06/05/2024] [Indexed: 06/28/2024]
Abstract
In uncertain environments in which resources fluctuate continuously, animals must permanently decide whether to stabilise learning and exploit what they currently believe to be their best option, or instead explore potential alternatives and learn fast from new observations. While such a trade-off has been extensively studied in pretrained animals facing non-stationary decision-making tasks, it is yet unknown how they progressively tune it while learning the task structure during pretraining. Here, we compared the ability of different computational models to account for long-term changes in the behaviour of 24 rats while they learned to choose a rewarded lever in a three-armed bandit task across 24 days of pretraining. We found that the day-by-day evolution of rat performance and win-shift tendency revealed a progressive stabilisation of the way they regulated reinforcement learning parameters. We successfully captured these behavioural adaptations using a meta-learning model in which either the learning rate or the inverse temperature was controlled by the average reward rate.
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Affiliation(s)
- François Cinotti
- Institut des Systèmes Intelligents et de Robotique, Sorbonne Université, CNRS, Paris, France
- University of Reading, School of Psychology and Clinical Language Sciences, Whiteknights, Reading, UK
| | | | - Mehdi Khamassi
- Institut des Systèmes Intelligents et de Robotique, Sorbonne Université, CNRS, Paris, France
| | | | - Benoît Girard
- Institut des Systèmes Intelligents et de Robotique, Sorbonne Université, CNRS, Paris, France
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20
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Thibeault KC, Leonard MZ, Kondev V, Emerson SD, Bethi R, Lopez AJ, Sens JP, Nabit BP, Elam HB, Winder DG, Patel S, Kiraly DD, Grueter BA, Calipari ES. A Cocaine-Activated Ensemble Exerts Increased Control Over Behavior While Decreasing in Size. Biol Psychiatry 2024:S0006-3223(24)01388-X. [PMID: 38901723 DOI: 10.1016/j.biopsych.2024.06.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/07/2023] [Revised: 06/06/2024] [Accepted: 06/11/2024] [Indexed: 06/22/2024]
Abstract
BACKGROUND Substance use disorder is characterized by long-lasting changes in reward-related brain regions, such as the nucleus accumbens. Previous work has shown that cocaine exposure induces plasticity in broad, genetically defined cell types in the nucleus accumbens; however, in response to a stimulus, only a small percentage of neurons are transcriptionally active-termed an ensemble. Here, we identify an Arc-expressing neuronal ensemble that has a unique trajectory of recruitment and causally controls drug self-administration after repeated, but not acute, cocaine exposure. METHODS Using Arc-CreERT2 transgenic mice, we expressed transgenes in Arc+ ensembles activated by cocaine exposure (either acute [1 × 10 mg/kg intraperitoneally] or repeated [10 × 10 mg/kg intraperitoneally]). Using genetic, optical, and physiological recording and manipulation strategies, we assessed the contribution of these ensembles to behaviors associated with substance use disorder. RESULTS Repeated cocaine exposure reduced the size of the ensemble while simultaneously increasing its control over behavior. Neurons within the repeated cocaine ensemble were hyperexcitable, and their optogenetic excitation was sufficient for reinforcement. Finally, lesioning the repeated cocaine, but not the acute cocaine, ensemble blunted cocaine self-administration. Thus, repeated cocaine exposure reduced the size of the ensemble while simultaneously increasing its contributions to drug reinforcement. CONCLUSIONS We showed that repeated, but not acute, cocaine exposure induced a physiologically distinct ensemble characterized by the expression of the immediate early gene Arc, which was uniquely capable of modulating reinforcement behavior.
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Affiliation(s)
- Kimberly C Thibeault
- Vanderbilt Brain Institute, Vanderbilt University, Nashville, Tennessee; Vanderbilt Center for Addiction Research, Vanderbilt University, Nashville, Tennessee
| | - Michael Z Leonard
- Vanderbilt Center for Addiction Research, Vanderbilt University, Nashville, Tennessee; Department of Pharmacology, Vanderbilt University, Nashville, Tennessee
| | - Veronika Kondev
- Vanderbilt Brain Institute, Vanderbilt University, Nashville, Tennessee; Vanderbilt Center for Addiction Research, Vanderbilt University, Nashville, Tennessee
| | - Soren D Emerson
- Vanderbilt Brain Institute, Vanderbilt University, Nashville, Tennessee; Vanderbilt Center for Addiction Research, Vanderbilt University, Nashville, Tennessee
| | - Rishik Bethi
- Vanderbilt Brain Institute, Vanderbilt University, Nashville, Tennessee; Vanderbilt Center for Addiction Research, Vanderbilt University, Nashville, Tennessee
| | - Alberto J Lopez
- Vanderbilt Center for Addiction Research, Vanderbilt University, Nashville, Tennessee; Department of Pharmacology, Vanderbilt University, Nashville, Tennessee
| | - Jonathon P Sens
- Department of Physiology and Pharmacology, Wake Forest University School of Medicine, Winston-Salem, North Carolina
| | - Brett P Nabit
- Vanderbilt Center for Addiction Research, Vanderbilt University, Nashville, Tennessee; Department of Pharmacology, Vanderbilt University, Nashville, Tennessee
| | - Hannah B Elam
- Vanderbilt Center for Addiction Research, Vanderbilt University, Nashville, Tennessee; Department of Pharmacology, Vanderbilt University, Nashville, Tennessee
| | - Danny G Winder
- Vanderbilt Brain Institute, Vanderbilt University, Nashville, Tennessee; Vanderbilt Center for Addiction Research, Vanderbilt University, Nashville, Tennessee; Department of Pharmacology, Vanderbilt University, Nashville, Tennessee; Department of Molecular Physiology and Biophysics, Vanderbilt University, Nashville, Tennessee; Department of Psychiatry and Behavioral Sciences, Vanderbilt University Medical Center, Nashville, Tennessee; Vanderbilt JF Kennedy Center, Vanderbilt University School of Medicine, Nashville, Tennessee
| | - Sachin Patel
- Department of Psychiatry, Northwestern University, Chicago, Illinois
| | - Drew D Kiraly
- Department of Physiology and Pharmacology, Wake Forest University School of Medicine, Winston-Salem, North Carolina
| | - Brad A Grueter
- Vanderbilt Brain Institute, Vanderbilt University, Nashville, Tennessee; Vanderbilt Center for Addiction Research, Vanderbilt University, Nashville, Tennessee; Department of Pharmacology, Vanderbilt University, Nashville, Tennessee; Department of Molecular Physiology and Biophysics, Vanderbilt University, Nashville, Tennessee; Department of Psychiatry and Behavioral Sciences, Vanderbilt University Medical Center, Nashville, Tennessee; Department of Anesthesiology, Vanderbilt University School of Medicine, Nashville, Tennessee
| | - Erin S Calipari
- Vanderbilt Brain Institute, Vanderbilt University, Nashville, Tennessee; Vanderbilt Center for Addiction Research, Vanderbilt University, Nashville, Tennessee; Department of Pharmacology, Vanderbilt University, Nashville, Tennessee; Department of Molecular Physiology and Biophysics, Vanderbilt University, Nashville, Tennessee; Department of Psychiatry and Behavioral Sciences, Vanderbilt University Medical Center, Nashville, Tennessee; Vanderbilt JF Kennedy Center, Vanderbilt University School of Medicine, Nashville, Tennessee.
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21
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Singleton SP, Velidi P, Schilling L, Luppi AI, Jamison K, Parkes L, Kuceyeski A. Altered Structural Connectivity and Functional Brain Dynamics in Individuals With Heavy Alcohol Use Elucidated via Network Control Theory. BIOLOGICAL PSYCHIATRY. COGNITIVE NEUROSCIENCE AND NEUROIMAGING 2024:S2451-9022(24)00139-3. [PMID: 38839036 DOI: 10.1016/j.bpsc.2024.05.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/05/2024] [Revised: 04/03/2024] [Accepted: 05/18/2024] [Indexed: 06/07/2024]
Abstract
BACKGROUND Heavy alcohol use and its associated conditions, such as alcohol use disorder, impact millions of individuals worldwide. While our understanding of the neurobiological correlates of alcohol use has evolved substantially, we still lack models that incorporate whole-brain neuroanatomical, functional, and pharmacological information under one framework. METHODS Here, we utilized diffusion and functional magnetic resonance imaging to investigate alterations to brain dynamics in 130 individuals with a high amount of current alcohol use. We compared these alcohol-using individuals to 308 individuals with minimal use of any substances. RESULTS We found that individuals with heavy alcohol use had less dynamic and complex brain activity, and through leveraging network control theory, had increased control energy to complete transitions between activation states. Furthermore, using separately acquired positron emission tomography data, we deployed an in silico evaluation demonstrating that decreased D2 receptor levels, as found previously in individuals with alcohol use disorder, may relate to our observed findings. CONCLUSIONS This work demonstrates that whole-brain, multimodal imaging information can be combined under a network control framework to identify and evaluate neurobiological correlates and mechanisms of heavy alcohol use.
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Affiliation(s)
- S Parker Singleton
- Department of Radiology, Weill Cornell Medicine, New York University, New York, New York.
| | - Puneet Velidi
- Department of Statistics and Data Science, Cornell University, Ithaca, New York
| | - Louisa Schilling
- Department of Radiology, Weill Cornell Medicine, New York University, New York, New York
| | - Andrea I Luppi
- Montreal Neurological Institute, McGill University, Montreal, Quebec, Canada
| | - Keith Jamison
- Department of Radiology, Weill Cornell Medicine, New York University, New York, New York
| | - Linden Parkes
- Department of Psychiatry, Rutgers University, Piscataway, New Jersey
| | - Amy Kuceyeski
- Department of Radiology, Weill Cornell Medicine, New York University, New York, New York
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22
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Dejoie JM, Senia N, Konova A, Smith D, Fareri D. Common and Distinct Drug Cue Reactivity Patterns Associated with Cocaine and Heroin: An fMRI Meta-Analysis. MEDRXIV : THE PREPRINT SERVER FOR HEALTH SCIENCES 2024:2023.10.19.23297268. [PMID: 37905133 PMCID: PMC10615011 DOI: 10.1101/2023.10.19.23297268] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/02/2023]
Abstract
Substance use and substance use disorders represent ongoing major public health crises. Specifically, the use of substances such as cocaine and heroin are responsible for over 50,000 drug related deaths combined annually. We used a comparative meta-analysis procedure to contrast activation patterns associated with cocaine and heroin cue reactivity, which may reflect substance use risk for these substances. PubMed and Google Scholar were searched for studies with within-subject whole brain analyses comparing drug to neutral cues for users of cocaine and heroin published between 1995 and 2022. A total of 18 studies were included, 9 in each subgroup. Voxel-based meta-analyses were performed using seed-based d mapping with permuted subject images (SDM-PSI) for subgroup mean analyses and a contrast meta-regression comparing the two substances. Results from our mean analysis indicated that users of heroin showed more widespread activation in the nucleus accumbens, right inferior and left middle temporal gyrus, right thalamus, and right cerebellum. Cocaine use was associated with recruitment of dorsolateral prefrontal cortex during cue reactivity. Direct comparison of cue reactivity studies in heroin relative to cocaine users revealed greater activation in dopaminergic targets for users of heroin compared to users of cocaine. Differential activation patterns between substances may underlie differences in the clinical characteristics observed in users of cocaine and heroin, including seeking emotional blunting in users of heroin. More consistent research methodology is needed to provide adequate studies for stringent meta-analyses examining common and distinct neural activation patterns across substances and moderation by clinically relevant factors.
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23
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Jones BO, Paladino MS, Cruz AM, Spencer HF, Kahanek PL, Scarborough LN, Georges SF, Smith RJ. Punishment resistance for cocaine is associated with inflexible habits in rats. ADDICTION NEUROSCIENCE 2024; 11:100148. [PMID: 38859977 PMCID: PMC11164474 DOI: 10.1016/j.addicn.2024.100148] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 06/12/2024]
Abstract
Addiction is characterized by continued drug use despite negative consequences. In an animal model, a subset of rats continues to self-administer cocaine despite footshock consequences, showing punishment resistance. We sought to test the hypothesis that punishment resistance arises from failure to exert goal-directed control over habitual cocaine seeking. While habits are not inherently permanent or maladaptive, continued use of habits under conditions that should encourage goal-directed control makes them maladaptive and inflexible. We trained male and female Sprague Dawley rats on a seeking-taking chained schedule of cocaine self-administration. We then exposed them to four days of punishment testing in which footshock was delivered randomly on one-third of trials. Before and after punishment testing (four days pre-punishment and ≥ four days post-punishment), we assessed whether cocaine seeking was goal-directed or habitual using outcome devaluation via cocaine satiety. We found that punishment resistance was associated with continued use of habits, whereas punishment sensitivity was associated with increased goal-directed control. Although punishment resistance for cocaine was not predicted by habitual responding pre-punishment, it was associated with habitual responding post-punishment. In parallel studies of food self-administration, we similarly observed that punishment resistance was associated with habitual responding post-punishment but not pre-punishment in males, although it was associated with habitual responding both pre- and post-punishment in females, indicating that punishment resistance was predicted by habitual responding in food-seeking females. These findings indicate that punishment resistance is related to habits that have become inflexible and persist under conditions that should encourage a transition to goal-directed behavior.
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Affiliation(s)
- Bradley O Jones
- Institute for Neuroscience, Texas A&M University, College Station, TX, USA
| | - Morgan S Paladino
- Department of Psychological and Brain Sciences, Texas A&M University, College Station, TX, USA
| | - Adelis M Cruz
- Department of Psychological and Brain Sciences, Texas A&M University, College Station, TX, USA
| | - Haley F Spencer
- Department of Psychological and Brain Sciences, Texas A&M University, College Station, TX, USA
| | - Payton L Kahanek
- Department of Psychological and Brain Sciences, Texas A&M University, College Station, TX, USA
| | - Lauren N Scarborough
- Department of Psychological and Brain Sciences, Texas A&M University, College Station, TX, USA
| | - Sandra F Georges
- Department of Psychological and Brain Sciences, Texas A&M University, College Station, TX, USA
| | - Rachel J Smith
- Institute for Neuroscience, Texas A&M University, College Station, TX, USA
- Department of Psychological and Brain Sciences, Texas A&M University, College Station, TX, USA
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24
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Bender BN, Stringfield SJ, Torregrossa MM. Changes in dorsomedial striatum activity during expression of goal-directed vs. habit-like cue-induced cocaine seeking. ADDICTION NEUROSCIENCE 2024; 11:100149. [PMID: 38957402 PMCID: PMC11218864 DOI: 10.1016/j.addicn.2024.100149] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 07/04/2024]
Abstract
A preclinical model of cue exposure therapy, cue extinction, reduces cue-induced cocaine seeking that is goal-directed but not habit-like. Goal-directed and habitual behaviors differentially rely on the dorsomedial striatum (DMS) and dorsolateral striatum (DLS), but the effects of cue extinction on dorsal striatal responses to cue-induced drug seeking are unknown. We used fiber photometry in rats trained to self-administer cocaine paired with an audiovisual cue to examine how dorsal striatal intracellular calcium and extracellular dopamine activity differs between goal-directed and habit-like cue-induced cocaine seeking and how it is impacted by cue extinction. After minimal fixed-ratio training, rats showed enhanced DMS and DLS calcium responses to cue-reinforced compared to unreinforced lever presses. After rats were trained on goal-promoting fixed ratio schedules or habit-promoting second-order schedules of reinforcement, different patterns of dorsal striatal calcium and dopamine responses to cue-reinforced lever presses emerged. Rats trained on habit-promoting second-order schedules showed reduced DMS calcium responses and enhanced DLS dopamine responses to cue-reinforced lever presses. Cue extinction reduced calcium responses during subsequent drug seeking in the DMS, but not in the DLS. Therefore, cue extinction may reduce goal-directed behavior through its effects on the DMS, whereas habit-like behavior and the DLS are unaffected.
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Affiliation(s)
- Brooke N. Bender
- Department of Psychiatry, University of Pittsburgh, 450 Technology Drive, Pittsburgh, PA 15219, United States
- Center for Neuroscience, University of Pittsburgh, 4200 Fifth Ave, Pittsburgh, PA 15213, United States
| | - Sierra J. Stringfield
- Department of Psychiatry, University of Pittsburgh, 450 Technology Drive, Pittsburgh, PA 15219, United States
| | - Mary M. Torregrossa
- Department of Psychiatry, University of Pittsburgh, 450 Technology Drive, Pittsburgh, PA 15219, United States
- Center for Neuroscience, University of Pittsburgh, 4200 Fifth Ave, Pittsburgh, PA 15213, United States
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25
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Tian G, Bartas K, Hui M, Chen L, Vasquez JJ, Azouz G, Derdeyn P, Manville RW, Ho EL, Fang AS, Li Y, Tyler I, Setola V, Aoto J, Abbott GW, Beier KT. Molecular and circuit determinants in the globus pallidus mediating control of cocaine-induced behavioral plasticity. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.05.29.596557. [PMID: 38853899 PMCID: PMC11160764 DOI: 10.1101/2024.05.29.596557] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2024]
Abstract
The globus pallidus externus (GPe) is a central component of the basal ganglia circuit, receiving strong input from the indirect pathway and regulating a variety of functions, including locomotor output and habit formation. We recently showed that it also acts as a gatekeeper of cocaine-induced behavioral plasticity, as inhibition of parvalbumin-positive cells in the GPe (GPe PV ) prevents the development of cocaine-induced reward and sensitization. However, the molecular and circuit mechanisms underlying this function are unknown. Here we show that GPe PV cells control cocaine reward and sensitization by inhibiting GABAergic neurons in the substantia nigra pars reticulata (SNr GABA ), and ultimately, selectively modulating the activity of ventral tegmental area dopamine (VTA DA ) cells projecting to the lateral shell of the nucleus accumbens (NAcLat). A major input to GPe PV cells is the indirect pathway of the dorsomedial striatum (DMS D 2 ), which receives DAergic innervation from collaterals of VTA DA →NAcLat cells, making this a closed-loop circuit. Cocaine likely facilitates reward and sensitization not directly through actions in the GPe, but rather in the upstream DMS, where the cocaine-induced elevation of DA triggers a depression in DMS D 2 cell activity. This cocaine-induced elevation in DA levels can be blocked by inhibition of GPe PV cells, closing the loop. Interestingly, the level of GPe PV cell activity prior to cocaine administration is correlated with the extent of reward and sensitization that animals experience in response to future administration of cocaine, indicating that GPe PV cell activity is a key predictor of future behavioral responses to cocaine. Single nucleus RNA-sequencing of GPe cells indicated that genes encoding voltage-gated potassium channels KCNQ3 and KCNQ5 that control intrinsic cellular excitability are downregulated in GPe PV cells following a single cocaine exposure, contributing to the elevation in GPe PV cell excitability. Acutely activating channels containing KCNQ3 and/or KCNQ5 using the small molecule carnosic acid, a key psychoactive component of Salvia rosmarinus (rosemary) extract, reduced GPe PV cell excitability and also impaired cocaine reward, sensitization, and volitional cocaine intake, indicating its potential as a therapeutic to counteract psychostimulant use disorder. Our findings illuminate the molecular and circuit mechanisms by which the GPe orchestrates brain-wide changes in response to cocaine that are required for reward, sensitization, and self-administration behaviors.
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26
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Bornhoft KN, Prohofsky J, O'Neal TJ, Wolff AR, Saunders BT. Valence ambiguity dynamically shapes striatal dopamine heterogeneity. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.05.17.594692. [PMID: 38798567 PMCID: PMC11118546 DOI: 10.1101/2024.05.17.594692] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/29/2024]
Abstract
Adaptive decision making relies on dynamic updating of learned associations where environmental cues come to predict positive and negatively valenced stimuli, such as food or threat. Flexible cue-guided behaviors depend on a network of brain systems, including dopamine signaling in the striatum, which is critical for learning and maintenance of conditioned behaviors. Critically, it remains unclear how dopamine signaling encodes multi-valent, dynamic learning contexts, where positive and negative associations must be rapidly disambiguated. To understand this, we employed a Pavlovian discrimination paradigm, where cues predicting positive and negative outcomes were intermingled during conditioning sessions, and their meaning was serially reversed across training. We found that rats readily distinguished these cues, and updated their behavior rapidly upon valence reversal. Using fiber photometry, we recorded dopamine signaling in three major striatal subregions -,the dorsolateral striatum (DLS), the nucleus accumbens core, and the nucleus accumbens medial shell - and found heterogeneous responses to positive and negative conditioned cues and their predicted outcomes. Valence ambiguity introduced by cue reversal reshaped striatal dopamine on different timelines: nucleus accumbens core and shell signals updated more readily than those in the DLS. Together, these results suggest that striatal dopamine flexibly encodes multi-valent learning contexts, and these signals are dynamically modulated by changing contingencies to resolve ambiguity about the meaning of environmental cues.
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27
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Domi A, Cadeddu D, Lucente E, Gobbo F, Edvardsson C, Petrella M, Jerlhag E, Ericson M, Söderpalm B, Adermark L. Pre- and postsynaptic signatures in the prelimbic cortex associated with "alcohol use disorder" in the rat. Neuropsychopharmacology 2024:10.1038/s41386-024-01887-2. [PMID: 38755284 DOI: 10.1038/s41386-024-01887-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/29/2024] [Revised: 04/20/2024] [Accepted: 05/07/2024] [Indexed: 05/18/2024]
Abstract
The transition to alcohol use disorder (AUD) involves persistent neuroadaptations in executive control functions primarily regulated by the medial prefrontal cortex. However, the neurophysiological correlates to behavioral manifestations of AUD are not fully defined. The association between cortical neuroadaptations and behavioral manifestations of addiction was studied using a multi-symptomatic operant model based on the DSM-5 diagnostic criteria for AUD. This model aimed to characterize an AUD-vulnerable and AUD-resistant subpopulation of outbred male Wistar rats and was combined with electrophysiological measurements in the prelimbic cortex (PL). Mirroring clinical observations, rats exhibited individual variability in their vulnerability to develop AUD-like behavior, including motivation to seek for alcohol (crit 1), increased effort to obtain the substance (crit 2), and continued drinking despite negative consequences (crit 3). Only a small subset of rats met all the aforementioned AUD criteria (3 crit, AUD-vulnerable), while a larger fraction was considered AUD-resilient (0 crit). The development of AUD-like behavior was characterized by disruptions in glutamatergic synaptic activity, involving decreased frequency of spontaneous excitatory postsynaptic currents (sEPSCs) and heightened intrinsic excitability in layers 2/3 PL pyramidal neurons. These alterations were concomitant with a significant impairment in the ability of mGlu2/3 receptors to negatively regulate glutamate release in the PL but not in downstream regions like the basolateral amygdala or nucleus accumbens core. In conclusion alterations in PL synaptic activity were strongly associated with individual addiction scores, indicating their role as potential markers of the behavioral manifestations linked to AUD psychopathology.
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Affiliation(s)
- Ana Domi
- Institute of Neuroscience and Physiology, Department of Pharmacology, The Sahlgrenska Academy, University of Gothenburg, Gothenburg, 413 90, Sweden.
- Addiction Biology Unit, Department of Psychiatry and Neurochemistry, Institute of Neuroscience and Physiology, The Sahlgrenska Academy, University of Gothenburg, Gothenburg, 413 45, Sweden.
| | - Davide Cadeddu
- Institute of Neuroscience and Physiology, Department of Pharmacology, The Sahlgrenska Academy, University of Gothenburg, Gothenburg, 413 90, Sweden
| | - Erika Lucente
- Institute of Neuroscience and Physiology, Department of Pharmacology, The Sahlgrenska Academy, University of Gothenburg, Gothenburg, 413 90, Sweden
| | - Francesco Gobbo
- Centre for Discovery Brain Sciences, University of Edinburgh, Edinburgh, EH8 9JZ, UK
| | - Christian Edvardsson
- Institute of Neuroscience and Physiology, Department of Pharmacology, The Sahlgrenska Academy, University of Gothenburg, Gothenburg, 413 90, Sweden
| | - Michele Petrella
- Linköping University, Department of Biomedical and Clinical Sciences, Center for Social and Affective Neuroscience. Linköping University, Faculty of Medicine and Health Sciences, Linköping, Sweden
| | - Elisabet Jerlhag
- Institute of Neuroscience and Physiology, Department of Pharmacology, The Sahlgrenska Academy, University of Gothenburg, Gothenburg, 413 90, Sweden
| | - Mia Ericson
- Institute of Neuroscience and Physiology, Department of Pharmacology, The Sahlgrenska Academy, University of Gothenburg, Gothenburg, 413 90, Sweden
- Addiction Biology Unit, Department of Psychiatry and Neurochemistry, Institute of Neuroscience and Physiology, The Sahlgrenska Academy, University of Gothenburg, Gothenburg, 413 45, Sweden
| | - Bo Söderpalm
- Addiction Biology Unit, Department of Psychiatry and Neurochemistry, Institute of Neuroscience and Physiology, The Sahlgrenska Academy, University of Gothenburg, Gothenburg, 413 45, Sweden
- The Clinic for Addiction and Dependency, Sahlgrenska University Hospital, Gothenburg, Sweden
| | - Louise Adermark
- Institute of Neuroscience and Physiology, Department of Pharmacology, The Sahlgrenska Academy, University of Gothenburg, Gothenburg, 413 90, Sweden
- Addiction Biology Unit, Department of Psychiatry and Neurochemistry, Institute of Neuroscience and Physiology, The Sahlgrenska Academy, University of Gothenburg, Gothenburg, 413 45, Sweden
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28
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Radoman M, Fogelman N, Lacadie C, Seo D, Sinha R. Neural Correlates of Stress and Alcohol Cue-Induced Alcohol Craving and of Future Heavy Drinking: Evidence of Sex Differences. Am J Psychiatry 2024; 181:412-422. [PMID: 38706332 PMCID: PMC11117176 DOI: 10.1176/appi.ajp.20230849] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 05/07/2024]
Abstract
OBJECTIVE Stress and alcohol cue reactivity are associated with poor treatment outcomes in alcohol use disorder (AUD), but sex-specific neural correlates of stress and alcohol cue-induced craving compared with neutral cue-induced craving and of heavy drinking outcomes in AUD have not been examined. Thus, this study prospectively examined these associations and assessed sex differences. METHODS Treatment-seeking adults with AUD (N=77; 46 men and 31 women) completed a functional MRI task involving stress, alcohol, and neutral cue exposure with repeated assessments of alcohol craving. Most of these participants (N=72; 43 men and 29 women) then participated in an 8-week standardized behavioral AUD treatment program, during which the percentage of heavy drinking days was assessed. RESULTS Significant increases in both stress and alcohol cue-induced craving relative to neutral cue-induced craving were observed, with a greater alcohol-neutral contrast in craving relative to the stress-neutral contrast among men and equivalent stress-neutral and alcohol-neutral contrasts in craving among women. Whole-brain voxel-based regression analyses showed craving-associated hyperactivation in the neutral condition, but hypoactive prefrontal (ventromedial and lateral prefrontal, supplementary motor, and anterior cingulate regions) and striatal responses during exposure to stressful images (stress-neutral contrast) and alcohol cues (alcohol-neutral contrast), with significant sex differences. Additionally, a higher percentage of heavy drinking days was associated with hypoactivation of the subgenual anterior cingulate cortex and the bed nucleus of the stria terminalis in the stress-neutral contrast among women, hyperactivation of the hypothalamus in the stress-neutral contrast among men, and hyperactivation of the hippocampus in the alcohol-neutral contrast among men. CONCLUSIONS Sex differences in stress- and alcohol cue-induced responses in the cortico-striatal-limbic network related to subjective alcohol craving and to heavy drinking indicated that distinct brain circuits underlie alcohol use outcomes in women and men. These findings underscore the need for sex-specific therapeutics to address this neural dysfunction effectively.
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Affiliation(s)
- Milena Radoman
- Yale Stress Center, Department of Psychiatry, Yale University School of Medicine, Yale Stress Center, 2 Church Street South, New Haven, CT 06519, USA
| | - Nia Fogelman
- Yale Stress Center, Department of Psychiatry, Yale University School of Medicine, Yale Stress Center, 2 Church Street South, New Haven, CT 06519, USA
| | - Cheryl Lacadie
- Department of Radiology and Biomedical Imaging, Yale University School of Medicine, 800 Howard Avenue, New Haven, CT 06519, USA
| | - Dongju Seo
- Yale Stress Center, Department of Psychiatry, Yale University School of Medicine, Yale Stress Center, 2 Church Street South, New Haven, CT 06519, USA
| | - Rajita Sinha
- Yale Stress Center, Department of Psychiatry, Yale University School of Medicine, Yale Stress Center, 2 Church Street South, New Haven, CT 06519, USA
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29
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Robbins TW, Banca P, Belin D. From compulsivity to compulsion: the neural basis of compulsive disorders. Nat Rev Neurosci 2024; 25:313-333. [PMID: 38594324 DOI: 10.1038/s41583-024-00807-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/04/2024] [Indexed: 04/11/2024]
Abstract
Compulsive behaviour, an apparently irrational perseveration in often maladaptive acts, is a potential transdiagnostic symptom of several neuropsychiatric disorders, including obsessive-compulsive disorder and addiction, and may reflect the severe manifestation of a dimensional trait termed compulsivity. In this Review, we examine the psychological basis of compulsions and compulsivity and their underlying neural circuitry using evidence from human neuroimaging and animal models. Several main elements of this circuitry are identified, focused on fronto-striatal systems implicated in goal-directed behaviour and habits. These systems include the orbitofrontal, prefrontal, anterior cingulate and insular cortices and their connections with the basal ganglia as well as sensoriomotor and parietal cortices and cerebellum. We also consider the implications for future classification of impulsive-compulsive disorders and their treatment.
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Affiliation(s)
- Trevor W Robbins
- Behavioural and Clinical Neuroscience Institute, Department of Psychology, University of Cambridge, Cambridge, UK.
| | - Paula Banca
- Behavioural and Clinical Neuroscience Institute, Department of Psychology, University of Cambridge, Cambridge, UK
| | - David Belin
- Behavioural and Clinical Neuroscience Institute, Department of Psychology, University of Cambridge, Cambridge, UK
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30
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Hynes T, Fouyssac M, Puaud M, Joshi D, Chernoff C, Stiebahl S, Michaud L, Belin D. Pan-striatal reduction in the expression of the astrocytic dopamine transporter precedes the development of dorsolateral striatum dopamine-dependent incentive heroin seeking habits. Eur J Neurosci 2024; 59:2502-2521. [PMID: 38650303 DOI: 10.1111/ejn.16354] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2023] [Revised: 03/28/2024] [Accepted: 03/31/2024] [Indexed: 04/25/2024]
Abstract
The emergence of compulsive drug-seeking habits, a hallmark feature of substance use disorder, has been shown to be predicated on the engagement of dorsolateral striatal control over behaviour. This process involves the dopamine-dependent functional coupling of the anterior dorsolateral striatum (aDLS) with the nucleus accumbens core, but the mechanisms by which this coupling occurs have not been fully elucidated. The striatum is tiled by a syncytium of astrocytes that express the dopamine transporter (DAT), the level of which is altered in individuals with heroin use disorder. Astrocytes are therefore uniquely placed functionally to bridge dopamine-dependent mechanisms across the striatum. Here we tested the hypothesis that exposure to heroin influences the expression of DAT in striatal astrocytes across the striatum before the development of DLS-dependent incentive heroin seeking habits. Using Western-blot, qPCR, and RNAscope™, we measured DAT protein and mRNA levels in whole tissue, culture and in situ astrocytes from striatal territories of rats with a well-established cue-controlled heroin seeking habit and rats trained to respond for heroin or food under continuous reinforcement. Incentive heroin seeking habits were associated with a reduction in DAT protein levels in the anterior aDLS that was preceded by a heroin-induced reduction in DAT mRNA and protein in astrocytes across the striatum. Striatal astrocytes were also shown to be susceptible to direct dopamine- and opioid-induced downregulation of DAT expression. These results suggest that astrocytes may critically regulate the striatal dopaminergic adaptations that lead to the development of incentive heroin seeking habits.
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Affiliation(s)
- Tristan Hynes
- Department of Psychology, University of Cambridge, Cambridge, UK
| | - Maxime Fouyssac
- Department of Psychology, University of Cambridge, Cambridge, UK
| | - Mickaël Puaud
- Department of Psychology, University of Cambridge, Cambridge, UK
| | - Dhaval Joshi
- Department of Psychology, University of Cambridge, Cambridge, UK
| | - Chloe Chernoff
- Department of Psychology, University of Cambridge, Cambridge, UK
| | - Sonja Stiebahl
- Department of Psychology, University of Cambridge, Cambridge, UK
| | - Lola Michaud
- Department of Psychology, University of Cambridge, Cambridge, UK
| | - David Belin
- Department of Psychology, University of Cambridge, Cambridge, UK
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31
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Halbout B, Hutson C, Agrawal S, Springs ZA, Ostlund SB. Differential effects of acute and prolonged morphine withdrawal on motivational and goal-directed control over reward-seeking behaviour. Addict Biol 2024; 29:e13393. [PMID: 38706098 PMCID: PMC11070494 DOI: 10.1111/adb.13393] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2023] [Revised: 01/18/2024] [Accepted: 03/14/2024] [Indexed: 05/07/2024]
Abstract
Opioid addiction is a relapsing disorder marked by uncontrolled drug use and reduced interest in normally rewarding activities. The current study investigated the impact of spontaneous withdrawal from chronic morphine exposure on emotional, motivational and cognitive processes involved in regulating the pursuit and consumption of food rewards in male rats. In Experiment 1, rats experiencing acute morphine withdrawal lost weight and displayed somatic signs of drug dependence. However, hedonically driven sucrose consumption was significantly elevated, suggesting intact and potentially heightened reward processing. In Experiment 2, rats undergoing acute morphine withdrawal displayed reduced motivation when performing an effortful response for palatable food reward. Subsequent reward devaluation testing revealed that acute withdrawal disrupted their ability to exert flexible goal-directed control over reward seeking. Specifically, morphine-withdrawn rats were impaired in using current reward value to select actions both when relying on prior action-outcome learning and when given direct feedback about the consequences of their actions. In Experiment 3, rats tested after prolonged morphine withdrawal displayed heightened rather than diminished motivation for food rewards and retained their ability to engage in flexible goal-directed action selection. However, brief re-exposure to morphine was sufficient to impair motivation and disrupt goal-directed action selection, though in this case, rats were only impaired in using reward value to select actions in the presence of morphine-paired context cues and in the absence of response-contingent feedback. We suggest that these opioid-withdrawal induced deficits in motivation and goal-directed control may contribute to addiction by interfering with the pursuit of adaptive alternatives to drug use.
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Affiliation(s)
- Briac Halbout
- Department of Anesthesiology and Perioperative Care, School of MedicineUniversity of California, IrvineIrvineCaliforniaUSA
| | - Collin Hutson
- Department of Anesthesiology and Perioperative Care, School of MedicineUniversity of California, IrvineIrvineCaliforniaUSA
| | - Stuti Agrawal
- Department of Anesthesiology and Perioperative Care, School of MedicineUniversity of California, IrvineIrvineCaliforniaUSA
| | - Zachary A. Springs
- Department of Anesthesiology and Perioperative Care, School of MedicineUniversity of California, IrvineIrvineCaliforniaUSA
| | - Sean B. Ostlund
- Department of Anesthesiology and Perioperative Care, School of MedicineUniversity of California, IrvineIrvineCaliforniaUSA
- Department of Neurobiology and Behavior, School of Biological SciencesUniversity of California, IrvineIrvineCaliforniaUSA
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Heinz A, Gutwinski S, Bahr NS, Spanagel R, Di Chiara G. Does compulsion explain addiction? Addict Biol 2024; 29:e13379. [PMID: 38588458 PMCID: PMC11001268 DOI: 10.1111/adb.13379] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2023] [Accepted: 01/18/2024] [Indexed: 04/10/2024]
Abstract
One of the leading drug addiction theories states that habits and the underlying neural process of a ventral to dorsal striatal shift are the building blocks of compulsive drug-seeking behaviour and that compulsion is the maladaptive persistence of responding despite adverse consequences. Here we discuss that compulsive behaviour as defined primarily from the perspective of animal experimentation falls short of the clinical phenomena and their neurobiological correlates. Thus for the human condition, the concept of compulsive habbits should be critically addressed and potentially revised.
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Affiliation(s)
- Andreas Heinz
- Department of Psychiatry and Neuroscience|CCM, NeuroCure Clinical Research Center, Berlin Institute of Health CCM, Charité‐Universitätsmedizin Berlin, Freie Universität BerlinHumboldt‐Universität zu BerlinBerlinGermany
- German Center for Mental Health (DZPG)Berlin‐Potsdam
| | - Stefan Gutwinski
- Department of Psychiatry and Neuroscience|CCM, NeuroCure Clinical Research Center, Berlin Institute of Health CCM, Charité‐Universitätsmedizin Berlin, Freie Universität BerlinHumboldt‐Universität zu BerlinBerlinGermany
| | - Nadja Samia Bahr
- Department of Psychiatry and Neuroscience|CCM, NeuroCure Clinical Research Center, Berlin Institute of Health CCM, Charité‐Universitätsmedizin Berlin, Freie Universität BerlinHumboldt‐Universität zu BerlinBerlinGermany
- German Center for Mental Health (DZPG)Berlin‐Potsdam
| | - Rainer Spanagel
- Institute for Psychopharmacology, Medical Faculty Mannheim, Central Institute of Mental Health (CIMH)Heidelberg UniversityMannheimGermany
| | - Gaetano Di Chiara
- Department of Biomedical Sciences, University of CagliariCittadella Universitaria di MonserratoCagliariItaly
- Neuroscience InstituteNational Research Council of Italy (CNR)CagliariItaly
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33
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McGraw JJ, Goldsmith RS, Cromwell HC. Altered reward sensitivity to sucrose outcomes prior to drug exposure in alcohol preferring rats. Pharmacol Biochem Behav 2024; 237:173724. [PMID: 38340990 DOI: 10.1016/j.pbb.2024.173724] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Revised: 01/19/2024] [Accepted: 02/05/2024] [Indexed: 02/12/2024]
Abstract
Addiction involves key impairments in reward sensitivity (RS). The current study explored impaired RS to natural reward as a predisposing factor to addictive-like behavior. Alcohol preferring (P) rats are selectively bred based on significantly greater ethanol consumption and preference and offer the ability to inspect differences in subjects with a positive family history of addictive-like behavior. P rat's RS was compared to RS in the well-used Sprague-Dawley (SD) strain. To assess RS in a novel manner, instrumental incentive contrast, discrimination and consumption of sucrose solution were examined. Animals performed in a free operant situation for different sucrose concentration solutions using a block of 'mixed' trials with alternating outcome concentrations (e.g., 5 and 10 % sucrose) to change outcome value in a predictable manner. Animals also performed for reward in blocks of single outcome trials (5 or 10 or 20 or 40 % sucrose daily exposure) surrounding the mixed block. RS (e.g., reward discrimination and contrast effects between and within-sessions) was measured by changes in trials completed, instrumental response latency and consumption. P rats expressed an altered profile of RS with a greater tendency toward equivalent responding to different outcomes within the same session and an absence of incentive contrast from diverse reward comparisons. In contrast, SD animals expressed within-session reward discrimination and a subset of incentive contrast effects. These effects were moderated by food deprivation more consistently in SD compared to P rats. P rat alterations in processing natural rewards could predispose them to addictive-like behaviors including greater alcohol consumption and preference.
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Affiliation(s)
- Justin J McGraw
- Department of Psychology and John Paul Scott Center for Neuroscience, Mind and Behavior, Bowling Green State University, Bowling Green, OH 43403, United States of America
| | - Robert S Goldsmith
- Department of Psychology and John Paul Scott Center for Neuroscience, Mind and Behavior, Bowling Green State University, Bowling Green, OH 43403, United States of America
| | - Howard C Cromwell
- Department of Psychology and John Paul Scott Center for Neuroscience, Mind and Behavior, Bowling Green State University, Bowling Green, OH 43403, United States of America.
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Engel L, Wolff AR, Blake M, Collins VL, Sinha S, Saunders BT. Dopamine neurons drive spatiotemporally heterogeneous striatal dopamine signals during learning. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2023.07.01.547331. [PMID: 38585717 PMCID: PMC10996462 DOI: 10.1101/2023.07.01.547331] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/09/2024]
Abstract
Environmental cues, through Pavlovian learning, become conditioned stimuli that invigorate and guide animals toward acquisition of rewards. Dopamine neurons in the ventral tegmental area (VTA) and substantia nigra (SNC) are crucial for this process. Dopamine neurons are embedded in a reciprocally connected network with their striatal targets, the functional organization of which remains poorly understood. Here, we investigated how learning during optogenetic Pavlovian cue conditioning of VTA or SNC dopamine neurons directs cue-evoked behavior and shapes subregion-specific striatal dopamine dynamics. We used a fluorescent dopamine biosensor to monitor dopamine in the nucleus accumbens (NAc) core and shell, dorsomedial striatum (DMS), and dorsolateral striatum (DLS). We demonstrate spatially heterogeneous, learning-dependent dopamine changes across striatal regions. While VTA stimulation evoked robust dopamine release in NAc core, shell, and DMS, cues predictive of this activation preferentially recruited dopamine release in NAc core, starting early in training, and DMS, late in training. Corresponding negative prediction error signals, reflecting a violation in the expectation of dopamine neuron activation, only emerged in the NAc core and DMS, and not the shell. Despite development of vigorous movement late in training, conditioned dopamine signals did not similarly emerge in the DLS, even during Pavlovian conditioning with SNC dopamine neuron activation, which elicited robust DLS dopamine release. Together, our studies show broad dissociation in the fundamental prediction and reward-related information generated by different dopamine neuron populations and signaled by dopamine across the striatum. Further, they offer new insight into how larger-scale plasticity across the striatal network emerges during Pavlovian learning to coordinate behavior.
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Affiliation(s)
- Liv Engel
- Department of Neuroscience, University of Minnesota
- Medical Discovery Team on Addiction, University of Minnesota
- Current Address: Department of Psychology, University of Toronto
| | - Amy R Wolff
- Department of Neuroscience, University of Minnesota
- Medical Discovery Team on Addiction, University of Minnesota
| | - Madelyn Blake
- Department of Neuroscience, University of Minnesota
- Medical Discovery Team on Addiction, University of Minnesota
| | - Val L Collins
- Department of Neuroscience, University of Minnesota
- Medical Discovery Team on Addiction, University of Minnesota
| | | | - Benjamin T Saunders
- Department of Neuroscience, University of Minnesota
- Medical Discovery Team on Addiction, University of Minnesota
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Solinas M, Lardeux V, Leblanc PM, Longueville JE, Thiriet N, Vandaele Y, Panlilio LV, Jaafari N. Delay of punishment highlights differential vulnerability to developing addiction-like behavior toward sweet food. Transl Psychiatry 2024; 14:155. [PMID: 38509086 PMCID: PMC10954751 DOI: 10.1038/s41398-024-02863-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/09/2023] [Revised: 03/06/2024] [Accepted: 03/07/2024] [Indexed: 03/22/2024] Open
Abstract
Resistance to punishment is commonly used to measure the difficulty in refraining from rewarding activities when negative consequences ensue, which is a hallmark of addictive behavior. We recently developed a progressive shock strength (PSS) procedure in which individual rats can titrate the amount of punishment that they are willing to tolerate to obtain food rewards. Here, we investigated the effects of a range of delays (0-12 s) on resistance to punishment measured by PSS break points. As expected from delay discounting principles, we found that delayed shock was less effective as a punisher, as revealed by higher PSS breakpoints. However, this discounting effect was not equally distributed in the population of rats, and the introduction of a delay highlighted the existence of two populations: rats that were sensitive to immediate punishment were also sensitive to delayed shock, whereas rats that were resistant to immediate punishment showed strong temporal discounting of delayed punishment. Importantly, shock-sensitive rats suppressed responding even in subsequent non-punishment sessions, and they differed from shock-resistant rats in anxiety-like behavior, but not in sensitivity to pain. These results show that manipulation of temporal contingencies of punishment in the PSS procedure provides a valuable tool to identify individuals with a double vulnerability to addiction: low sensitivity to aversion and excessive discounting of negative future consequences. Conversely, the shock-sensitive population may provide a model of humans who are vulnerable to opportunity loss due to excessive anxiety.
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Affiliation(s)
- Marcello Solinas
- Université de Poitiers, INSERM, U1084, Laboratoire de Neurosciences Expérimentales et Cliniques, Poitiers, France.
- Unité de Recherche Clinique Intersectorielle en Psychiatrie, Centre Hospitalier Henri-Laborit, Poitiers, France.
| | - Virginie Lardeux
- Université de Poitiers, INSERM, U1084, Laboratoire de Neurosciences Expérimentales et Cliniques, Poitiers, France
| | - Pierre-Marie Leblanc
- Unité de Recherche Clinique Intersectorielle en Psychiatrie, Centre Hospitalier Henri-Laborit, Poitiers, France
| | - Jean-Emmanuel Longueville
- Université de Poitiers, INSERM, U1084, Laboratoire de Neurosciences Expérimentales et Cliniques, Poitiers, France
| | - Nathalie Thiriet
- Université de Poitiers, INSERM, U1084, Laboratoire de Neurosciences Expérimentales et Cliniques, Poitiers, France
| | - Youna Vandaele
- Université de Poitiers, INSERM, U1084, Laboratoire de Neurosciences Expérimentales et Cliniques, Poitiers, France
| | - Leigh V Panlilio
- Real-world Assessment, Prediction, and Treatment Unit, Translational Addiction Medicine Branch, Intramural Research Program, National Institute on Drug Abuse, Baltimore, MD, USA
| | - Nematollah Jaafari
- Unité de Recherche Clinique Intersectorielle en Psychiatrie, Centre Hospitalier Henri-Laborit, Poitiers, France
- Université de Poitiers, CNRS, UMR 7295, Centre de Recherche sur la Cognition et l'apprentissage, Poitiers, France
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Grodin EN, Baskerville WA, Meredith LR, Nieto S, Ray LA. Reward, relief, and habit drinking profiles in treatment seeking individuals with an AUD. Alcohol Alcohol 2024; 59:agae032. [PMID: 38725398 PMCID: PMC11082523 DOI: 10.1093/alcalc/agae032] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2024] [Revised: 04/18/2024] [Accepted: 04/20/2024] [Indexed: 05/13/2024] Open
Abstract
AIMS This study aimed to compare reward, relief, and habit treatment-seeking individuals on recent drinking, alcohol use disorder (AUD) phenomenology, and mood. The second aim of the study was to evaluate the predictive validity of reward, relief, and habit profiles. METHOD Treatment-seeking individuals with an AUD (n = 169) were recruited to participate in a medication trial for AUD (NCT03594435). Reward, relief, and habit drinking groups were assessed using the UCLA Reward Relief Habit Drinking Scale. Group differences at baseline were evaluated using univariate analyses of variance. A subset of participants were enrolled in a 12-week, double-blind, placebo-controlled medication trial (n = 102), and provided longitudinal drinking and phenomenology data. The predictive validity of group membership was assessed using linear regression analyses. RESULTS At baseline, individuals who drink primarily for relief had higher craving and negative mood than those who drink for reward and habit. Prospectively, membership in the relief drinking group predicted greater alcohol use, greater heavy drinking, and fewer days abstinent compared to those in the reward drinking group. Membership in the relief drinking group also predicted greater alcohol craving, more alcohol-related consequences, and more anxiety symptoms over 12 weeks compared to those in the reward drinking group. CONCLUSIONS This study provides support for reward and relief drinking motive profiles in treatment-seeking individuals with an AUD. Membership in the relief drinking motive group was predictive of poorer drinking outcomes and more negative symptomology over 12 weeks, indicating that individuals who drink for relief may be a particularly vulnerable sub-population of individuals with AUD.
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Affiliation(s)
- Erica N Grodin
- Department of Psychology, University of California, Los Angeles, Los Angeles, California 90095, United States
- Department of Psychiatry and Biobehavioral Sciences, University of California, Los Angeles, Los Angeles, California 90095, United States
- Brain Research Institute, University of California, Los Angeles, Los Angeles, California 90095, United States
| | - Wave-Ananda Baskerville
- Department of Psychology, University of California, Los Angeles, Los Angeles, California 90095, United States
| | - Lindsay R Meredith
- Department of Psychology, University of California, Los Angeles, Los Angeles, California 90095, United States
| | - Steven Nieto
- Department of Psychology, University of California, Los Angeles, Los Angeles, California 90095, United States
| | - Lara A Ray
- Department of Psychology, University of California, Los Angeles, Los Angeles, California 90095, United States
- Department of Psychiatry and Biobehavioral Sciences, University of California, Los Angeles, Los Angeles, California 90095, United States
- Brain Research Institute, University of California, Los Angeles, Los Angeles, California 90095, United States
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Mashamaite CV, Phiri EE, Mandizvidza TC, Mothapo PN, Pieterse PJ, Albien AJ. Assessing a potential conflict associated with the production of Moringa oleifera in the Limpopo Province of South Africa: A systems thinking approach. Heliyon 2024; 10:e26906. [PMID: 38434263 PMCID: PMC10907789 DOI: 10.1016/j.heliyon.2024.e26906] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2023] [Revised: 01/29/2024] [Accepted: 02/21/2024] [Indexed: 03/05/2024] Open
Abstract
The increased movement of humans throughout the world allowed the transportation of several species, such as Moringa oleifera Lam. (moringa), into biomes far away from their native habitation. Native to India, moringa is a versatile, drought-tolerant, and fast-growing tree that is easily adaptable to wide-ranging tropical and sub-tropical conditions around the world. It is used in cosmetics, as food and medicine for humans, livestock feed, crop biostimulant, and green manure. Even though moringa is an alien species to South Africa, its production is increasing, and its numerous uses are recognised by communities. Moringa forms part of a highly complex (social, ecological, and economic) system. This is because it is on the Species Under Surveillance for Possible Eradication or Containment Targets (SUSPECT) list under the National Environmental Management Biodiversity Act (NEM:BA) of South Africa. Listing species that are regarded as beneficial to communities on national regulations can cause conflicts and uncertainties among various stakeholders (i.e., environmental policymakers, farmers, rural communities, and government bodies). In this paper, a systems thinking approach was applied to address complex and conflicting issues linked to the production and overall status (economic, ecological, legal, and social) of moringa in South Africa. The Causal Loop Diagram (CLD) was developed to present a broad insight into the complexity of moringa in South Africa and assist in underscoring the feedback mechanisms within the system. Moreover, the CLD indicated that the position of moringa within the country comprised a variety of interdependent variables of government policies, environment, and society, which are interconnected into a multifaceted system. The potential conflict dimensions and types associated with allocating moringa an impact category within the South African context were identified, and this may serve as a useful tool for facilitating engagements and decision-making processes among stakeholders in resolving the status of moringa in South Africa.
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Affiliation(s)
| | - Ethel Emmarantia Phiri
- Faculty of AgriSciences, Stellenbosch University, Private Bag X1, Matieland, 7602, South Africa
| | | | - Palesa Natasha Mothapo
- Division for Research Development, Stellenbosch University, Private Bag X1, Matieland, 7602, South Africa
| | - Petrus Jacobus Pieterse
- Department of Agronomy, Stellenbosch University, Private Bag X1, Matieland, 7602, South Africa
| | - Anouk Jasmine Albien
- Department of Curriculum Studies, Stellenbosch University, Private Bag X1, Matieland, 7602, South Africa
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Richard JM, Armstrong A, Newell B, Muruganandan P, Janak PH, Saunders BT. Pavlovian cue-evoked alcohol seeking is disrupted by ventral pallidal inhibition. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.03.14.585064. [PMID: 38559136 PMCID: PMC10980019 DOI: 10.1101/2024.03.14.585064] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/04/2024]
Abstract
Cues paired with alcohol can be potent drivers of craving, alcohol-seeking, consumption, and relapse. While the ventral pallidum is implicated in appetitive and consummatory responses across several reward classes and types of behaviors, its role in behavioral responses to Pavlovian alcohol cues has not previously been established. Here, we tested the impact of optogenetic inhibition of ventral pallidum on Pavlovian-conditioned alcohol-seeking in male Long Evans rats. Rats underwent Pavlovian conditioning with an auditory cue predicting alcohol delivery to a reward port and a control cue predicting no alcohol delivery, until they consistently entered the reward port more during the alcohol cue than the control cue. We then tested the within-session effects of optogenetic inhibition during 50% of cue presentations. We found that optogenetic inhibition of ventral pallidum during the alcohol cue reduced port entry likelihood and time spent in the port, and increased port entry latency. Overall, these results suggest that normal ventral pallidum activity is necessary for Pavlovian alcohol-seeking.
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Affiliation(s)
- Jocelyn M. Richard
- Department of Neuroscience, University of Minnesota, Minneapolis, MN
- Medical Discovery Team on Addiction, University of Minnesota, Minneapolis, MN
| | - Anne Armstrong
- Department of Psychological and Brain Sciences, Krieger School of Arts and Sciences Johns Hopkins University, Baltimore, MD
| | - Bailey Newell
- Department of Neuroscience, University of Minnesota, Minneapolis, MN
- Medical Discovery Team on Addiction, University of Minnesota, Minneapolis, MN
| | - Preethi Muruganandan
- Department of Neuroscience, University of Minnesota, Minneapolis, MN
- Medical Discovery Team on Addiction, University of Minnesota, Minneapolis, MN
| | - Patricia H. Janak
- Department of Psychological and Brain Sciences, Krieger School of Arts and Sciences Johns Hopkins University, Baltimore, MD
- The Solomon H. Snyder Department of Neuroscience, Johns Hopkins University, Baltimore, MD
| | - Benjamin T. Saunders
- Department of Neuroscience, University of Minnesota, Minneapolis, MN
- Medical Discovery Team on Addiction, University of Minnesota, Minneapolis, MN
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Cardullo S, Gómez Pérez LJ, Terraneo A, Gallimberti L, Mioni G. Time perception in stimulant-dependent participants undergoing repetitive transcranial magnetic stimulation. Behav Brain Res 2024; 460:114816. [PMID: 38122902 DOI: 10.1016/j.bbr.2023.114816] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2023] [Revised: 11/29/2023] [Accepted: 12/14/2023] [Indexed: 12/23/2023]
Abstract
BACKGROUND The dopaminergic (DA) system is an important neural system for the modulation of time perception and the timing of motor actions. Dysregulation of the DA system is related to chronic use of stimulant drugs, which lead, among others, to executive dysfunctions. Little is known instead about the potential deficiencies in temporal processing of stimulant-dependent individuals. The present study aimed to investigate temporal processing using a time bisection task with different temporal intervals in chronic cocaine users undergoing repetitive transcranial magnetic stimulation (rTMS). METHOD Study 1: A time bisection task with short temporal intervals range (480/1920 ms) was administered to 18 cocaine use disorder (CocUD) patients and 20 healthy control before and after the intensive phase of rTMS treatment (5 days apart). Study 2: 22 CocUD participants and 23 control participants completed two temporal tasks (time bisection and time reproduction) with long temporal intervals range (1200/2640 ms) at baseline and immediately after the intensive phase of rTMS treatment. RESULTS Study 1: A shift in the psychometric function consistent with temporal overestimation in CocUD patients compared to controls was observed. However, no temporal impairment in CocUD patients at test session was found. Study 2: The analysis of temporal variability indices showed a significant difference between groups at baseline but not at Day 5 due to a significant difference between time points only in the CocUD group. CONCLUSIONS This study report a temporal overestimation in CocUD patients and a temporal variability reduction after an rTMS protocol in CocUD patients.
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Affiliation(s)
- Stefano Cardullo
- Novella Fronda Foundation, Padua, Italy; Mental Health Centre, Department of Psychiatry -AULSS 6 Euganea, Padua, Italy
| | | | | | | | - Giovanna Mioni
- Department of General Psychology, University of Padova, Padua, Italy.
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Ahn S, Zou H, Seamans JK, Phillips AG. Differential patterns of basal and naloxone-evoked dopamine efflux in the rat dorsal and ventral striatum following prolonged-intermittent exposure to morphine. Eur J Neurosci 2024; 59:1067-1078. [PMID: 37985418 DOI: 10.1111/ejn.16192] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2023] [Revised: 10/25/2023] [Accepted: 10/27/2023] [Indexed: 11/22/2023]
Abstract
Hypodopaminergia in the ventral striatum is a putative neurobiological correlate of withdrawal in opioid-dependent individuals. This perspective stands in contrast to brain imaging studies with chronic opioid users showing that naloxone-enhanced dopamine (DA) release in the dorsal striatum is positively correlated with withdrawal aversion. Here, we examined regional differences in striatal DA function associated with opioid withdrawal in rats exposed to intermittent morphine injections for 31 days. Basal concentrations of DA were reduced (i.e., indicating a hypodopaminergic state) in the ventral striatum on Day 10 of morphine exposure, whereas a more prolonged period of morphine treatment was required to reveal hypodopaminergia in the dorsal striatum on Day 31. The ventral striatum consistently exhibited naloxone-induced transient reductions in DA below the hypodopaminergic basal levels, whereas morphine enhanced DA efflux. In the dorsal striatum, DA responsivity to naloxone shifted from a significant decrease on Day 10 to a notable increase above hypodopaminergic basal levels on Day 31, corroborating the findings in the human dorsal striatum. Unexpectedly, the magnitude of morphine-evoked increases in DA efflux on Day 31 was significantly blunted relative to values on Day 10. These findings indicate that prolonged-intermittent access to morphine results in a sustained hypodopaminergic state as reflected in basal levels in the striatum, which is accompanied by regional differences in DA responsivity to naloxone and morphine. Overall, our findings suggest that prolonging the duration of morphine exposure to 31 days is sufficient to reveal neuroadaptations that may underlie the transition from initial drug exposure to opioid dependence.
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Affiliation(s)
- Soyon Ahn
- Djavad Mowafaghian Centre for Brain Health and Department of Psychiatry, University of British Columbia, Vancouver, Canada
| | - Haiyan Zou
- Djavad Mowafaghian Centre for Brain Health and Department of Psychiatry, University of British Columbia, Vancouver, Canada
| | - Jeremy K Seamans
- Djavad Mowafaghian Centre for Brain Health and Department of Psychiatry, University of British Columbia, Vancouver, Canada
| | - Anthony G Phillips
- Djavad Mowafaghian Centre for Brain Health and Department of Psychiatry, University of British Columbia, Vancouver, Canada
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Liu X, Lu T, Chen X, Huang S, Zheng W, Zhang W, Meng S, Yan W, Shi L, Bao Y, Xue Y, Shi J, Yuan K, Han Y, Lu L. Memory consolidation drives the enhancement of remote cocaine memory via prefrontal circuit. Mol Psychiatry 2024; 29:730-741. [PMID: 38221548 DOI: 10.1038/s41380-023-02364-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/16/2023] [Revised: 11/22/2023] [Accepted: 12/01/2023] [Indexed: 01/16/2024]
Abstract
Remote memory usually decreases over time, whereas remote drug-cue associated memory exhibits enhancement, increasing the risk of relapse during abstinence. Memory system consolidation is a prerequisite for remote memory formation, but neurobiological underpinnings of the role of consolidation in the enhancement of remote drug memory are unclear. Here, we found that remote cocaine-cue associated memory was enhanced in rats that underwent self-administration training, together with a progressive increase in the response of prelimbic cortex (PrL) CaMKII neurons to cues. System consolidation was required for the enhancement of remote cocaine memory through PrL CaMKII neurons during the early period post-training. Furthermore, dendritic spine maturation in the PrL relied on the basolateral amygdala (BLA) input during the early period of consolidation, contributing to remote memory enhancement. These findings indicate that memory consolidation drives the enhancement of remote cocaine memory through a time-dependent increase in activity and maturation of PrL CaMKII neurons receiving a sustained BLA input.
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Affiliation(s)
- Xiaoxing Liu
- Peking University Sixth Hospital, Peking University Institute of Mental Health, NHC Key Laboratory of Mental Health (Peking University), National Clinical Research Center for Mental Disorders (Peking University Sixth Hospital), 100191, Beijing, China
| | - Tangsheng Lu
- National Institute on Drug Dependence and Beijing Key Laboratory of Drug Dependence Research, Peking University, 100191, Beijing, China
- Department of Neurobiology, School of Basic Medical Sciences, Peking University Health Science Center, 100191, Beijing, China
| | - Xuan Chen
- Peking University Sixth Hospital, Peking University Institute of Mental Health, NHC Key Laboratory of Mental Health (Peking University), National Clinical Research Center for Mental Disorders (Peking University Sixth Hospital), 100191, Beijing, China
- Xinxiang Medical University, Xinxiang, 453003, China
| | - Shihao Huang
- National Institute on Drug Dependence and Beijing Key Laboratory of Drug Dependence Research, Peking University, 100191, Beijing, China
- Department of Neurobiology, School of Basic Medical Sciences, Peking University Health Science Center, 100191, Beijing, China
| | - Wei Zheng
- Peking-Tsinghua Center for Life Sciences and PKU-IDG/McGovern Institute for Brain Research, Peking University, 100871, Beijing, China
| | - Wen Zhang
- National Institute on Drug Dependence and Beijing Key Laboratory of Drug Dependence Research, Peking University, 100191, Beijing, China
| | - Shiqiu Meng
- National Institute on Drug Dependence and Beijing Key Laboratory of Drug Dependence Research, Peking University, 100191, Beijing, China
| | - Wei Yan
- Peking University Sixth Hospital, Peking University Institute of Mental Health, NHC Key Laboratory of Mental Health (Peking University), National Clinical Research Center for Mental Disorders (Peking University Sixth Hospital), 100191, Beijing, China
| | - Le Shi
- Peking University Sixth Hospital, Peking University Institute of Mental Health, NHC Key Laboratory of Mental Health (Peking University), National Clinical Research Center for Mental Disorders (Peking University Sixth Hospital), 100191, Beijing, China
| | - Yanping Bao
- National Institute on Drug Dependence and Beijing Key Laboratory of Drug Dependence Research, Peking University, 100191, Beijing, China
| | - Yanxue Xue
- National Institute on Drug Dependence and Beijing Key Laboratory of Drug Dependence Research, Peking University, 100191, Beijing, China.
| | - Jie Shi
- National Institute on Drug Dependence and Beijing Key Laboratory of Drug Dependence Research, Peking University, 100191, Beijing, China
| | - Kai Yuan
- Peking University Sixth Hospital, Peking University Institute of Mental Health, NHC Key Laboratory of Mental Health (Peking University), National Clinical Research Center for Mental Disorders (Peking University Sixth Hospital), 100191, Beijing, China
| | - Ying Han
- National Institute on Drug Dependence and Beijing Key Laboratory of Drug Dependence Research, Peking University, 100191, Beijing, China.
| | - Lin Lu
- Peking University Sixth Hospital, Peking University Institute of Mental Health, NHC Key Laboratory of Mental Health (Peking University), National Clinical Research Center for Mental Disorders (Peking University Sixth Hospital), 100191, Beijing, China.
- National Institute on Drug Dependence and Beijing Key Laboratory of Drug Dependence Research, Peking University, 100191, Beijing, China.
- Peking-Tsinghua Center for Life Sciences and PKU-IDG/McGovern Institute for Brain Research, Peking University, 100871, Beijing, China.
- Research Unit of Diagnosis and Treatment of Mood Cognitive Disorder, Chinese Academy of Medical Sciences (No. 2018RU006), Dongcheng, Beijing, China.
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Sallie SN, Sonkusare S, Mandali A, Casero V, Cui H, Guzman NV, Allison M, Voon V. Cortical paired associative stimulation shows impaired plasticity of inhibition networks as a function of chronic alcohol use. Psychol Med 2024; 54:698-709. [PMID: 37712403 DOI: 10.1017/s0033291723002374] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 09/16/2023]
Abstract
BACKGROUND Response inhibition - or the ability to withhold a suboptimal response - relies on the efficacy of fronto-striatal networks, and is impaired in neuropsychiatric disorders including addiction. Cortical paired associative stimulation (cPAS) is a form of transcranial magnetic stimulation (TMS) which can strengthen neuronal connections via spike-timing-dependent plasticity mechanisms. Here, we used cPAS targeting the fronto-striatal inhibitory network to modulate performance on a response inhibition measure in chronic alcohol use. METHODS Fifty-five participants (20 patients with a formal alcohol use disorder (AUD) diagnosis (26-74 years, 6[30%] females) and 20 matched healthy controls (HCs) (27-73 years, 6[30%] females) within a larger sample of 35 HCs (23-84 years, 11[31.4%] females) underwent two randomized sessions of cPAS 1-week apart: right inferior frontal cortex stimulation preceding right presupplementary motor area stimulation by either 4 ms (excitation condition) or 100 ms (control condition), and were subsequently administered the Stop Signal Task (SST) in both sessions. RESULTS HCs showed decreased stop signal reaction time in the excitation condition (t(19) = -3.01, p = 0.007, [CIs]:-35.6 to -6.42); this facilitatory effect was not observed for AUD (F(1,31) = 9.57, p = 0.004, CIs: -68.64 to -14.11). Individually, rates of SST improvement were substantially higher for healthy (72%) relative to AUD (13.6%) groups (OR: 2.33, p = 0.006, CIs:-3.34 to -0.55). CONCLUSION In line with previous findings, cPAS improved response inhibition in healthy adults by strengthening the fronto-striatal network through putative long-term potentiation-like plasticity mechanisms. Furthermore, we identified a possible marker of impaired cortical excitability, and, thus, diminished capacity for cPAS-induced neuroplasticity in AUD with direct implications to a disorder-relevant cognitive process.
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Affiliation(s)
- Samantha N Sallie
- Department of Psychiatry, University of Cambridge, Cambridge, CB2 0QQ, UK
| | - Saurabh Sonkusare
- Department of Psychiatry, University of Cambridge, Cambridge, CB2 0QQ, UK
| | - Alekhya Mandali
- Nuffield Department of Clinical Neurosciences, University of Oxford, Oxford, OX3 9DU, UK
- MRC Brain Network Dynamics Unit, University of Oxford, Oxford, OX13TH, UK
| | - Violeta Casero
- Department of Psychiatry, University of Cambridge, Cambridge, CB2 0QQ, UK
| | - Hailun Cui
- Department of Psychiatry, University of Cambridge, Cambridge, CB2 0QQ, UK
| | - Natalie V Guzman
- Department of Public Health and Primary Care, University of Cambridge, Cambridge, CB2 0QQ, UK
| | - Michael Allison
- Liver Unit, Department of Medicine, Cambridge NIHR Biomedical Research Centre, Cambridge University Hospitals NHS Foundation Trust, Cambridge, CB2 0QQ, UK
| | - Valerie Voon
- Department of Psychiatry, University of Cambridge, Cambridge, CB2 0QQ, UK
- Institute of Science and Technology for Brain-Inspired Intelligence, Fudan University, Shanghai, China
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Brevers D, Baeken C, Bechara A, He Q, Maurage P, Sescousse G, Vögele C, Billieux J. Increased ventral anterior insular connectivity to sports betting availability indexes problem gambling. Addict Biol 2024; 29:e13389. [PMID: 38516877 PMCID: PMC11061852 DOI: 10.1111/adb.13389] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2023] [Revised: 02/06/2024] [Accepted: 02/20/2024] [Indexed: 03/23/2024]
Abstract
With the advent of digital technologies, online sports betting is spurring a fast-growing expansion. In this study, we examined how sports betting availability modulates the brain connectivity of frequent sports bettors with [problem bettors (PB)] or without [non-problem bettors (NPB)] problematic sports betting. We conducted functional connectivity analyses centred on the ventral anterior insular cortex (vAI), a brain region playing a key role in the dynamic interplay between reward-based processes. We re-analysed a dataset on sports betting availability undertaken in PB (n = 30) and NPB (n = 35). Across all participants, we observed that sports betting availability elicited positive vAI coupling with extended clusters of brain activation (encompassing the putamen, cerebellum, occipital, temporal, precentral and central operculum regions) and negative vAI coupling with the orbitofrontal cortex. Between-group analyses showed increased positive vAI coupling in the PB group, as compared with the NPB group, in the left lateral occipital cortex, extending to the left inferior frontal gyrus, the anterior cingulate gyrus and the right frontal pole. Taken together, these results are in line with the central assumptions of triadic models of addictions, which posit that the insular cortex plays a pivotal role in promoting the drive and motivation to get a reward by 'hijacking' goal-oriented processes toward addiction-related cues. Taken together, these findings showed that vAI functional connectivity is sensitive not only to gambling availability but also to the status of problematic sport betting.
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Affiliation(s)
- Damien Brevers
- Louvain for Experimental Psychopathology Research Group (LEP), Psychological Sciences Research InstituteUCLouvainLouvain‐la‐NeuveBelgium
- Department of Behavioural and Cognitive Sciences, Institute for Health and BehaviourUniversity of LuxembourgEsch‐sur‐AlzetteLuxembourg
| | - Chris Baeken
- Department of PsychiatryUZ BrusselBrusselsBelgium
- Department of Head and Skin, Ghent Experimental Psychiatry (GHEP) LabGhent University Hospital, Ghent UniversityGhentBelgium
- Department of Electrical EngineeringEindhoven University of TechnologyEindhovenThe Netherlands
| | - Antoine Bechara
- Department of PsychologyUniversity of Southern CaliforniaCaliforniaLos AngelesUSA
| | - Qinghua He
- Faculty of PsychologySouthwest UniversityChongqingChina
| | - Pierre Maurage
- Louvain for Experimental Psychopathology Research Group (LEP), Psychological Sciences Research InstituteUCLouvainLouvain‐la‐NeuveBelgium
| | - Guillaume Sescousse
- Lyon Neuroscience Research Center—INSERM U1028—CNRS UMR5292, PSYR2 TeamUniversity of LyonLyonFrance
| | - Claus Vögele
- Department of Behavioural and Cognitive Sciences, Institute for Health and BehaviourUniversity of LuxembourgEsch‐sur‐AlzetteLuxembourg
| | - Joël Billieux
- Institute of PsychologyUniversity of LausanneLausanneSwitzerland
- Centre for Excessive Gambling, Addiction MedicineLausanne University Hospitals (CHUV)LausanneSwitzerland
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Farré-Colomés À, Tan H, Gerhardt S, Gerchen MF, Kirsch M, Hoffmann S, Kirsch P, Kiefer F, Vollstädt-Klein S. Cue-exposure treatment influences resting-state functional connectivity-a randomized controlled fMRI study in alcohol use disorder. Psychopharmacology (Berl) 2024; 241:513-524. [PMID: 38261011 PMCID: PMC10884177 DOI: 10.1007/s00213-024-06531-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/03/2023] [Accepted: 01/08/2024] [Indexed: 01/24/2024]
Abstract
RATIONALE Cue-exposure therapy (CET) consists of exposing patients to the cause of their affliction in a controlled environment and after psychological preparation. Ever since it was conceived, it has been suggested as a treatment for different types of behavioural impairments, from anxiety disorders to substance abuse. In the field of addictive behaviour, many different findings have been shown regarding the effectiveness of this therapy. OBJECTIVES This study aims to examine the underlying neurobiological mechanisms of the effects of CET in patients with alcohol use disorder using resting-state functional magnetic resonance imaging (rs-fMRI). METHODS In a randomized, controlled study, we examined patients after inpatient detoxification as well as healthy controls. Patients underwent nine sessions of CET spaced over 3 weeks. Rs-fMRI was conducted before treatment and 3 weeks after treatment onset in patients, healthy controls received only one rs-fMRI measurement. The final participant sample with complete data included 35 patients in the CET group, 17 patients in the treatment-as-usual group, and 43 HCs. RESULTS Our results show differences in the Salience Network when comparing the CET group to the treatment-as-usual group (TAU). Functional connectivity between the anterior cingulate Cortex (ACC) and the insula was increased after CET, whereas it was decreased from ACC to the putamen and globus pallidus. Further, increased connectivity with the precuneus was found in the dorsal attention network after cue exposure treatment. CONCLUSIONS These findings suggest that cue exposure therapy changes the resting-state brain connectivity with additional effects to the standard psychotherapy treatment. Hence, our study results suggest why including CET in standard therapies might improve the preparation of patients in front of daily situations.
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Affiliation(s)
- Àlvar Farré-Colomés
- Department of Addictive Behaviour and Addiction Medicine, Central Institute of Mental Health, Medical Faculty of Mannheim, Heidelberg University, 68159, Mannheim, Germany
| | - Haoye Tan
- Department of Addictive Behaviour and Addiction Medicine, Central Institute of Mental Health, Medical Faculty of Mannheim, Heidelberg University, 68159, Mannheim, Germany
| | - Sarah Gerhardt
- Department of Addictive Behaviour and Addiction Medicine, Central Institute of Mental Health, Medical Faculty of Mannheim, Heidelberg University, 68159, Mannheim, Germany
| | - Martin Fungisai Gerchen
- Department of Clinical Psychology, Central Institute of Mental Health, Medical Faculty of Mannheim, Heidelberg University, 68159, Mannheim, Germany
- Bernstein Center for Computational Neuroscience Heidelberg/Mannheim, 68159, Mannheim, Germany
- Department of Psychology, Heidelberg University, 69117, Heidelberg, Germany
| | - Martina Kirsch
- Department of Addictive Behaviour and Addiction Medicine, Central Institute of Mental Health, Medical Faculty of Mannheim, Heidelberg University, 68159, Mannheim, Germany
| | - Sabine Hoffmann
- Department of Addictive Behaviour and Addiction Medicine, Central Institute of Mental Health, Medical Faculty of Mannheim, Heidelberg University, 68159, Mannheim, Germany
| | - Peter Kirsch
- Department of Clinical Psychology, Central Institute of Mental Health, Medical Faculty of Mannheim, Heidelberg University, 68159, Mannheim, Germany
- Bernstein Center for Computational Neuroscience Heidelberg/Mannheim, 68159, Mannheim, Germany
- Department of Psychology, Heidelberg University, 69117, Heidelberg, Germany
| | - Falk Kiefer
- Department of Addictive Behaviour and Addiction Medicine, Central Institute of Mental Health, Medical Faculty of Mannheim, Heidelberg University, 68159, Mannheim, Germany
- Mannheim Center for Translational Neurosciences (MCTN), Medical Faculty of Mannheim, Heidelberg University, 68159, Mannheim, Germany
- Feuerlein Center on Translational Addiction Medicine, Heidelberg University, 69117, Heidelberg, Germany
| | - Sabine Vollstädt-Klein
- Department of Addictive Behaviour and Addiction Medicine, Central Institute of Mental Health, Medical Faculty of Mannheim, Heidelberg University, 68159, Mannheim, Germany.
- Mannheim Center for Translational Neurosciences (MCTN), Medical Faculty of Mannheim, Heidelberg University, 68159, Mannheim, Germany.
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Palombo P, Maeda R, Riberti Zaniboni C, Antonagi Engi S, Yokoyama T, Bonetti Bertagna N, Anesio A, Cristina Bianchi P, Righi T, Emily Boaventura Tavares G, Souccar C, da Silva FBR, Cardoso Cruz F. Unlocking the role of dorsal hippocampal α4β2 nicotinic acetylcholine receptors in Ethanol-Induced conditioned place preference in mice. Neurosci Lett 2024; 824:137666. [PMID: 38331019 DOI: 10.1016/j.neulet.2024.137666] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2023] [Revised: 01/22/2024] [Accepted: 02/01/2024] [Indexed: 02/10/2024]
Abstract
Alcohol Use Disorder (AUD) presents a significant and challenging public health concern, marked by a dearth of effective pharmacological treatments. Understanding the neurobiological underpinnings of AUD is of paramount importance for the development of efficacious interventions. The process of addiction entails the acquisition of associative behaviors, prominently engaging the dorsal region of the hippocampus for encoding these associative memories. Nicotinic receptor systems have been implicated in mediating the rewarding effects of ethanol, as well as memory and learning processes. In our current investigation, we delved into the role of α4β2 nicotinic acetylcholine receptors (nAChRs) within the dorsal hippocampus in the context of ethanol-induced conditioned place preference (CPP), a robust model for scrutinizing the rewarding properties and drug-associated behaviors. To establish CPP, ethanol (2 g/kg) was administered intraperitoneally during a 8-day conditioning phase. Fos immunohistochemistry was employed to assess the involvement of discrete subregions within the dorsal hippocampus in ethanol-induced CPP. Additionally, we probed the influence of α4β2 nAChRs on CPP via microinjections of a selective nAChR antagonist, dihydro-β-erythroidine (DHBE, at dosages of 6, 12, and 18 µg/0.5 µL per hemisphere) within the hippocampus. Our results unveiled that ethanol-induced CPP was associated with an increase Fos -positive cells in various subregions of the dorsal hippocampus, including CA1, CA2, CA3, and the dentate gyrus. Intrahippocampal administration of DHBE (at doses of 6 and 18 µg/0.50 µL per hemisphere) effectively blocked ethanol-induced CPP, while leaving locomotor activity unaffected. These findings underscore the critical involvement of the dorsal hippocampus and α4β2 nAChRs in the acquisition of ethanol-associated learning and reward.
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Affiliation(s)
- Paola Palombo
- Department of Pharmacology, Escola Paulista de Medicina, Universidade Federal de São Paulo, São Paulo, Brazil.
| | - Roberta Maeda
- Department of Pharmacology, Escola Paulista de Medicina, Universidade Federal de São Paulo, São Paulo, Brazil
| | - Caroline Riberti Zaniboni
- Department of Pharmacology, Escola Paulista de Medicina, Universidade Federal de São Paulo, São Paulo, Brazil
| | - Sheila Antonagi Engi
- Department of Pharmacology, Escola Paulista de Medicina, Universidade Federal de São Paulo, São Paulo, Brazil
| | - Thais Yokoyama
- Department of Pharmacology, Escola Paulista de Medicina, Universidade Federal de São Paulo, São Paulo, Brazil
| | - Natalia Bonetti Bertagna
- Department of Pharmacology, Escola Paulista de Medicina, Universidade Federal de São Paulo, São Paulo, Brazil
| | - Augusto Anesio
- Department of Pharmacology, Escola Paulista de Medicina, Universidade Federal de São Paulo, São Paulo, Brazil
| | - Paula Cristina Bianchi
- Department of Pharmacology, Escola Paulista de Medicina, Universidade Federal de São Paulo, São Paulo, Brazil
| | - Thamires Righi
- Department of Pharmacology, Escola Paulista de Medicina, Universidade Federal de São Paulo, São Paulo, Brazil
| | | | - Caden Souccar
- Department of Pharmacology, Escola Paulista de Medicina, Universidade Federal de São Paulo, São Paulo, Brazil
| | | | - Fabio Cardoso Cruz
- Department of Pharmacology, Escola Paulista de Medicina, Universidade Federal de São Paulo, São Paulo, Brazil
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Huang N, Cui J, Fan G, Pan T, Han K, Xu K, Jiang C, Liu X, Wang F, Ma L, Le Q. Transcriptomic effects of paternal cocaine-seeking on the reward circuitry of male offspring. Transl Psychiatry 2024; 14:120. [PMID: 38409093 PMCID: PMC10897445 DOI: 10.1038/s41398-024-02839-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/25/2023] [Revised: 02/10/2024] [Accepted: 02/15/2024] [Indexed: 02/28/2024] Open
Abstract
It has been previously established that paternal development of a strong incentive motivation for cocaine can predispose offspring to develop high cocaine-seeking behavior, as opposed to sole exposure to the drug that results in drug resistance in offspring. However, the adaptive changes of the reward circuitry have not been fully elucidated. To infer the key nuclei and possible hub genes that determine susceptibility to addiction in offspring, rats were randomly assigned to three groups, cocaine self-administration (CSA), yoked administration (Yoke), and saline self-administration (SSA), and used to generate F1. We conducted a comprehensive transcriptomic analysis of the male F1 offspring across seven relevant brain regions, both under drug-naïve conditions and after cocaine self-administration. Pairwise differentially expressed gene analysis revealed that the orbitofrontal cortex (OFC) exhibited more pronounced transcriptomic changes in response to cocaine exposure, while the dorsal hippocampus (dHip), dorsal striatum (dStr), and ventral tegmental area (VTA) exhibited changes that were more closely associated with the paternal voluntary cocaine-seeking behavior. Consistently, these nuclei showed decreased dopamine levels, elevated neuronal activation, and elevated between-nuclei correlations, indicating dopamine-centered rewiring of the midbrain circuit in the CSA offspring. To determine if possible regulatory cascades exist that drive the expression changes, we constructed co-expression networks induced by paternal drug addiction and identified three key clusters, primarily driven by transcriptional factors such as MYT1L, POU3F4, and NEUROD6, leading to changes of genes regulating axonogenesis, synapse organization, and membrane potential, respectively. Collectively, our data highlight vulnerable neurocircuitry and novel regulatory candidates with therapeutic potential for disrupting the transgenerational inheritance of vulnerability to cocaine addiction.
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Affiliation(s)
- Nan Huang
- School of Basic Medical Sciences, State Key Laboratory of Medical Neurobiology, MOE Frontiers Center for Brain Science, Institutes of Brain Science, Department of Neurology, Huashan Hospital, Fudan University, Shanghai, 200032, China
| | - Jian Cui
- School of Basic Medical Sciences, State Key Laboratory of Medical Neurobiology, MOE Frontiers Center for Brain Science, Institutes of Brain Science, Department of Neurology, Huashan Hospital, Fudan University, Shanghai, 200032, China
| | - Guangyuan Fan
- School of Basic Medical Sciences, State Key Laboratory of Medical Neurobiology, MOE Frontiers Center for Brain Science, Institutes of Brain Science, Department of Neurology, Huashan Hospital, Fudan University, Shanghai, 200032, China
| | - Tao Pan
- School of Basic Medical Sciences, State Key Laboratory of Medical Neurobiology, MOE Frontiers Center for Brain Science, Institutes of Brain Science, Department of Neurology, Huashan Hospital, Fudan University, Shanghai, 200032, China
| | - Kunxiu Han
- School of Basic Medical Sciences, State Key Laboratory of Medical Neurobiology, MOE Frontiers Center for Brain Science, Institutes of Brain Science, Department of Neurology, Huashan Hospital, Fudan University, Shanghai, 200032, China
| | - Kailiang Xu
- Center for Biomedical Engineering, School of Information Science and Technology, Fudan University, Shanghai, 200438, China
| | - Changyou Jiang
- School of Basic Medical Sciences, State Key Laboratory of Medical Neurobiology, MOE Frontiers Center for Brain Science, Institutes of Brain Science, Department of Neurology, Huashan Hospital, Fudan University, Shanghai, 200032, China
- Research Unit of Addiction Memory, Chinese Academy of Medical Sciences (2021RU009), Shanghai, 200032, China
| | - Xing Liu
- School of Basic Medical Sciences, State Key Laboratory of Medical Neurobiology, MOE Frontiers Center for Brain Science, Institutes of Brain Science, Department of Neurology, Huashan Hospital, Fudan University, Shanghai, 200032, China
- Research Unit of Addiction Memory, Chinese Academy of Medical Sciences (2021RU009), Shanghai, 200032, China
| | - Feifei Wang
- School of Basic Medical Sciences, State Key Laboratory of Medical Neurobiology, MOE Frontiers Center for Brain Science, Institutes of Brain Science, Department of Neurology, Huashan Hospital, Fudan University, Shanghai, 200032, China
- Research Unit of Addiction Memory, Chinese Academy of Medical Sciences (2021RU009), Shanghai, 200032, China
| | - Lan Ma
- School of Basic Medical Sciences, State Key Laboratory of Medical Neurobiology, MOE Frontiers Center for Brain Science, Institutes of Brain Science, Department of Neurology, Huashan Hospital, Fudan University, Shanghai, 200032, China.
- Research Unit of Addiction Memory, Chinese Academy of Medical Sciences (2021RU009), Shanghai, 200032, China.
| | - Qiumin Le
- School of Basic Medical Sciences, State Key Laboratory of Medical Neurobiology, MOE Frontiers Center for Brain Science, Institutes of Brain Science, Department of Neurology, Huashan Hospital, Fudan University, Shanghai, 200032, China.
- Research Unit of Addiction Memory, Chinese Academy of Medical Sciences (2021RU009), Shanghai, 200032, China.
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Clare K, Park K, Pan Y, Lejuez CW, Volkow ND, Du C. Neurovascular effects of cocaine: relevance to addiction. Front Pharmacol 2024; 15:1357422. [PMID: 38455961 PMCID: PMC10917943 DOI: 10.3389/fphar.2024.1357422] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2023] [Accepted: 01/22/2024] [Indexed: 03/09/2024] Open
Abstract
Cocaine is a highly addictive drug, and its use is associated with adverse medical consequences such as cerebrovascular accidents that result in debilitating neurological complications. Indeed, brain imaging studies have reported severe reductions in cerebral blood flow (CBF) in cocaine misusers when compared to the brains of healthy non-drug using controls. Such CBF deficits are likely to disrupt neuro-vascular interaction and contribute to changes in brain function. This review aims to provide an overview of cocaine-induced CBF changes and its implication to brain function and to cocaine addiction, including its effects on tissue metabolism and neuronal activity. Finally, we discuss implications for future research, including targeted pharmacological interventions and neuromodulation to limit cocaine use and mitigate the negative impacts.
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Affiliation(s)
- Kevin Clare
- New York Medical College, Valhalla, NY, United States
- Department of Biomedical Engineering, Stony Brook University, Stony Brook, NY, United States
| | - Kicheon Park
- Department of Biomedical Engineering, Stony Brook University, Stony Brook, NY, United States
| | - Yingtian Pan
- Department of Biomedical Engineering, Stony Brook University, Stony Brook, NY, United States
| | - Carl W. Lejuez
- Department of Psychology, Stony Brook University, Stony Brook, NY, United States
| | - Nora D. Volkow
- National Institute on Alcohol Abuse and Alcoholism, Bethesda, MD, United States
| | - Congwu Du
- Department of Biomedical Engineering, Stony Brook University, Stony Brook, NY, United States
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Lee JH, Kang S, Maier SU, Lee SA, Goldfarb EV, Ahn WY. Acute Stress Enhances Memory and Preference for Smoking-Related Associations in Smokers. Nicotine Tob Res 2024; 26:333-341. [PMID: 37589502 DOI: 10.1093/ntr/ntad152] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2023] [Revised: 08/08/2023] [Accepted: 08/13/2023] [Indexed: 08/18/2023]
Abstract
INTRODUCTION Nicotine dependence follows a chronic course that is characterized by repeated relapse, often driven by acute stress and rewarding memories of smoking retrieved from related contexts. These two triggers can also interact, with stress influencing retrieval of contextual memories. However, the roles of these processes in nicotine dependence remain unknown. AIMS AND METHODS We investigated how acute stress biases memory for smoking-associated contexts among smokers (N = 65) using a novel laboratory paradigm. On day 1, participants formed associations between visual stimuli of items (either neutral or related to smoking) and places (background scenes). On day 2 (24 hours later), participants were exposed to an acute laboratory-based stressor (socially evaluated cold pressor test; N = 32) or a matched control condition (N = 33) prior to being tested on their memory recognition and preferences for each item and place. We distinguished the accuracy of memory into specific (ie, precisely correct) or gist (ie, lure items with similar content) categories. RESULTS Results demonstrated that the stressor significantly induced physiological and subjective perceived stress responses, and that stressed smokers exhibited a memory bias in favor of smoking-related items. In addition, the stressed group displayed greater preference for both smoking-related items and places that had been paired with the smoking-related items. We also found suggestive evidence that stronger smoking-related memory biases were associated with more severe nicotine dependence (ie, years of smoking). CONCLUSIONS These results highlight the role of stress in biasing smokers toward remembering contexts associated with smoking, and amplifying their preference for these contexts. IMPLICATIONS The current study elucidates the role of acute stress in promoting memory biases favoring smoking-related associations among smokers. The results suggest that the retrieval of smoking-biased associative memory could be a crucial factor in stress-related nicotine seeking. This may lead to a potential intervention targeting the extinction of smoking-related context memories as a preventive strategy for stress-induced relapse.
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Affiliation(s)
- Jeung-Hyun Lee
- Department of Psychology, Seoul National University, Seoul, South Korea
| | - Sanghoon Kang
- Department of Psychiatry, Yale School of Medicine, New Haven, CT, USA
| | - Silvia U Maier
- Translational Neuromodeling Unit, University of Zurich, Zürich, Switzerland
| | - Sang Ah Lee
- Department of Brain and Cognitive Sciences, Seoul National University, Seoul, Korea
| | | | - Woo-Young Ahn
- Department of Psychology, Seoul National University, Seoul, South Korea
- Department of Brain and Cognitive Sciences, Seoul National University, Seoul, Korea
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Vilca SJ, Margetts AV, Fleites I, Wahlestedt C, Tuesta LM. Microglia contribute to methamphetamine reinforcement and reflect persistent transcriptional and morphological adaptations to the drug. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2023.10.19.563168. [PMID: 37961443 PMCID: PMC10634674 DOI: 10.1101/2023.10.19.563168] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/15/2023]
Abstract
Methamphetamine use disorder (MUD) is a chronic, relapsing disease that is characterized by repeated drug use despite negative consequences and for which there are currently no FDA-approved cessation therapeutics. Repeated methamphetamine (METH) use induces long-term gene expression changes in brain regions associated with reward processing and drug-seeking behavior, and recent evidence suggests that methamphetamine-induced neuroinflammation may also shape behavioral and molecular responses to the drug. Microglia, the resident immune cells in the brain, are principal drivers of neuroinflammatory responses and contribute to the pathophysiology of substance use disorders. Here, we investigated transcriptional and morphological changes in dorsal striatal microglia in response to methamphetamine-taking and during methamphetamine abstinence, as well as their functional contribution to drug-taking behavior. We show that methamphetamine self-administration induces transcriptional changes associated with protein folding, mRNA processing, immune signaling, and neurotransmission in dorsal striatal microglia. Importantly, many of these transcriptional changes persist through abstinence, a finding supported by morphological analyses. Functionally, we report that microglial ablation increases methamphetamine-taking, possibly involving neuroimmune and neurotransmitter regulation, and that post-methamphetamine microglial repopulation attenuates drug-seeking following a 21-day period of abstinence. In contrast, microglial depletion during abstinence did not alter methamphetamine-seeking. Taken together, these results suggest that methamphetamine induces both short and long-term changes in dorsal striatal microglia that contribute to altered drug-taking behavior and may provide valuable insights into the pathophysiology of MUD.
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Affiliation(s)
- Samara J. Vilca
- Department of Psychiatry & Behavioral Sciences, University of Miami Miller School of Medicine, Miami, FL 33136
- Center for Therapeutic Innovation, University of Miami Miller School of Medicine, Miami, FL 33136
| | - Alexander V. Margetts
- Department of Psychiatry & Behavioral Sciences, University of Miami Miller School of Medicine, Miami, FL 33136
- Center for Therapeutic Innovation, University of Miami Miller School of Medicine, Miami, FL 33136
- Sylvester Comprehensive Cancer Center, University of Miami Miller School of Medicine, Miami, FL 33136
| | - Isabella Fleites
- Department of Psychiatry & Behavioral Sciences, University of Miami Miller School of Medicine, Miami, FL 33136
- Center for Therapeutic Innovation, University of Miami Miller School of Medicine, Miami, FL 33136
- Sylvester Comprehensive Cancer Center, University of Miami Miller School of Medicine, Miami, FL 33136
| | - Claes Wahlestedt
- Department of Psychiatry & Behavioral Sciences, University of Miami Miller School of Medicine, Miami, FL 33136
- Center for Therapeutic Innovation, University of Miami Miller School of Medicine, Miami, FL 33136
- Sylvester Comprehensive Cancer Center, University of Miami Miller School of Medicine, Miami, FL 33136
| | - Luis M. Tuesta
- Department of Psychiatry & Behavioral Sciences, University of Miami Miller School of Medicine, Miami, FL 33136
- Center for Therapeutic Innovation, University of Miami Miller School of Medicine, Miami, FL 33136
- Sylvester Comprehensive Cancer Center, University of Miami Miller School of Medicine, Miami, FL 33136
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50
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Hsu LM, Cerri DH, Lee SH, Shnitko TA, Carelli RM, Shih YYI. Intrinsic Functional Connectivity between the Anterior Insular and Retrosplenial Cortex as a Moderator and Consequence of Cocaine Self-Administration in Rats. J Neurosci 2024; 44:e1452232023. [PMID: 38233216 PMCID: PMC10869158 DOI: 10.1523/jneurosci.1452-23.2023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Revised: 12/21/2023] [Accepted: 12/22/2023] [Indexed: 01/19/2024] Open
Abstract
While functional brain imaging studies in humans suggest that chronic cocaine use alters functional connectivity (FC) within and between key large-scale brain networks, including the default mode network (DMN), the salience network (SN), and the central executive network (CEN), cross-sectional studies in humans are challenging to obtain brain FC prior to cocaine use. Such information is critical to reveal the relationship between individual's brain FC and the subsequent development of cocaine dependence and brain changes during abstinence. Here, we performed a longitudinal study examining functional magnetic resonance imaging (fMRI) data in male rats (n = 7), acquired before cocaine self-administration (baseline), on 1 d of abstinence following 10 d of cocaine self-administration, and again after 30 d of experimenter-imposed abstinence. Using repeated-measures analysis of variance (ANOVA) with network-based statistics (NBS), significant connectivity changes were found between anterior insular cortex (AI) of the SN, retrosplenial cortex (RSC) of the DMN, somatosensory cortex, and caudate-putamen (CPu), with AI-RSC FC showing the most robust changes between baseline and 1 d of abstinence. Additionally, the level of escalated cocaine intake is associated with AI-RSC and AI-CPu FC changes between 1 d and 30 d of abstinence; further, the subjects' AI-RSC FC prior to cocaine intake is a significant moderator for the AI-RSC changes during abstinence. These results provide novel insights into the roles of AI-RSC FC before and after cocaine intake and suggest this circuit to be a potential target to modulate large-scale network and associated behavioral changes in cocaine use disorders.
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Affiliation(s)
- Li-Ming Hsu
- Center for Animal Magnetic Resonance Imaging, The University of North Carolina at Chapel Hill, Chapel Hill 27599, North Carolina
- Biomedical Research Imaging Center, The University of North Carolina at Chapel Hill, Chapel Hill 27599, North Carolina
- Departments of Neurology, The University of North Carolina at Chapel Hill, Chapel Hill 27599, North Carolina
| | - Domenic H Cerri
- Center for Animal Magnetic Resonance Imaging, The University of North Carolina at Chapel Hill, Chapel Hill 27599, North Carolina
- Biomedical Research Imaging Center, The University of North Carolina at Chapel Hill, Chapel Hill 27599, North Carolina
- Departments of Neurology, The University of North Carolina at Chapel Hill, Chapel Hill 27599, North Carolina
| | - Sung-Ho Lee
- Center for Animal Magnetic Resonance Imaging, The University of North Carolina at Chapel Hill, Chapel Hill 27599, North Carolina
- Biomedical Research Imaging Center, The University of North Carolina at Chapel Hill, Chapel Hill 27599, North Carolina
- Departments of Neurology, The University of North Carolina at Chapel Hill, Chapel Hill 27599, North Carolina
| | - Tatiana A Shnitko
- Center for Animal Magnetic Resonance Imaging, The University of North Carolina at Chapel Hill, Chapel Hill 27599, North Carolina
- Biomedical Research Imaging Center, The University of North Carolina at Chapel Hill, Chapel Hill 27599, North Carolina
- Departments of Neurology, The University of North Carolina at Chapel Hill, Chapel Hill 27599, North Carolina
| | - Regina M Carelli
- Psychology and Neuroscience, The University of North Carolina at Chapel Hill, Chapel Hill 27599, North Carolina
| | - Yen-Yu Ian Shih
- Center for Animal Magnetic Resonance Imaging, The University of North Carolina at Chapel Hill, Chapel Hill 27599, North Carolina
- Biomedical Research Imaging Center, The University of North Carolina at Chapel Hill, Chapel Hill 27599, North Carolina
- Departments of Neurology, The University of North Carolina at Chapel Hill, Chapel Hill 27599, North Carolina
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