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Ghosh A, Basu D, Mattoo SK, Kumar Rana D, Roub F. Does Cannabis Dependence Add on to the Neurocognitive Impairment Among Patients With Opioid Dependence? A Cross-Sectional Comparative Study. Am J Addict 2020; 29:120-128. [PMID: 31951069 DOI: 10.1111/ajad.12986] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2019] [Revised: 11/18/2019] [Accepted: 12/15/2019] [Indexed: 11/28/2022] Open
Abstract
BACKGROUND AND OBJECTIVES Chronic opioid exposure has been linked with neurocognitive impairments. Evidence of residual impairment with cannabis use is less consistent. We investigated whether patients with opioid and cannabis dependence perform poorly compared with those with opioid dependence alone. METHODS We recruited three groups of participants aged 18 to 55 years: opioid and cannabis dependence (OCaD; n = 21), only opioid dependence (OD; n = 19), and a control group (HC; n = 20). Subjects with other substance use, human immunodeficiency virus, head injury, epilepsy, and severe mental illness were excluded. Cognitive tests, performed after at least 1 week of abstinence, consisted of the Wisconsin card sorting test (WCST), Iowa gambling task (IGT), trail making tests A and B (TMT-A and B), verbal and visual N-back test (NBT), and standard progressive matrices for intelligence quotient (IQ). The general linear model was used to compare the groups with age and years of education as covariates. RESULTS IQ and severity of opioid dependence were comparable in the three groups. The mean duration of cannabis use was 76.2 (±39.4) months. Compared with the HC, both OD and OCaD had significant impairment on the IGT, WCST, TMTs, and NBT. No significant group difference was observed between the OD and OCaD groups. DISCUSSION AND CONCLUSIONS Opioid dependence is associated with impairments in decision making, executive function, working memory, and attention. Co-morbid cannabis dependence had similar profiles of cognitive impairments. SCIENTIFIC SIGNIFICANCE Co-morbid cannabis dependence might not add on to the existing cognitive dysfunction in opioid dependence. Further studies should be done with a larger sample. (Am J Addict 2020;29:120-128).
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Affiliation(s)
- Abhishek Ghosh
- Department of Psychiatry, Drug De-addiction and Treatment Centre, Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | - Debasish Basu
- Department of Psychiatry, Drug De-addiction and Treatment Centre, Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | - S K Mattoo
- Department of Psychiatry, Drug De-addiction and Treatment Centre, Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | - Devender Kumar Rana
- Department of Psychiatry, Drug De-addiction and Treatment Centre, Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | - Fazle Roub
- Department of Psychiatry, Drug De-addiction and Treatment Centre, Postgraduate Institute of Medical Education and Research, Chandigarh, India
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Sadat-Shirazi MS, Zarrindast MR, Ashabi G. Oxidative stress enzymes are changed in opioid abusers and multidrug abusers. J Clin Neurosci 2020; 72:365-369. [PMID: 31926663 DOI: 10.1016/j.jocn.2019.12.064] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2019] [Accepted: 12/31/2019] [Indexed: 12/12/2022]
Abstract
The current study was designed to measure malondialdehyde level (MDA), super oxide dismutase (SOD) activity and COX-2 protein level in the prefrontal cortex (PFC) of drug-abusers. A total of 101 male drug abusers and 13 control subjects were gathered from the Iranian Legal Medicine center, Kahrizak, Tehran. Kind of death was determined by forensic pathologists, and the kind of drugs of abuse was detected using hair analysis. The medial prefrontal cortex (mPFC), lateral prefrontal cortex (lPFC), and orbitofrontal cortex (OFC) were dissected and were kept at -80 °C, until starting the assays. Our results indicated that the level of MDA was increased in the mPFC, lPFC and OFC of pure-opioid and multi-drug abusers compared with the control group. The SOD activity was reduced in the mPFC, lPFC and OFC of abusers in comparison to the control group. The protein level of COX-2 was decreased in the mPFC and lPFC of multi-drug abusers compared with the control group. This elevation in oxidative stress might be due to the increase of dopamine (as a consequence of drug abuse) or the direct effect of opioids and other drugs of abuse on oxidative agents. Antioxidant agents may be useful in preventing the damaging effect of oxidative agents in the brain of drug-addicted persons.
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Affiliation(s)
| | - Mohammad-Reza Zarrindast
- Iranian National Center for Addiction Studies, Tehran University of Medical Sciences, Tehran, Iran; Pharmacology Department, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran; Endocrinology and Metabolism Research Institute, Tehran University of Medical Science, Tehran, Iran.
| | - Ghorbangol Ashabi
- Department of Physiology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran.
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53
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12-h abstinence-induced functional connectivity density changes and craving in young smokers: a resting-state study. Brain Imaging Behav 2020; 13:953-962. [PMID: 29926324 DOI: 10.1007/s11682-018-9911-3] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Studying the neural correlates of craving to smoke is of great importance to improve treatment outcomes in smoking addiction. According to previous studies, the critical roles of striatum and frontal brain regions had been revealed in addiction. However, few studies focused on the hub of brain regions in the 12 h abstinence induced craving in young smokers. Thirty-one young male smokers were enrolled in the present study. A within-subject experiment design was carried out to compare functional connectivity density between 12-h smoking abstinence and smoking satiety conditions during resting state in young adult smokers by using functional connectivity density mapping (FCDM). Then, the functional connectivity density changes during smoking abstinence versus satiety were further used to examine correlations with abstinence-induced changes in subjective craving. We found young adult smokers in abstinence state (vs satiety) had higher local functional connectivity density (lFCD) and global functional connectivity density (gFCD) in brain regions including striatal subregions (i.e., bilateral caudate and putamen), frontal regions (i.e., anterior cingulate cortex (ACC) and orbital frontal cortex (OFC)) and bilateral insula. We also found higher lFCD during smoking abstinence (vs satiety) in bilateral thalamus. Additionally, the lFCD changes of the left ACC, bilateral caudate and right OFC were positively correlated with the changes in craving induced by abstinence (i.e., abstinence minus satiety) in young adult smokers. The present findings improve the understanding of the effects of acute smoking abstinence on the hubs of brain gray matter in the abstinence-induces craving and may contribute new insights into the neural mechanism of abstinence-induced craving in young smokers in smoking addiction.
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54
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Ghavidel N, Khodagholi F, Ahmadiani A, Khosrowabadi R, Asadi S, Shams J. Frontocingulate Dysfunction Is Associated with Depression and Decreased Serum PON1 in Methamphetamine-Dependent Patients. Neuropsychiatr Dis Treat 2020; 16:489-499. [PMID: 32110023 PMCID: PMC7037144 DOI: 10.2147/ndt.s237528] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/06/2019] [Accepted: 01/29/2020] [Indexed: 12/18/2022] Open
Abstract
INTRODUCTION Studies have been reported that frequent use of methamphetamine (MA) is associated with brain function impairment, mood disorders and excessive free radical production accompanied by the decreased level of the antioxidant response elements, but no study investigated their correlations simultaneously. In the current study, the correlation of brain function, depression and anxiety levels, and the serum levels of PON1 (an antioxidant) in MA-dependent patients were investigated. METHODS Nineteen active MA abusers and 18 control subjects performed color-word Stroop task during fMRI and the state of their depression, anxiety, and stress were measured by the Depression, Anxiety and Stress Scale-21 Items (DASS-21) questionnaire. Their blood samples were collected to measure the level of PON1 by the human enzyme-linked immunosorbent assay (ELISA) kit and its correlation with the measured variables was studied. RESULTS Analysis of fMRI findings showed frontocingulate dysfunction in Stroop effect condition, including left anterior cingulate cortex, paracingulate gyrus, superior frontal gyrus, and frontal pole in MA-dependent patients, which was associated with a higher level of depression and decreased level of serum PON1 in these patients. DISCUSSION The results of the current study showed that MA-dependency is associated with frontocingulate dysfunction, decreased serum PON1 concentration, and increased depression/anxiety, which is worth to be more studied to elucidate their roles in the pathophysiology of MA addiction.
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Affiliation(s)
- Nooshin Ghavidel
- Neuroscience Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Fariba Khodagholi
- Neuroscience Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Abolhassan Ahmadiani
- Neuroscience Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Reza Khosrowabadi
- Institute for Cognitive and Brain Sciences, Shahid Beheshti University, Tehran, Iran
| | - Sareh Asadi
- NeuroBiology Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Jamal Shams
- Behavioral Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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55
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Lorenzetti V, Chye Y, Suo C, Walterfang M, Lubman DI, Takagi M, Whittle S, Verdejo-Garcia A, Cousijn J, Pantelis C, Seal M, Fornito A, Yücel M, Solowij N. Neuroanatomical alterations in people with high and low cannabis dependence. Aust N Z J Psychiatry 2020; 54:68-75. [PMID: 31298035 DOI: 10.1177/0004867419859077] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
OBJECTIVES We aimed to investigate whether severity of cannabis dependence is associated with the neuroanatomy of key brain regions of the stress and reward brain circuits. METHODS To examine dependence-specific regional brain alterations, we compared the volumes of regions relevant to reward and stress, between high-dependence cannabis users (CD+, n = 25), low-dependence cannabis users (CD-, n = 20) and controls (n = 37). RESULTS Compared to CD- and/or controls, the CD+ group had lower cerebellar white matter and hippocampal volumes, and deflation of the right hippocampus head and tail. CONCLUSION These findings provide initial support for neuroadaptations involving stress and reward circuits that are specific to high-dependence cannabis users.
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Affiliation(s)
- Valentina Lorenzetti
- School of Behavioural and Health Sciences, Faculty of Health Sciences, Australian Catholic University, Fitzroy, VIC, Australia.,Department of Psychological Sciences, Institute of Psychology Health and Society, University of Liverpool, Liverpool, UK
| | - Yann Chye
- Brain Mind and Society Research Hub, Turner Institute for Brain and Mental Health, School of Psychological Sciences, Monash University, Melbourne, Australia
| | - Chao Suo
- Brain Mind and Society Research Hub, Turner Institute for Brain and Mental Health, School of Psychological Sciences, Monash University, Melbourne, Australia
| | - Mark Walterfang
- Melbourne Neuropsychiatry Centre, Department of Psychiatry, The University of Melbourne, Melbourne, VIC, Australia.,Florey Institute of Neuroscience and Mental Health, The University of Melbourne.,Neuropsychiatry Unit, Royal Melbourne Hospital, Australia
| | - Dan I Lubman
- Turning Point, Eastern Health and Eastern Health Clinical School, Monash University, Melbourne, VIC Australia
| | - Michael Takagi
- Murdoch Children's Research Institute, Parkville, VIC, Australia
| | - Sarah Whittle
- Melbourne Neuropsychiatry Centre, Department of Psychiatry, The University of Melbourne, Melbourne, VIC, Australia
| | - Antonio Verdejo-Garcia
- Brain Mind and Society Research Hub, Turner Institute for Brain and Mental Health, School of Psychological Sciences, Monash University, Melbourne, Australia
| | - Janna Cousijn
- Department of Developmental Psychology, University of Amsterdam, Amsterdam, The Netherlands
| | - Christos Pantelis
- Melbourne Neuropsychiatry Centre, Department of Psychiatry, The University of Melbourne, Melbourne, VIC, Australia.,Florey Institute of Neuroscience and Mental Health, The University of Melbourne
| | - Marc Seal
- Murdoch Children's Research Institute, Parkville, VIC, Australia
| | - Alex Fornito
- Brain Mind and Society Research Hub, Turner Institute for Brain and Mental Health, School of Psychological Sciences, Monash University, Melbourne, Australia
| | - Murat Yücel
- Brain Mind and Society Research Hub, Turner Institute for Brain and Mental Health, School of Psychological Sciences, Monash University, Melbourne, Australia
| | - Nadia Solowij
- School of Psychology and Illawarra Health and Medical Research Institute, University of Wollongong, Wollongong, NSW, Australia
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56
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Müller-Oehring EM, Le Berre AP, Serventi M, Kalon E, Haas AL, Padula CB, Schulte T. Brain activation to cannabis- and alcohol-related words in alcohol use disorder. Psychiatry Res Neuroimaging 2019; 294:111005. [PMID: 31715379 PMCID: PMC6886708 DOI: 10.1016/j.pscychresns.2019.111005] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/20/2019] [Revised: 10/29/2019] [Accepted: 10/31/2019] [Indexed: 12/18/2022]
Abstract
Cannabis abuse commonly co-occurs with alcohol use disorder (AUD). With increased acceptance and accessibility to cannabis in the US, it is imperative to understand the psychological and neural mechanisms of concurrent alcohol and cannabis use. We hypothesized that neural alcohol-cue conditioning may extent to other drug-related stimuli, such as cannabis, and underwrite the loss of control over reward-driven behavior. Task-activated fMRI examined the neural correlates of alcohol- and cannabis-related word cues in 21 abstinent AUD and 18 control subjects. Relative to controls, AUD showed behavioral attentional biases and frontal hypoactivation to both alcohol- and cannabis-related words. This cue-elicited prefrontal hypoactivation was related to higher lifetime alcohol consumption (pcorrected < 0.02) and modulated by past cannabis use histories (p ≦ 0.001). In particular, frontal hypoactivation to both alcohol and cannabis cues was pronounced in AUD without prior cannabis exposure. Overall, frontal control mechanisms in abstinent AUD were not sufficiently engaged to override automatic alcohol and cannabis-related intrusions, enhancing the risk for relapse and potentially for alcohol and cannabis co-use with the increased social acceptance and accessibility in the US.
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Affiliation(s)
- Eva M Müller-Oehring
- Neuroscience Program, SRI International, Menlo Park, CA, United States; Dept. of Psychiatry and Behavioral Sciences, Stanford University School of Medicine, United States
| | - Anne-Pascale Le Berre
- Dept. of Psychiatry and Behavioral Sciences, Stanford University School of Medicine, United States
| | - Matthew Serventi
- Neuroscience Program, SRI International, Menlo Park, CA, United States; Dept. of Psychiatry and Behavioral Sciences, Stanford University School of Medicine, United States
| | - Ember Kalon
- Neuroscience Program, SRI International, Menlo Park, CA, United States; Dept. of Psychology, Palo Alto University, Palo Alto, CA, United States
| | - Amie L Haas
- Dept. of Psychology, Palo Alto University, Palo Alto, CA, United States
| | - Claudia B Padula
- Dept. of Psychiatry and Behavioral Sciences, Stanford University School of Medicine, United States; VA Palo Alto Health Care System, Palo Alto, CA, United States
| | - Tilman Schulte
- Neuroscience Program, SRI International, Menlo Park, CA, United States; Dept. of Psychology, Palo Alto University, Palo Alto, CA, United States.
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57
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Transient Chemogenetic Inhibition of D1-MSNs in the Dorsal Striatum Enhances Methamphetamine Self-Administration. Brain Sci 2019; 9:brainsci9110330. [PMID: 31752398 PMCID: PMC6895983 DOI: 10.3390/brainsci9110330] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2019] [Accepted: 11/13/2019] [Indexed: 12/31/2022] Open
Abstract
The dorsal striatum is important for the development of drug addiction; however, the role of dopamine D1 receptor (D1R) expressing medium-sized spiny striatonigral (direct pathway) neurons (D1-MSNs) in regulating excessive methamphetamine intake remains elusive. Here we seek to determine if modulating D1-MSNs in the dorsal striatum alters methamphetamine self-administration in animals that have demonstrated escalation of self-administration. A viral vector-mediated approach was used to induce expression of the inhibitory (Gi coupled-hM4D) or stimulatory (Gs coupled-rM3D) designer receptors exclusively activated by designer drugs (DREADDs) engineered to specifically respond to the exogenous ligand clozapine-N-oxide (CNO) selectively in D1-MSNs in the dorsal striatum. CNO in animals expressing hM4D increased responding for methamphetamine compared to vehicle in a within subject treatment paradigm. CNO in animals that did not express DREADDs (DREADD naïve-CNO) or expressed rM3D did not alter responding for methamphetamine, demonstrating specificity for hM4D-CNO interaction in increasing self-administration. Postmortem tissue analysis reveals that hM4D-CNO animals had reduced Fos immunoreactivity in the dorsal striatum compared to rM3D-CNO animals and DREADD naïve-CNO animals. Cellular mechanisms in the dorsal striatum in hM4D-CNO animals reveal enhanced expression of D1R and Ca2+/calmodulin-dependent kinase II (CaMKII). Conversely, rM3D-CNO animals had enhanced activity of extracellular signal-regulated kinase (Erk1/2) and Akt in the dorsal striatum, supporting rM3D-CNO interaction in these animals compared with drug naïve controls, DREADD naïve-CNO and hM4D-CNO animals. Our studies indicate that transient inhibition of D1-MSNs-mediated strengthening of methamphetamine addiction-like behavior is associated with cellular adaptations that support dysfunctional dopamine signaling in the dorsal striatum.
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58
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Winterdahl M, Noer O, Orlowski D, Schacht AC, Jakobsen S, Alstrup AKO, Gjedde A, Landau AM. Sucrose intake lowers μ-opioid and dopamine D2/3 receptor availability in porcine brain. Sci Rep 2019; 9:16918. [PMID: 31729425 PMCID: PMC6858372 DOI: 10.1038/s41598-019-53430-9] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2019] [Accepted: 10/31/2019] [Indexed: 12/26/2022] Open
Abstract
Excessive sucrose consumption elicits addiction-like craving that may underpin the obesity epidemic. Opioids and dopamine mediate the rewarding effects of drugs of abuse, and of natural rewards from stimuli such as palatable food. We investigated the effects of sucrose using PET imaging with [11C]carfentanil (μ-opioid receptor agonist) and [11C]raclopride (dopamine D2/3 receptor antagonist) in seven female anesthetized Göttingen minipigs. We then gave minipigs access to sucrose solution for one hour on 12 consecutive days and performed imaging again 24 hours after the final sucrose access. In a smaller sample of five minipigs, we performed an additional [11C]carfentanil PET session after the first sucrose exposure. We calculated voxel-wise binding potentials (BPND) using the cerebellum as a region of non-displaceable binding, analyzed differences with statistical non-parametric mapping, and performed a regional analysis. After 12 days of sucrose access, BPND of both tracers had declined significantly in striatum, nucleus accumbens, thalamus, amygdala, cingulate cortex and prefrontal cortex, consistent with down-regulation of receptor densities. After a single exposure to sucrose, we found decreased binding of [11C]carfentanil in nucleus accumbens and cingulate cortex, consistent with opioid release. The lower availability of opioid and dopamine receptors may explain the addictive potential associated with intake of sucrose.
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Affiliation(s)
- Michael Winterdahl
- Department of Nuclear Medicine and PET Center, Aarhus University, Aarhus, Denmark
| | - Ove Noer
- Department of Nuclear Medicine and PET Center, Aarhus University, Aarhus, Denmark
| | - Dariusz Orlowski
- Department of Neurosurgery and CENSE, Aarhus University Hospital, Aarhus, Denmark
| | - Anna C Schacht
- Department of Nuclear Medicine and PET Center, Aarhus University, Aarhus, Denmark
| | - Steen Jakobsen
- Department of Nuclear Medicine and PET Center, Aarhus University, Aarhus, Denmark
| | - Aage K O Alstrup
- Department of Nuclear Medicine and PET Center, Aarhus University, Aarhus, Denmark
| | - Albert Gjedde
- Department of Nuclear Medicine and PET Center, Aarhus University, Aarhus, Denmark.,Department of Nuclear Medicine, University of Southern Denmark & Odense University Hospital, Odense, Denmark.,Department of Neuroscience, University of Copenhagen, Copenhagen, Denmark.,Department of Neurology and Neurosurgery, McGill University, Montreal, Canada
| | - Anne M Landau
- Department of Nuclear Medicine and PET Center, Aarhus University, Aarhus, Denmark. .,Translational Neuropsychiatry Unit, Aarhus University, Aarhus, Denmark.
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59
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Rohbani K, Sabzevari S, Sadat-Shirazi MS, Nouri Zadeh-Tehrani S, Ashabi G, Khalifeh S, Ale-Ebrahim M, Zarrindast MR. Parental morphine exposure affects repetitive grooming actions and marble burying behavior in the offspring: Potential relevance for obsessive-compulsive like behavior. Eur J Pharmacol 2019; 865:172757. [PMID: 31693870 DOI: 10.1016/j.ejphar.2019.172757] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2019] [Revised: 10/05/2019] [Accepted: 10/22/2019] [Indexed: 12/11/2022]
Abstract
Family, adoption and twin studies have highlighted the significant role of heritable influences on individual differences in opioid addiction. Meanwhile, obsessive-compulsive disorder (OCD) is a disorder wherein the individual experiences recurring thoughts that cause irrational fears and anxiety. In the present study, adult male and female rats received morphine solution for 21 days and were drug-free for 10 days. Offspring were used in 4 distinct groups; (1) paternal morphine-exposed, (2) maternal morphine-exposed, (3) maternal and paternal morphine-exposed, and (4) drug-naïve subjects. We assessed the grooming behavior and marble burying test as an indicator of obsessive-compulsive behavior. To clarify the mechanisms underlying these changes, the mRNA level of BDNF, the phosphorylation level of CREB and the protein level of D2 dopamine receptor (DR) were evaluated in the nucleus accumbens (NAc). The grooming behavior in male offspring with one or two morphine-abstinent parent(s) increased compared with the offspring of drug naïve rats. In addition, the offspring of morphine-exposed parents buried more marbles when compared with the offspring of drug-naïve parents. Also, the BDNF mRNA was down-regulated in the NAC. However, the levels of phospho-CREB and D2 DR were elevated. Previous studies indicated that exposure to morphine in adulthood enhances the risk of psychiatric disorders in offspring. OCD is one the comorbid disorders with addiction and increases the risk of substance abuse disorder in patients. In this survey, we found that morphine exposure in parents before gestation can encourage obsessive-compulsive behavior in offspring.
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Affiliation(s)
- Kiyana Rohbani
- Department of Biochemistry and Biophysics, Faculty of Advanced Science and Technology, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
| | - Saba Sabzevari
- Department of Biochemistry and Biophysics, Faculty of Advanced Science and Technology, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
| | | | | | - Ghorbangol Ashabi
- Department of Physiology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Solmaz Khalifeh
- Cognitive and Neuroscience Research Center (CNRC), Tehran Medical Sciences Branch, Islamic Azad University, Tehran, Iran
| | - Mahsa Ale-Ebrahim
- Department of Physiology, Faculty of Advanced Science and Technology, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
| | - Mohammad-Reza Zarrindast
- Iranian National Center for Addiction Studies, Tehran University of Medical Sciences, Tehran, Iran; Cognitive and Neuroscience Research Center (CNRC), Tehran Medical Sciences Branch, Islamic Azad University, Tehran, Iran; Department of Pharmacology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran; Endocrinology and Metabolism Research Institute, Tehran University of Medical Science, Tehran, Iran.
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60
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Mathis V, Kenny PJ. From controlled to compulsive drug-taking: The role of the habenula in addiction. Neurosci Biobehav Rev 2019; 106:102-111. [PMID: 29936111 PMCID: PMC9871871 DOI: 10.1016/j.neubiorev.2018.06.018] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2018] [Revised: 05/15/2018] [Accepted: 06/20/2018] [Indexed: 01/27/2023]
Abstract
Addiction is now recognized as a neurobiological and cognitive brain disorder and is generally viewed as a switch from recreational or voluntary to compulsive substance use despite aversive consequences. The habenula, composed of medial (MHb) and lateral (LHb) domains, has been implicated in regulating behavioral flexibility and anxiety-related behaviors and is considered a core component of the brain "anti-reward" system. These functions position the habenula to influence voluntary behaviors. Consistent with this view, emerging evidence points to alterations in habenula activity as important factors to contributing the loss of control over the use of drugs of abuse and the emergence of compulsive drug seeking behaviors. In this review, we will discuss the general functions of the MHb and LHb and describe how these functional properties allow this brain region to promote or suppress volitional behaviors. Then, we highlight mechanisms by which drugs of abuse may alter habenular activity, precipitating the emergence of addiction-relevant behavioral abnormalities.
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Affiliation(s)
- Victor Mathis
- Department of Neuroscience, Icahn School of Medicine at Mount Sinai, New York 10029-6574, USA.
| | - Paul J Kenny
- Department of Neuroscience, Icahn School of Medicine at Mount Sinai, New York 10029-6574, USA.
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61
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Abstract
Drug consumption is driven by a drug's pharmacological effects, which are experienced as rewarding, and is influenced by genetic, developmental, and psychosocial factors that mediate drug accessibility, norms, and social support systems or lack thereof. The reinforcing effects of drugs mostly depend on dopamine signaling in the nucleus accumbens, and chronic drug exposure triggers glutamatergic-mediated neuroadaptations in dopamine striato-thalamo-cortical (predominantly in prefrontal cortical regions including orbitofrontal cortex and anterior cingulate cortex) and limbic pathways (amygdala and hippocampus) that, in vulnerable individuals, can result in addiction. In parallel, changes in the extended amygdala result in negative emotional states that perpetuate drug taking as an attempt to temporarily alleviate them. Counterintuitively, in the addicted person, the actual drug consumption is associated with an attenuated dopamine increase in brain reward regions, which might contribute to drug-taking behavior to compensate for the difference between the magnitude of the expected reward triggered by the conditioning to drug cues and the actual experience of it. Combined, these effects result in an enhanced motivation to "seek the drug" (energized by dopamine increases triggered by drug cues) and an impaired prefrontal top-down self-regulation that favors compulsive drug-taking against the backdrop of negative emotionality and an enhanced interoceptive awareness of "drug hunger." Treatment interventions intended to reverse these neuroadaptations show promise as therapeutic approaches for addiction.
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Affiliation(s)
- Nora D Volkow
- National Institute on Drug Abuse, National Institutes of Health, Bethesda, Maryland
| | - Michael Michaelides
- National Institute on Drug Abuse, National Institutes of Health, Bethesda, Maryland
| | - Ruben Baler
- National Institute on Drug Abuse, National Institutes of Health, Bethesda, Maryland
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62
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Lees B, Mewton L, Stapinski LA, Squeglia LM, Rae CD, Teesson M. Neurobiological and Cognitive Profile of Young Binge Drinkers: a Systematic Review and Meta-Analysis. Neuropsychol Rev 2019; 29:357-385. [PMID: 31512192 PMCID: PMC7231524 DOI: 10.1007/s11065-019-09411-w] [Citation(s) in RCA: 59] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2019] [Accepted: 07/12/2019] [Indexed: 12/19/2022]
Abstract
This review provides the first systematic and quantitative synthesis of the literature examining the relationship between binge drinking, cognition, brain structure and function in youth aged 10 to 24 years. PubMed, EMBASE, Medline, PsychINFO and ProQuest were searched for neuroimaging, neurophysiological, and neuropsychological studies. A total of 58 studies (21 neuroimaging, 16 neurophysiological, 21 neuropsychological) met the eligibility criteria and were included in the review. Overall, abnormal or delayed development of key frontal executive-control regions may predispose youth to binge drink. These abnormalities appear to be further exacerbated by the uptake of binge drinking, in addition to alcohol-related neural aberrations in reward-seeking and incentive salience regions, indexed by cognitive deficits and maladaptive alcohol associations. A meta-analysis of neuropsychological correlates identified that binge drinking in youth was associated with a small overall neurocognitive deficit (g = -0.26) and specific deficits in decision-making (g = -1.70), and inhibition (g = -0.39). Using the Grades of Recommendation, Assessment, Development, and Evaluation (GRADE) Evidence Profile, the certainty in outcomes ranged from very low to low. Future prospective longitudinal studies should address concomitant factors, exposure thresholds, and age-related vulnerabilities of binge drinking, as well as the degree of recovery following discontinuation of use.
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Affiliation(s)
- Briana Lees
- The Matilda Centre for Research in Mental Health and Substance Use, University of Sydney, Sydney, NSW, 2006, Australia.
| | - Louise Mewton
- Centre for Healthy Brain Ageing, University of New South Wales, Sydney, NSW, 2031, Australia
| | - Lexine A Stapinski
- The Matilda Centre for Research in Mental Health and Substance Use, University of Sydney, Sydney, NSW, 2006, Australia
| | - Lindsay M Squeglia
- Department of Psychiatry and Behavioral Sciences, Medical University of South Carolina, Charleston, SC, 29425, USA
| | - Caroline D Rae
- Neuroscience Research Australia, University of New South Wales, Sydney, NSW, 2031, Australia
- School of Medical Sciences, University of New South Wales, Sydney, NSW, 2052, Australia
| | - Maree Teesson
- The Matilda Centre for Research in Mental Health and Substance Use, University of Sydney, Sydney, NSW, 2006, Australia
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Pacheco-Colón I, Ramirez AR, Gonzalez R. Effects of Adolescent Cannabis Use on Motivation and Depression: A Systematic Review. CURRENT ADDICTION REPORTS 2019; 6:532-546. [PMID: 34079688 DOI: 10.1007/s40429-019-00274-y] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Purpose of review This article reviews recent behavioral and neuroimaging studies to elucidate whether adolescent cannabis use is related to reduced motivation and increased risk of depression. Recent findings Recent work suggests that heavy adolescent cannabis use predicts poorer educational outcomes, often presumed to reflect reduced academic motivation, as well as increased levels of depressive symptoms. However, evidence of a link between cannabis use and general motivation was lacking. Factors such as concurrent alcohol and tobacco use, trajectories of cannabis use during adolescence, and cannabis-related changes in underlying neurocircuitry may impact associations among cannabis use, motivation, and depression. Summary Heavy adolescent cannabis use is associated with poorer educational outcomes and increased levels of depressive symptoms. The role of depression in how cannabis may affect motivation, broadly, is not yet clear, as most studies have not examined associations among all three constructs. Future work should explore possible overlap between cannabis effects on motivation and depression, and clarify the temporality of these associations.
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Affiliation(s)
- Ileana Pacheco-Colón
- Center for Children and Families, Department of Psychology, Florida International University
| | - Ana Regina Ramirez
- Center for Children and Families, Department of Psychology, Florida International University
| | - Raul Gonzalez
- Center for Children and Families, Department of Psychology, Florida International University
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64
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Yu D, Yuan K, Cheng J, Guan Y, Li Y, Bi Y, Zhai J, Luo L, Liu B, Xue T, Lu X. Reduced Thalamus Volume May Reflect Nicotine Severity in Young Male Smokers. Nicotine Tob Res 2019. [PMID: 28651369 DOI: 10.1093/ntr/ntx146] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
Introduction Nicotine acts as an agonist at presynaptic nicotinic acetylcholine receptors and to facilitate synaptic release of several neurotransmitters including dopamine and glutamate. The thalamus has the highest density of nicotinic acetylcholine receptors in the brain, which may make this area more vulnerable to the addictive effects of nicotine. However, the volume of thalamus abnormalities and the association with smoking behaviors in young smokers remains unknown. Methods Thirty-six young male smokers and 36 age-, gender- and education-matched nonsmokers participated in the current study. The nicotine dependence severity and cumulative effect were assessed with the Fagerström test for nicotine dependence (FTND) and pack-years. We used subcortical volume analyses method in FreeSurfer to investigate the thalamus volume differences between young smokers and nonsmokers. Correlation analysis was used to investigate the relationship between thalamus volume and smoking behaviors (pack-years and FTND) in young smokers. Results and Conclusions Relative to nonsmokers, the young smokers showed reduced volume of bilateral thalamus. In addition, the left thalamus volume was correlated with FTND in young smokers. It is hoped that our findings can shed new insights into the neurobiology of young smokers. Implications In this article, we investigated the changes of thalamus volume in young male smokers compared with nonsmokers. Reduced left thalamus volume was correlated with FTND in young smokers, which may reflect nicotine severity in young male smokers.
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Affiliation(s)
- Dahua Yu
- Inner Mongolia Key Laboratory of Pattern Recognition and Intelligent Image Processing, School of Information Engineering, Inner Mongolia University of Science and Technology, Baotou, Inner Mongolia, China
| | - Kai Yuan
- Life Sciences Research Center, School of Life Science and Technology, Xidian University, Xi'an, Shaanxi, China
| | - Jiadong Cheng
- Life Sciences Research Center, School of Life Science and Technology, Xidian University, Xi'an, Shaanxi, China
| | - Yanyan Guan
- Life Sciences Research Center, School of Life Science and Technology, Xidian University, Xi'an, Shaanxi, China
| | - Yangding Li
- Guangxi Key Laboratory of Multi-source Information Mining and Security, Guangxi Normal University, Guilin, Guangxi, China
| | - Yanzhi Bi
- Life Sciences Research Center, School of Life Science and Technology, Xidian University, Xi'an, Shaanxi, China
| | - Jinquan Zhai
- Department of Medical Imaging, The First Affiliated Hospital of Baotou Medical College, Inner Mongolia University of Science and Technology, Baotou, Inner Mongolia, China
| | - Lin Luo
- Department of Medical Imaging, The First Affiliated Hospital of Baotou Medical College, Inner Mongolia University of Science and Technology, Baotou, Inner Mongolia, China
| | - Bo Liu
- Department of Medical Imaging, The First Affiliated Hospital of Baotou Medical College, Inner Mongolia University of Science and Technology, Baotou, Inner Mongolia, China
| | - Ting Xue
- Inner Mongolia Key Laboratory of Pattern Recognition and Intelligent Image Processing, School of Information Engineering, Inner Mongolia University of Science and Technology, Baotou, Inner Mongolia, China
| | - Xiaoqi Lu
- Inner Mongolia Key Laboratory of Pattern Recognition and Intelligent Image Processing, School of Information Engineering, Inner Mongolia University of Science and Technology, Baotou, Inner Mongolia, China
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65
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Azizbeigi R, Farzinpour Z, Haghparast A. Role of Orexin-1 Receptor Within the Ventral Tegmental Area in Mediating Stress- and Morphine Priming-induced Reinstatement of Conditioned Place Preference in Rats. Basic Clin Neurosci 2019; 10:373-382. [PMID: 32231774 PMCID: PMC7101517 DOI: 10.32598/bcn.9.10.130] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2018] [Revised: 01/25/2018] [Accepted: 09/24/2018] [Indexed: 01/10/2023] Open
Abstract
Introduction: Orexin-containing neurons exist in the lateral hypothalamic region, sending their projections toward mesolimbic regions such as the Ventral Tegmental Area (VTA). Methods: In the current study, a Reinstatement model is used to examine the effects of intra-VTA administration of SB334867 as an Orexin-1 Receptor (OX1R) antagonist on drug priming- and Forced Swim Stress (FSS)-induced reinstatement of morphine. Eighty-eight male adult albino Wistar rats, weighing 200–280 g, were bilaterally implanted by cannulas into the VTA. We induced the Conditioned Place Preference (CPP) by Subcutaneous (SC) injection of morphine (5 mg/kg) daily in three days. Then, the CPP score was calculated. After a 24-h “off” period following achievement of extinction criterion, the rats were tested for drug priming-induced reinstatement by a priming dose of morphine (1 mg/kg, SC) and for FSS-induced reinstatement 10 min after FSS. In the next experiments, the animals received different doses of intra-VTA administration of SB334867 (0.3, 3, and 1 nM/0.3 μL 12% DMSO per side) and bilaterally were subsequently tested for FSS- and morphine priming-induced reinstatement. Results: Our findings indicated that the FSS could induce the reinstatement of seeking behaviors. Furthermore, intra-VTA administration of OX1R antagonists suppressed FSS- and drug priming-induced reinstatement dose-dependently. Conclusion: It is concluded that FSS and drug priming-induced reinstatement might be mediated, at least in part, by stimulation of orexin receptors in the VTA.
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Affiliation(s)
- Ronak Azizbeigi
- Department of Physiology, Faculty of Veterinary Medicine, Sanandaj Branch, Islamic Azad University, Sanandaj, Iran
| | - Zahra Farzinpour
- CAS Key Laboratory of Brain Function and Disease, School of Life Sciences, University of Science and Technology of China, Hefei, Anhui, China
| | - Abbas Haghparast
- Neuroscience Research Center, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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Brand M, Wegmann E, Stark R, Müller A, Wölfling K, Robbins TW, Potenza MN. The Interaction of Person-Affect-Cognition-Execution (I-PACE) model for addictive behaviors: Update, generalization to addictive behaviors beyond internet-use disorders, and specification of the process character of addictive behaviors. Neurosci Biobehav Rev 2019; 104:1-10. [PMID: 31247240 DOI: 10.1016/j.neubiorev.2019.06.032] [Citation(s) in RCA: 608] [Impact Index Per Article: 121.6] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2019] [Revised: 06/17/2019] [Accepted: 06/23/2019] [Indexed: 12/24/2022]
Abstract
We propose an updated version of the Interaction of Person-Affect-Cognition-Execution (I-PACE) model, which we argue to be valid for several types of addictive behaviors, such as gambling, gaming, buying-shopping, and compulsive sexual behavior disorders. Based on recent empirical findings and theoretical considerations, we argue that addictive behaviors develop as a consequence of the interactions between predisposing variables, affective and cognitive responses to specific stimuli, and executive functions, such as inhibitory control and decision-making. In the process of addictive behaviors, the associations between cue-reactivity/craving and diminished inhibitory control contribute to the development of habitual behaviors. An imbalance between structures of fronto-striatal circuits, particularly between ventral striatum, amygdala, and dorsolateral prefrontal areas, may be particularly relevant to early stages and the dorsal striatum to later stages of addictive processes. The I-PACE model may provide a theoretical foundation for future studies on addictive behaviors and clinical practice. Future studies should investigate common and unique mechanisms involved in addictive, obsessive-compulsive-related, impulse-control, and substance-use disorders.
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Affiliation(s)
- Matthias Brand
- General Psychology: Cognition and Center for Behavioral Addiction Research (CeBAR), University of Duisburg-Essen, Germany; Erwin L. Hahn Institute for Magnetic Resonance Imaging, Essen, Germany.
| | - Elisa Wegmann
- General Psychology: Cognition and Center for Behavioral Addiction Research (CeBAR), University of Duisburg-Essen, Germany
| | - Rudolf Stark
- Department of Psychotherapy and Systems Neuroscience, Justus-Liebig-University of Giessen, Germany; Bender Institute of Neuroimaging, Justus-Liebig-University of Giessen, Germany
| | - Astrid Müller
- Department of Psychosomatic Medicine and Psychotherapy, Hannover Medical School, Hannover, Germany
| | - Klaus Wölfling
- Outpatient Clinic for Behavioral Addiction, Department of Psychosomatic Medicine and Psychotherapy, University Medical Center, Johannes Gutenberg University Mainz, Germany
| | - Trevor W Robbins
- Department of Psychology, Behavioural and Clinical Neuroscience Institute, University of Cambridge, UK
| | - Marc N Potenza
- Departments of Psychiatry, Neuroscience and Child Study, Yale University School of Medicine, New Haven, USA; Connecticut Council on Problem Gambling, Wethersfield, USA; Connecticut Mental Health Center, New Haven, USA
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Thibeault KC, Kutlu MG, Sanders C, Calipari ES. Cell-type and projection-specific dopaminergic encoding of aversive stimuli in addiction. Brain Res 2019; 1713:1-15. [PMID: 30580012 PMCID: PMC6506354 DOI: 10.1016/j.brainres.2018.12.024] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2018] [Revised: 11/26/2018] [Accepted: 12/16/2018] [Indexed: 01/02/2023]
Abstract
Drug addiction is a major public health concern across the world for which there are limited treatment options. In order to develop new therapies to correct the behavioral deficits that result from repeated drug use, we need to understand the neural circuit dysfunction that underlies the pathophysiology of the disorder. Because the initial reinforcing effects of drugs are dependent on increases in dopamine in reward-related brain regions such as the mesolimbic dopamine pathway, a large focus of addiction research has centered on the dysregulation of this system and its control of positive reinforcement and motivation. However, in addition to the processing of positive, rewarding stimuli, there are clear deficits in the encoding and valuation of information about potential negative outcomes and how they control decision making and motivation. Further, aversive stimuli can motivate or suppress behavior depending on the context in which they are encountered. We propose a model where rewarding and aversive information guides the execution of specific motivated actions through mesocortical and mesolimbic dopamine acting on D1- and D2- receptor containing neuronal populations. Volitional drug exposure alters the processing of rewarding and aversive stimuli through remodeling of these dopaminergic circuits, causing maladaptive drug seeking, self-administration in the face of negative consequences, and drug craving. Together, this review discusses the dysfunction of the circuits controlling different types of aversive learning as well as how these guide specific discrete behaviors, and provides a conceptual framework for how they should be considered in preclinical addiction models.
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Affiliation(s)
- Kimberly C Thibeault
- Vanderbilt Center for Addiction Research, Vanderbilt University School of Medicine, Nashville, TN 37232, USA; Vanderbilt Brain Institute, Vanderbilt University School of Medicine, Nashville, TN 37232, USA
| | - Munir Gunes Kutlu
- Department of Pharmacology, Vanderbilt University School of Medicine, Nashville, TN 37232, USA
| | - Christina Sanders
- Department of Pharmacology, Vanderbilt University School of Medicine, Nashville, TN 37232, USA
| | - Erin S Calipari
- Department of Pharmacology, Vanderbilt University School of Medicine, Nashville, TN 37232, USA; Vanderbilt Center for Addiction Research, Vanderbilt University School of Medicine, Nashville, TN 37232, USA; Vanderbilt Brain Institute, Vanderbilt University School of Medicine, Nashville, TN 37232, USA.
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68
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Dong G, Liu X, Zheng H, Du X, Potenza MN. Brain response features during forced break could predict subsequent recovery in internet gaming disorder: A longitudinal study. J Psychiatr Res 2019; 113:17-26. [PMID: 30878788 DOI: 10.1016/j.jpsychires.2019.03.003] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/25/2018] [Revised: 02/12/2019] [Accepted: 03/04/2019] [Indexed: 02/07/2023]
Abstract
Although internet gaming disorder (IGD) is associated with negative health measures, individuals may recover without professional intervention. Exploring neural features associated with natural recovery may provide insights into how best to promote health among people with IGD. Seventy-nine IGD subjects were scanned when they were performing cue-craving tasks before and after gaming was interrupted with a forced break. After one year, 20 individuals no longer met IGD criteria and were considered recovered. We compared brain responses in cue-craving tasks between these 20 recovered IGD subjects and 20 matched IGD subjects still meeting criteria at one year (persistent IGD). Recovered IGD subjects showed lower dorsolateral prefrontal cortex (DLPFC) activation than persistent IGD subjects to gaming cues at both pre- and post-gaming times. Significant group-by-time interactions were found in the bilateral DLPFC and insula, and these involved relatively decreased DLPFC and increased insula activation in the persistent IGD group during the forced break. Relatively decreased DLPFC activity and increased insula activity in response to gaming cues following recent gaming may underlie persistence of gaming. These findings suggest that executive control and interoceptive processing warrant additional study in understanding recovery from IGD.
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Affiliation(s)
- Guangheng Dong
- Center for Cognition and Brain Disorders, Hangzhou Normal University, Hangzhou, Zhejiang Province, PR China.
| | - Xiaoyue Liu
- Wenzhou Medical University, Wenzhou, Zhejiang, PR China
| | - Hui Zheng
- Center for Cognition and Brain Disorders, Hangzhou Normal University, Hangzhou, Zhejiang Province, PR China
| | - Xiaoxia Du
- Department of Physics, Shanghai Key Laboratory of Magnetic Resonance, East China Normal University, Shanghai, PR China
| | - Marc N Potenza
- Department of Psychiatry, Yale University School of Medicine, New Haven, CT, USA; Department of Neuroscience, Yale University School of Medicine, New Haven, CT, USA; Department of Child Study Center, Yale University School of Medicine, New Haven, CT, USA; Connecticut Mental Health Center, New Haven, CT, USA
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69
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Halbout B, Marshall AT, Azimi A, Liljeholm M, Mahler SV, Wassum KM, Ostlund SB. Mesolimbic dopamine projections mediate cue-motivated reward seeking but not reward retrieval in rats. eLife 2019; 8:43551. [PMID: 31107241 PMCID: PMC6548499 DOI: 10.7554/elife.43551] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2018] [Accepted: 05/19/2019] [Indexed: 01/21/2023] Open
Abstract
Efficient foraging requires an ability to coordinate discrete reward-seeking and reward-retrieval behaviors. We used pathway-specific chemogenetic inhibition to investigate how rats’ mesolimbic and mesocortical dopamine circuits contribute to the expression and modulation of reward seeking and retrieval. Inhibiting ventral tegmental area dopamine neurons disrupted the tendency for reward-paired cues to motivate reward seeking, but spared their ability to increase attempts to retrieve reward. Similar effects were produced by inhibiting dopamine inputs to nucleus accumbens, but not medial prefrontal cortex. Inhibiting dopamine neurons spared the suppressive effect of reward devaluation on reward seeking, an assay of goal-directed behavior. Attempts to retrieve reward persisted after devaluation, indicating they were habitually performed as part of a fixed action sequence. Our findings show that complete bouts of reward seeking and retrieval are behaviorally and neurally dissociable from bouts of reward seeking without retrieval. This dichotomy may prove useful for uncovering mechanisms of maladaptive behavior.
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Affiliation(s)
- Briac Halbout
- Department of Anesthesiology and Perioperative Care, University of California, Irvine, Irvine, United States.,Irvine Center for Addiction Neuroscience, University of California, Irvine, Irvine, United States
| | - Andrew T Marshall
- Department of Anesthesiology and Perioperative Care, University of California, Irvine, Irvine, United States.,Irvine Center for Addiction Neuroscience, University of California, Irvine, Irvine, United States
| | - Ali Azimi
- Department of Anesthesiology and Perioperative Care, University of California, Irvine, Irvine, United States.,Irvine Center for Addiction Neuroscience, University of California, Irvine, Irvine, United States
| | - Mimi Liljeholm
- Department of Cognitive Sciences, University of California, Irvine, Irvine, United States
| | - Stephen V Mahler
- Irvine Center for Addiction Neuroscience, University of California, Irvine, Irvine, United States.,Department of Neurobiology and Behavior, University of California, Irvine, Irvine, United States
| | - Kate M Wassum
- Department of Psychology, University of California, Los Angeles, Los Angeles, United States.,Brain Research Institute, University of California, Los Angeles, Los Angeles, United States
| | - Sean B Ostlund
- Department of Anesthesiology and Perioperative Care, University of California, Irvine, Irvine, United States.,Irvine Center for Addiction Neuroscience, University of California, Irvine, Irvine, United States
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Cortical morphology of chronic users of codeine-containing cough syrups: association with sulcal depth, gyrification, and cortical thickness. Eur Radiol 2019; 29:5901-5909. [DOI: 10.1007/s00330-019-06165-0] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2018] [Revised: 02/19/2019] [Accepted: 03/14/2019] [Indexed: 10/27/2022]
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71
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Chen W, Volkow ND, Li J, Pan Y, Du C. Cocaine Decreases Spontaneous Neuronal Activity and Increases Low-Frequency Neuronal and Hemodynamic Cortical Oscillations. Cereb Cortex 2019; 29:1594-1606. [PMID: 29912298 PMCID: PMC6418395 DOI: 10.1093/cercor/bhy057] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2017] [Revised: 01/28/2018] [Accepted: 02/23/2018] [Indexed: 12/20/2022] Open
Abstract
Low-frequency oscillations (LFOs) in hemodynamics assessed by fMRI reflect synchronized neuronal activities and are the basis for mapping brain function and its disruption by drugs and disease. Here we assess if cocaine disrupts coupling between neuronal and vascular LFOs by simultaneously measuring cortical field potentials (FP) and cerebral blood flow (CBF) regarding their LFOs (0-1 Hz) spectral bandwidths in the somatosensory cortex of naïve and chronic cocaine-exposed rats at baseline and during cocaine intoxication. While across all conditions the dominant oscillation frequencies for FP and CBF LFOs were ~0.1 Hz, the bandwidth of FP LFOs was about 4.8 ± 0.67 times broader than that of CBF LFOs. Acute cocaine depressed high-frequency FP events but increased the relative intensity of neuronal and hemodynamic LFOs, an effect that was markedly accentuated in magnitude and duration in chronic cocaine-exposed animals. Neuronal LFOs were correlated with CBF LFOs in control animals but not in chronically cocaine-exposed animals, which suggests neurovascular uncoupling. The marked increases in neuronal LFOs with chronic cocaine, which we interpret to reflect increases in neuronal synchronization in the LFOs, and the uncoupling of hemodynamics with resting neuronal activities could contribute to brain dysfunction in cocaine abusers and confound the interpretation of fMRI studies.
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Affiliation(s)
- Wei Chen
- Department of Biomedical Engineering, Stony Brook University, Stony Brook, NY, USA
| | - Nora D Volkow
- National Institute on Alcohol Abuse and Alcoholism, National Institutes of Health, Bethesda, MD, USA
| | - James Li
- Department of Biomedical Engineering, Stony Brook University, Stony Brook, NY, USA
| | - Yingtian Pan
- Department of Biomedical Engineering, Stony Brook University, Stony Brook, NY, USA
| | - Congwu Du
- Department of Biomedical Engineering, Stony Brook University, Stony Brook, NY, USA
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Yager LM, Garcia AF, Donckels EA, Ferguson SM. Chemogenetic inhibition of direct pathway striatal neurons normalizes pathological, cue-induced reinstatement of drug-seeking in rats. Addict Biol 2019; 24:251-264. [PMID: 29314464 DOI: 10.1111/adb.12594] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2017] [Revised: 10/27/2017] [Accepted: 11/28/2017] [Indexed: 01/13/2023]
Abstract
Addiction to drugs such as cocaine is marked by cycles of compulsive drug-taking and drug-seeking behavior. Although the transition to addiction is thought to recruit neural processes in dorsal striatum, little is known regarding the role of dorsal striatal projections to the substantia nigra (i.e. the direct pathway) in regulating these behaviors. Combining a Cre-recombinase-dependent chemogenetic approach with a cocaine self-administration paradigm that produces both low-risk and high-risk addiction phenotypes, we examined the effect of transiently decreasing direct pathway activity in the dorsomedial striatum on drug-taking and drug-seeking under conditions of normal and pathological drug use. Surprisingly, transient inhibition of direct pathway striatal neurons had no effect on several measures of addictive behavior during ongoing drug use, including loss of control over drug intake, high motivation to obtain drug and drug use despite negative consequences (i.e. drug use paired with foot shock). However, chemogenetic inhibition of these neurons during reinstatement reduced cue-induced drug-seeking, but only in the high-risk addiction phenotype group. Cue-induced reinstatement was relatively normal in the low-risk addiction phenotype group, as well as following reinstatement to cues associated with sucrose pellet consumption. These results demonstrate that dorsomedial direct pathway striatal neurons play a very specific role in addictive behaviors, which is to regulate the pathological drug-seeking that accompanies relapse.
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Affiliation(s)
- Lindsay M. Yager
- Center for Integrative Brain Research; Seattle Children's Research Institute; Seattle WA USA
| | - Aaron F. Garcia
- Center for Integrative Brain Research; Seattle Children's Research Institute; Seattle WA USA
- Neuroscience Graduate Program University of Washington; Seattle WA USA
| | - Elizabeth A. Donckels
- Center for Integrative Brain Research; Seattle Children's Research Institute; Seattle WA USA
| | - Susan M. Ferguson
- Center for Integrative Brain Research; Seattle Children's Research Institute; Seattle WA USA
- Neuroscience Graduate Program University of Washington; Seattle WA USA
- Department of Psychiatry and Behavioral Sciences; University of Washington; Seattle WA USA
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73
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Involvement of orexin-2 receptor in the ventral tegmental area in stress- and drug priming-induced reinstatement of conditioned place preference in rats. Neurosci Lett 2019; 696:121-126. [DOI: 10.1016/j.neulet.2018.12.029] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2018] [Revised: 12/18/2018] [Accepted: 12/19/2018] [Indexed: 12/23/2022]
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74
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Siciliano CA, Tye KM. Leveraging calcium imaging to illuminate circuit dysfunction in addiction. Alcohol 2019; 74:47-63. [PMID: 30470589 PMCID: PMC7575247 DOI: 10.1016/j.alcohol.2018.05.013] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2018] [Revised: 05/08/2018] [Accepted: 05/28/2018] [Indexed: 12/28/2022]
Abstract
Alcohol and drug use can dysregulate neural circuit function to produce a wide range of neuropsychiatric disorders, including addiction. To understand the neural circuit computations that mediate behavior, and how substances of abuse may transform them, we must first be able to observe the activity of circuits. While many techniques have been utilized to measure activity in specific brain regions, these regions are made up of heterogeneous sub-populations, and assessing activity from neuronal populations of interest has been an ongoing challenge. To fully understand how neural circuits mediate addiction-related behavior, we must be able to reveal the cellular granularity within brain regions and circuits by overlaying functional information with the genetic and anatomical identity of the cells involved. The development of genetically encoded calcium indicators, which can be targeted to populations of interest, allows for in vivo visualization of calcium dynamics, a proxy for neuronal activity, thus providing an avenue for real-time assessment of activity in genetically and anatomically defined populations during behavior. Here, we highlight recent advances in calcium imaging technology, compare the current technology with other state-of-the-art approaches for in vivo monitoring of neural activity, and discuss the strengths, limitations, and practical concerns for observing neural circuit activity in preclinical addiction models.
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Affiliation(s)
- Cody A Siciliano
- The Picower Institute for Learning and Memory, Department of Brain and Cognitive Sciences, Massachusetts Institute of Technology, Cambridge, MA 02139, United States.
| | - Kay M Tye
- The Picower Institute for Learning and Memory, Department of Brain and Cognitive Sciences, Massachusetts Institute of Technology, Cambridge, MA 02139, United States; The Salk Institute for Biological Sciences, 10010 N Torrey Pines Road, La Jolla, CA 92037, United States.
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75
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Ghosh A, Basu D, Khandelwal N, Ahuja CK, Bn S, Rana D. Risk, reversibility and resilience of brain circuitries linked to opioid dependence: A diffusion tensor imaging study of actively opioid-using subjects and three comparison groups. Asian J Psychiatr 2019; 40:107-115. [PMID: 30785033 DOI: 10.1016/j.ajp.2019.02.009] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/03/2018] [Revised: 10/03/2018] [Accepted: 02/12/2019] [Indexed: 10/27/2022]
Abstract
BACKGROUND Drug addiction is linked with micro-structural changes in the fronto-striatal white matter (WM) tracts. However, little is known regarding causality (risk factor for subsequent drug use vs. effect of chronic drug use) and reversibility of such changes. METHODS In this study, 30-direction diffusion tensor imaging (DTI) was used to examine WM integrity of selected fronto-striatal circuitries: the orbito-frontal circuit (OFC), anterior cingulate (AC), inferior frontal circuit (IFC), and genu of corpus callosum (CC-G). Fractional anisotropy (FA) as a measure of WM integrity was compared between actively opioid dependent subjects [OD, N = 30], their non-substance-dependent siblings [SG, N = 30], opioid dependent subjects currently abstinent [AG, N = 15] and non-substance-dependent controls [CG, N = 15] who were gender and handedness-matched. Trait impulsivity and executive functions were also compared. RESULTS Compared to CG, OD group had significantly lower FA in the bilateral IFC and right OFC. Reduced FA in left IFC was also present in SG, when compared to CG, whereas SG had higher FA in the left anterior cingulum than OD. AG had significantly low FA in left IFC and CCG than CG. Trait impulsivity was highest in OD, followed by SG and CG. Non-planning impulsiveness score was significantly correlated with FA of left IFC. OD had impairment in executive functions compared to CG. WM changes in opioid dependence involve fronto-striatal circuits implicated in poor decisional balance and impulsivity. CONCLUSION Changes in Left IFC appear to predate the onset of addiction, conferring vulnerability, and persist during abstinence. Behavioral and neuro-psychological assessments concur with the imaging results.
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Affiliation(s)
- Abhishek Ghosh
- Drug De-Addiction and Treatment Centre, Department of Psychiatry, Postgraduate Institute of Medical Education & Research (PGIMER), Chandigarh, India.
| | - Debasish Basu
- Drug De-Addiction and Treatment Centre, Department of Psychiatry, Postgraduate Institute of Medical Education & Research (PGIMER), Chandigarh, India.
| | - Niranjan Khandelwal
- Department of Radio-Diagnosis and Imaging, Postgraduate Institute of Medical Education & Research (PGIMER), Chandigarh, India.
| | - Chirag Kamal Ahuja
- Department of Radio-Diagnosis and Imaging, Postgraduate Institute of Medical Education & Research (PGIMER), Chandigarh, India.
| | - Subodh Bn
- Drug De-Addiction and Treatment Centre, Department of Psychiatry, Postgraduate Institute of Medical Education & Research (PGIMER), Chandigarh, India.
| | - Devender Rana
- Drug De-Addiction and Treatment Centre, Department of Psychiatry, Postgraduate Institute of Medical Education & Research (PGIMER), Chandigarh, India.
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Effects of long-term high-fat food or methamphetamine intake and serotonin 2C receptors on reversal learning in female rhesus macaques. Neuropsychopharmacology 2019; 44:478-486. [PMID: 30188516 PMCID: PMC6333825 DOI: 10.1038/s41386-018-0200-z] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/05/2018] [Revised: 07/30/2018] [Accepted: 08/23/2018] [Indexed: 12/16/2022]
Abstract
Perseverative behavior has been highly implicated in addiction. Activation of serotonin 2C receptors (5-HT2CRs) attenuates cocaine and high caloric food intake, but whether a 5-HT2CR agonist can reduce high caloric diet (HCD) or methamphetamine (METH) intake and response perseveration remains unknown. Clarifying the role of 5-HT2CRs in these behaviors will improve knowledge of neurochemical processes that regulate flexible decision-making and whether improvements in decision-making are accompanied by decreases in HCD or METH intake. This study evaluated the effects of long-term HCD and METH intake on reversal learning in female rhesus monkeys. The effects of the 5-HT2CR agonist WAY163909 on reversal learning before and after extended HCD or METH intake, and on food intake, was also tested. Moreover, we examined whether the 5-HT2CR is necessary for the effects of WAY163909. WAY163909 was given prior to reversal learning at baseline and after extended HCD or METH intake, and prior to measures of food intake. Extended intake of METH or the HCD increased perseverative errors during reversal. WAY163909 increased correct responses and decreased perseverative errors, both before and after extended HCD or METH intake. Similarly, WAY163909 decreased consumption of a HCD, but not a low caloric diet. The effects of WAY163909 on all these measures were blocked by co-administration with a 5-HT2CR antagonist. These data indicate that long-term HCD or METH intake disrupts flexible decision-making. Further, the results suggest that reductions in food intake produced by WAY163909 are associated with parallel improvements in decision-making strategies, underscoring the role of the 5-HT2CR for these behavioral effects.
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Moore CF, Panciera JI, Sabino V, Cottone P. Neuropharmacology of compulsive eating. Philos Trans R Soc Lond B Biol Sci 2019; 373:rstb.2017.0024. [PMID: 29352024 DOI: 10.1098/rstb.2017.0024] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/04/2017] [Indexed: 12/22/2022] Open
Abstract
Compulsive eating behaviour is a transdiagnostic construct observed in certain forms of obesity and eating disorders, as well as in the proposed construct of 'food addiction'. Compulsive eating can be conceptualized as comprising three elements: (i) habitual overeating, (ii) overeating to relieve a negative emotional state, and (iii) overeating despite adverse consequences. Neurobiological processes that include maladaptive habit formation, the emergence of a negative affect, and dysfunctions in inhibitory control are thought to drive the development and persistence of compulsive eating behaviour. These complex psychobehavioural processes are under the control of various neuropharmacological systems. Here, we describe the current evidence implicating these systems in compulsive eating behaviour, and contextualize them within the three elements. A better understanding of the neuropharmacological substrates of compulsive eating behaviour has the potential to significantly advance the pharmacotherapy for feeding-related pathologies.This article is part of a discussion meeting issue 'Of mice and mental health: facilitating dialogue between basic and clinical neuroscientists'.
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Affiliation(s)
- Catherine F Moore
- Laboratory of Addictive Disorders, Departments of Pharmacology and Psychiatry, Boston University School of Medicine, 72 E. Concord Street, R-618, Boston, MA 02118, USA.,Graduate Program for Neuroscience, Boston University School of Medicine, 72 E. Concord Street, R-618, Boston, MA 02118, USA
| | - Julia I Panciera
- Laboratory of Addictive Disorders, Departments of Pharmacology and Psychiatry, Boston University School of Medicine, 72 E. Concord Street, R-618, Boston, MA 02118, USA.,MS in Medical Sciences Program, Graduate Medical Sciences, Boston University School of Medicine, 72 E. Concord Street, R-618, Boston, MA 02118, USA.,Master of Public Health Program, Department of Health Policy and Management, Boston University School of Public Health, 715 Albany Street, Boston, MA, USA
| | - Valentina Sabino
- Laboratory of Addictive Disorders, Departments of Pharmacology and Psychiatry, Boston University School of Medicine, 72 E. Concord Street, R-618, Boston, MA 02118, USA
| | - Pietro Cottone
- Laboratory of Addictive Disorders, Departments of Pharmacology and Psychiatry, Boston University School of Medicine, 72 E. Concord Street, R-618, Boston, MA 02118, USA
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78
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Kräplin A, Scherbaum S, Bühringer G, Goschke T. Decision-making and inhibitory control after smoking-related priming in nicotine dependent smokers and never-smokers. Addict Behav 2019; 88:114-121. [PMID: 30176499 DOI: 10.1016/j.addbeh.2018.08.020] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2018] [Revised: 07/27/2018] [Accepted: 08/14/2018] [Indexed: 11/15/2022]
Abstract
Impaired decision-making and inhibitory control are important characteristics of nicotine dependence (ND). We aimed to test 1) the effects of smoking-related priming cues on subsequent decision-making and inhibitory control in ND and 2) how these priming effects are related to valence ratings, nicotine deprivation and craving. A sample of 27 smokers with ND according to DSM-IV and a control group of 33 never-smokers performed an intertemporal choice task and a go/no-go task. Before each trial of the tasks, a priming cue appeared that was either smoking-related or neutral. Valence ratings, nicotine deprivation and craving were assessed with self-reports. After smoking-related compared to neutral primes, the ND group exhibited increased delay discounting (β = 0.07, 95% confidence-interval (CI): 0.01-0.14) and shorter go reaction times (β = -0.13, CI: -0.32 to -0.01) compared to the never-smoker group. The speed-up in go trials after smoking-related compared to neutral cues was significantly related to more pleasant valence ratings (β = 0.07, CI:0.01-0.13), a longer time since last cigarette (β = -0.17, CI:-0.30 to -0.03), and increased craving (β = -0.19, CI: -0.33 to -0.06) within the ND group. We found evidence for small group effects indicating that individuals with ND compared to never-smokers decide more dysfunctional and react faster after smoking-related compared to neutral cues. Faster reactions after smoking-related cues within the ND group, especially in states of increased nicotine deprivation and craving, without more errors could be explained by an increased attentional focus. Cue-induced alterations in decision-making and inhibitory control in ND highly depend on the temporal sequence of cue presentation.
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Affiliation(s)
- Anja Kräplin
- Faculty of Psychology, Technische Universität Dresden, Germany.
| | | | - Gerhard Bühringer
- Faculty of Psychology, Technische Universität Dresden, Germany; IFT Institut für Therapieforschung, Munich, Germany
| | - Thomas Goschke
- Faculty of Psychology, Technische Universität Dresden, Germany
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79
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Moningka H, Lichenstein S, Worhunsky PD, DeVito EE, Scheinost D, Yip SW. Can neuroimaging help combat the opioid epidemic? A systematic review of clinical and pharmacological challenge fMRI studies with recommendations for future research. Neuropsychopharmacology 2019; 44:259-273. [PMID: 30283002 PMCID: PMC6300537 DOI: 10.1038/s41386-018-0232-4] [Citation(s) in RCA: 43] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/12/2018] [Revised: 09/11/2018] [Accepted: 09/18/2018] [Indexed: 02/04/2023]
Abstract
The current opioid epidemic is an urgent public health problem, with enormous individual, societal, and healthcare costs. Despite effective, evidence-based treatments, there is significant individual variability in treatment responses and relapse rates are high. In addition, the neurobiology of opioid-use disorder (OUD) and its treatment is not well understood. This review synthesizes published fMRI literature relevant to OUD, with an emphasis on findings related to opioid medications and treatment, and proposes areas for further research. We conducted a systematic literature review of Medline and Psychinfo to identify (i) fMRI studies comparing OUD and control participants; (ii) studies related to medication, treatment, abstinence or withdrawal effects in OUD; and (iii) studies involving manipulation of the opioid system in healthy individuals. Following application of exclusionary criteria (e.g., insufficient sample size), 45 studies were retained comprising data from ~1400 individuals. We found convergent evidence that individuals with OUD display widespread heightened neural activation to heroin cues. This pattern is potentiated by heroin, attenuated by medication-assisted treatments for opioids, predicts treatment response, and is reduced following extended abstinence. Nonetheless, there is a paucity of literature examining neural characteristics of OUD and its treatment. We discuss limitations of extant research and identify critical areas for future neuroimaging studies, including the urgent need for studies examining prescription opioid users, assessing sex differences and utilizing a wider range of clinically relevant task-based fMRI paradigms across different stages of addiction.
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Affiliation(s)
- Hestia Moningka
- Department of Psychiatry, Yale School of Medicine, New Haven, CT, 06510, USA
| | - Sarah Lichenstein
- Yale School of Medicine, Radiology and Bioimaging Sciences, New Haven, CT, 06510, USA
| | - Patrick D Worhunsky
- Department of Psychiatry, Yale School of Medicine, New Haven, CT, 06510, USA
| | - Elise E DeVito
- Department of Psychiatry, Yale School of Medicine, New Haven, CT, 06510, USA
| | - Dustin Scheinost
- Yale School of Medicine, Radiology and Bioimaging Sciences, New Haven, CT, 06510, USA
| | - Sarah W Yip
- Department of Psychiatry, Yale School of Medicine, New Haven, CT, 06510, USA.
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Solinas M, Belujon P, Fernagut PO, Jaber M, Thiriet N. Dopamine and addiction: what have we learned from 40 years of research. J Neural Transm (Vienna) 2018; 126:481-516. [PMID: 30569209 DOI: 10.1007/s00702-018-1957-2] [Citation(s) in RCA: 74] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2018] [Accepted: 11/17/2018] [Indexed: 12/22/2022]
Abstract
Among the neurotransmitters involved in addiction, dopamine (DA) is clearly the best known. The critical role of DA in addiction is supported by converging evidence that has been accumulated in the last 40 years. In the present review, first we describe the dopaminergic system in terms of connectivity, functioning and involvement in reward processes. Second, we describe the functional, structural, and molecular changes induced by drugs within the DA system in terms of neuronal activity, synaptic plasticity and transcriptional and molecular adaptations. Third, we describe how genetic mouse models have helped characterizing the role of DA in addiction. Fourth, we describe the involvement of the DA system in the vulnerability to addiction and the interesting case of addiction DA replacement therapy in Parkinson's disease. Finally, we describe how the DA system has been targeted to treat patients suffering from addiction and the result obtained in clinical settings and we discuss how these different lines of evidence have been instrumental in shaping our understanding of the physiopathology of drug addiction.
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Affiliation(s)
- Marcello Solinas
- Université de Poitiers, INSERM, U-1084, Laboratoire de Neurosciences Expérimentales et Cliniques, Poitiers, France.
| | - Pauline Belujon
- Université de Poitiers, INSERM, U-1084, Laboratoire de Neurosciences Expérimentales et Cliniques, Poitiers, France
| | - Pierre Olivier Fernagut
- Université de Poitiers, INSERM, U-1084, Laboratoire de Neurosciences Expérimentales et Cliniques, Poitiers, France
| | - Mohamed Jaber
- Université de Poitiers, INSERM, U-1084, Laboratoire de Neurosciences Expérimentales et Cliniques, Poitiers, France
- CHU de Poitiers, Poitiers, France
| | - Nathalie Thiriet
- Université de Poitiers, INSERM, U-1084, Laboratoire de Neurosciences Expérimentales et Cliniques, Poitiers, France
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Efficacy of Invasive and Non-Invasive Brain Modulation Interventions for Addiction. Neuropsychol Rev 2018; 29:116-138. [PMID: 30536145 PMCID: PMC6499746 DOI: 10.1007/s11065-018-9393-5] [Citation(s) in RCA: 63] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2017] [Accepted: 11/08/2018] [Indexed: 12/14/2022]
Abstract
It is important to find new treatments for addiction due to high relapse rates despite current interventions and due to expansion of the field with non-substance related addictive behaviors. Neuromodulation may provide a new type of treatment for addiction since it can directly target abnormalities in neurocircuits. We review literature on five neuromodulation techniques investigated for efficacy in substance related and behavioral addictions: transcranial direct current stimulation (tDCS), (repetitive) transcranial magnetic stimulation (rTMS), EEG, fMRI neurofeedback and deep brain stimulation (DBS) and additionally report on effects of these interventions on addiction-related cognitive processes. While rTMS and tDCS, mostly applied at the dorsolateral prefrontal cortex, show reductions in immediate craving for various addictive substances, placebo-responses are high and long-term outcomes are understudied. The lack in well-designed EEG-neurofeedback studies despite decades of investigation impedes conclusions about its efficacy. Studies investigating fMRI neurofeedback are new and show initial promising effects on craving, but future trials are needed to investigate long-term and behavioral effects. Case studies report prolonged abstinence of opioids or alcohol with ventral striatal DBS but difficulties with patient inclusion may hinder larger, controlled trials. DBS in neuropsychiatric patients modulates brain circuits involved in reward processing, extinction and negative-reinforcement that are also relevant for addiction. To establish the potential of neuromodulation for addiction, more randomized controlled trials are needed that also investigate treatment duration required for long-term abstinence and potential synergy with other addiction interventions. Finally, future advancement may be expected from tailoring neuromodulation techniques to specific patient (neurocognitive) profiles.
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82
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Dong G, Zheng H, Liu X, Wang Y, Du X, Potenza MN. Gender-related differences in cue-elicited cravings in Internet gaming disorder: The effects of deprivation. J Behav Addict 2018; 7:953-964. [PMID: 30556781 PMCID: PMC6376376 DOI: 10.1556/2006.7.2018.118] [Citation(s) in RCA: 42] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/19/2023] Open
Abstract
BACKGROUND Online gaming has become a popular leisure activity, in which males more frequently develop Internet gaming disorder (IGD) compared to females. However, gender-related neurocognitive differences have largely not been systematically investigated in IGD. METHODS Cue-elicited-craving tasks were performed before game playing and immediately after deprivation operationalized as a forced break from gaming when the Internet was disconnected. Ninety-nine subjects with IGD (27 males and 22 females) or recreational game use (RGU; 27 males and 23 females) provided functional MRI and subjective data. Analyses investigating effects of group (IGD and RGU) × gender (male and female) at different times (pre-gaming, post-gaming, and post-pre) on cue-elicited craving and brain responses were performed. Correlations between brain responses and subjective measures were calculated. RESULTS In pre-, post-, and post-pre tests, significant gender-by-group interactions (p < .001, cluster size > 15 voxels) were observed in the left dorsolateral prefrontal cortex (DLPFC). Further analyses of the DLPFC cluster showed that in post-pre comparisons, results were related to less engagement of the DLPFC in IGD, especially in females. In addition, at post-test, significant interactions were observed in the caudate, as females with IGD showed greater activation as compared to those with RGU. DISCUSSION The results raise the possibility that women with RGU may show better executive control than men when facing gaming cues, which may provide resiliency against developing IGD; however, once they develop IGD, their gaming may impair their executive control and enhance their cravings for gaming, which may make it more difficult to quit gaming.
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Affiliation(s)
- Guangheng Dong
- School of Psychology, Fujian Normal University, Fuzhou, P. R. China,Corresponding authors: Prof. Guangheng Dong, PhD; School of Psychology, Fujian Normal University, 1 Keji Road, Fujian Province, Fuzhou 321004, P. R. China; Phone: +86 158 6794 9909; Fax: +86 579 8228 2549; E-mail: ; Prof. Marc N. Potenza, PhD, MD; Department of Psychiatry and Neurobiology, Child Study Center, Yale University School of Medicine, 1 Church Street, New Haven, CT 06511, USA; Phone: +1 203 737 3553; Fax: +1 203 737 3591; E-mail:
| | - Hui Zheng
- Institute of Psychological and Brain Sciences, Zhejiang Normal University, Jinhua, P. R. China
| | - Xiaoyue Liu
- Institute of Psychological and Brain Sciences, Zhejiang Normal University, Jinhua, P. R. China
| | - Yifan Wang
- School of Psychology and Cognitive Science, East China Normal University, Shanghai, P. R. China
| | - Xiaoxia Du
- Department of Physics, Shanghai Key Laboratory of Magnetic Resonance, East China Normal University, Shanghai, P. R. China
| | - Marc N. Potenza
- Department of Psychiatry and Neurobiology, Child Study Center, Yale University School of Medicine, New Haven, CT, USA,Connecticut Council on Problem Gambling, Wethersfield, CT, USA,National Center on Addiction and Substance Abuse, Yale University School of Medicine, New Haven, CT, USA,Connecticut Mental Health Center, New Haven, CT, USA,Corresponding authors: Prof. Guangheng Dong, PhD; School of Psychology, Fujian Normal University, 1 Keji Road, Fujian Province, Fuzhou 321004, P. R. China; Phone: +86 158 6794 9909; Fax: +86 579 8228 2549; E-mail: ; Prof. Marc N. Potenza, PhD, MD; Department of Psychiatry and Neurobiology, Child Study Center, Yale University School of Medicine, 1 Church Street, New Haven, CT 06511, USA; Phone: +1 203 737 3553; Fax: +1 203 737 3591; E-mail:
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83
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Sabzevari S, Rohbani K, Sadat-Shirazi MS, Babhadi-Ashar N, Shakeri A, Ashabi G, Khalifeh S, Ale-Ebrahim M, Zarrindast MR. Morphine exposure before conception affects anxiety-like behavior and CRF level (in the CSF and plasma) in the adult male offspring. Brain Res Bull 2018; 144:122-131. [PMID: 30503221 DOI: 10.1016/j.brainresbull.2018.11.022] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2018] [Revised: 11/11/2018] [Accepted: 11/27/2018] [Indexed: 02/03/2023]
Abstract
It has been proven that exposure to some drugs even before gestation had transgenerational effects. To investigate the changes which induced by parental morphine exposure before gestation; mainly the anxiety-like behavior, Corticotropin Releasing Factor (CRF) level in the CSF and plasma, CRF Receptor 1 (CRFR1), and the level of protein kinase C (PKC-α) were evaluated in the male offspring. Male and female Wistar rats were exposed to morphine for 21 following days. Ten days after last drug exposure, animals were prepared for mating in 4 distinct groups as follow: drug-naïve female and male (used as control), drug-naïve female and morphine-abstinent male, drug-naïve male and morphine-abstinent female, and morphine abstinent male and female. Offspring were subjected to assess anxiety-like behavior (using elevated plus maze test). CSF and plasma were gathered, and the CRF level was evaluated by ELISA. Using real-time PCR, the CRFR1 level in the brain was evaluated. Results showed that anxiety-like behavior increased in the offspring of morphine-abstinent parent(s) compared with the control group. CRF level in the plasma and CSF also increased in the litter of morphine-abstinent parent(s). CRFR1 mRNA level was upregulated in the brain of offspring with one and/or two morphine-abstinent parent(s). Furthermore, the level of PKC-α was decreased in the brain of offspring which had one and/or two morphine-abstinent parent(s). Taken together, our findings indicated that morphine exposure even before gestation induced transgenerational effects via dysregulation of HPA axis which results in anxiety in the adult male offspring.
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Affiliation(s)
- Saba Sabzevari
- Department of Molecular and Cellular Sciences, Faculty of Advanced Sciences and Technology, Pharmaceutical Sciences Branch, Islamic Azad University, Tehran, Iran
| | - Kiyana Rohbani
- Department of Molecular and Cellular Sciences, Faculty of Advanced Sciences and Technology, Pharmaceutical Sciences Branch, Islamic Azad University, Tehran, Iran
| | - Mitra-Sadat Sadat-Shirazi
- Iranian National Center for Addiction Studies, Tehran University of Medical Sciences, Tehran, Iran; Department of Neuroscience and Addiction Studies, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Nima Babhadi-Ashar
- Iranian National Center for Addiction Studies, Tehran University of Medical Sciences, Tehran, Iran
| | - Atena Shakeri
- Iranian National Center for Addiction Studies, Tehran University of Medical Sciences, Tehran, Iran
| | - Ghorbangol Ashabi
- Department of Physiology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Solmaz Khalifeh
- Cognitive and Neuroscience Research Center (CNRC), Amir-Almomenin Hospital, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
| | - Mahsa Ale-Ebrahim
- Department of Molecular and Cellular Sciences, Faculty of Advanced Sciences and Technology, Pharmaceutical Sciences Branch, Islamic Azad University, Tehran, Iran
| | - Mohammad-Reza Zarrindast
- Iranian National Center for Addiction Studies, Tehran University of Medical Sciences, Tehran, Iran; Department of Pharmacology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran; Endocrinology and Metabolism Research Institute, Tehran University of Medical Science, Tehran, Iran.
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84
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Kirschner M, Sladky R, Haugg A, Stämpfli P, Jehli E, Hodel M, Engeli E, Hösli S, Baumgartner MR, Sulzer J, Huys QJM, Seifritz E, Quednow BB, Scharnowski F, Herdener M. Self-regulation of the dopaminergic reward circuit in cocaine users with mental imagery and neurofeedback. EBioMedicine 2018; 37:489-498. [PMID: 30377073 PMCID: PMC6286189 DOI: 10.1016/j.ebiom.2018.10.052] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2018] [Revised: 10/21/2018] [Accepted: 10/22/2018] [Indexed: 01/23/2023] Open
Abstract
BACKGROUND Enhanced drug-related reward sensitivity accompanied by impaired sensitivity to non-drug related rewards in the mesolimbic dopamine system are thought to underlie the broad motivational deficits and dysfunctional decision-making frequently observed in cocaine use disorder (CUD). Effective approaches to modify this imbalance and reinstate non-drug reward responsiveness are urgently needed. Here, we examined whether cocaine users (CU) can use mental imagery of non-drug rewards to self-regulate the ventral tegmental area and substantia nigra (VTA/SN). We expected that obsessive and compulsive thoughts about cocaine consumption would hamper the ability to self-regulate the VTA/SN activity and tested if real-time fMRI (rtfMRI) neurofeedback (NFB) can improve self-regulation of the VTA/SN. METHODS Twenty-two CU and 28 healthy controls (HC) were asked to voluntarily up-regulate VTA/SN activity with non-drug reward imagery alone, or combined with rtfMRI NFB. RESULTS On a group level, HC and CU were able to activate the dopaminergic midbrain and other reward regions with reward imagery. In CU, the individual ability to self-regulate the VTA/SN was reduced in those with more severe obsessive-compulsive drug use. NFB enhanced the effect of reward imagery but did not result in transfer effects at the end of the session. CONCLUSION CU can voluntary activate their reward system with non-drug reward imagery and improve this ability with rtfMRI NFB. Combining mental imagery and rtFMRI NFB has great potential for modifying the maladapted reward sensitivity and reinstating non-drug reward responsiveness. This motivates further work to examine the use of rtfMRI NFB in the treatment of CUD.
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Affiliation(s)
- Matthias Kirschner
- Center for Addictive Disorders, Department of Psychiatry, Psychotherapy and Psychosomatics, Psychiatric Hospital, University of Zurich, Switzerland; Department of Psychiatry, Psychotherapy and Psychosomatics, Psychiatric Hospital, University of Zurich, Switzerland.
| | - Ronald Sladky
- Department of Psychiatry, Psychotherapy and Psychosomatics, Psychiatric Hospital, University of Zurich, Switzerland
| | - Amelie Haugg
- Department of Psychiatry, Psychotherapy and Psychosomatics, Psychiatric Hospital, University of Zurich, Switzerland; Neuroscience Center Zurich, University of Zurich and Swiss Federal Institute of Technology, Switzerland
| | - Philipp Stämpfli
- Department of Psychiatry, Psychotherapy and Psychosomatics, Psychiatric Hospital, University of Zurich, Switzerland
| | - Elisabeth Jehli
- Department of Psychiatry, Psychotherapy and Psychosomatics, Psychiatric Hospital, University of Zurich, Switzerland
| | - Martina Hodel
- Department of Psychiatry, Psychotherapy and Psychosomatics, Psychiatric Hospital, University of Zurich, Switzerland
| | - Etna Engeli
- Center for Addictive Disorders, Department of Psychiatry, Psychotherapy and Psychosomatics, Psychiatric Hospital, University of Zurich, Switzerland
| | - Sarah Hösli
- Center for Addictive Disorders, Department of Psychiatry, Psychotherapy and Psychosomatics, Psychiatric Hospital, University of Zurich, Switzerland
| | - Markus R Baumgartner
- Center for Forensic Hair Analysis, Institute of Forensic Medicine, University of Zurich, Switzerland
| | - James Sulzer
- Department of Mechanical Engineering, University of Texas at Austin, TX, USA
| | - Quentin J M Huys
- Center for Addictive Disorders, Department of Psychiatry, Psychotherapy and Psychosomatics, Psychiatric Hospital, University of Zurich, Switzerland; Department of Psychiatry, Psychotherapy and Psychosomatics, Psychiatric Hospital, University of Zurich, Switzerland; Translational Neuromodeling Unit, Institute of Biomedical Engineering, University of Zurich and ETH, Zurich, Switzerland
| | - Erich Seifritz
- Department of Psychiatry, Psychotherapy and Psychosomatics, Psychiatric Hospital, University of Zurich, Switzerland
| | - Boris B Quednow
- Experimental and Clinical Pharmacopsychology, Department of Psychiatry, Psychotherapy and Psychosomatics, Psychiatric Hospital, University of Zurich, Switzerland; Neuroscience Center Zurich, University of Zurich and Swiss Federal Institute of Technology, Switzerland; Zurich Center for Integrative Human Physiology, University of Zurich, Switzerland
| | - Frank Scharnowski
- Department of Psychiatry, Psychotherapy and Psychosomatics, Psychiatric Hospital, University of Zurich, Switzerland; Neuroscience Center Zurich, University of Zurich and Swiss Federal Institute of Technology, Switzerland; Zurich Center for Integrative Human Physiology, University of Zurich, Switzerland; Department of Basic Psychological Research and Research Methods, Faculty of Psychology, University of Vienna, Vienna, Austria
| | - Marcus Herdener
- Center for Addictive Disorders, Department of Psychiatry, Psychotherapy and Psychosomatics, Psychiatric Hospital, University of Zurich, Switzerland; Department of Psychiatry, Psychotherapy and Psychosomatics, Psychiatric Hospital, University of Zurich, Switzerland
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Sadat-Shirazi MS, Zarrindast MR, Daneshparvar H, Ziaie A, Fekri M, Abbasnezhad E, Ashabi G, Khalifeh S, Vousooghi N. Alteration of dopamine receptors subtypes in the brain of opioid abusers: A postmortem study in Iran. Neurosci Lett 2018; 687:169-176. [DOI: 10.1016/j.neulet.2018.09.043] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2018] [Revised: 06/30/2018] [Accepted: 09/21/2018] [Indexed: 01/11/2023]
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86
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Gil-Miravet I, Guarque-Chabrera J, Carbo-Gas M, Olucha-Bordonau F, Miquel M. The role of the cerebellum in drug-cue associative memory: functional interactions with the medial prefrontal cortex. Eur J Neurosci 2018; 50:2613-2622. [PMID: 30280439 DOI: 10.1111/ejn.14187] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2018] [Revised: 06/14/2018] [Accepted: 06/28/2018] [Indexed: 01/04/2023]
Abstract
Drug-induced Pavlovian memories are thought to be crucial for drug addiction because they guide behaviour towards environments with drug availability. Drug-related memory depends on persistent changes in dopamine-glutamate interactions in the medial prefrontal cortex (mPFC), basolateral amygdala, nucleus accumbens core and hippocampus. Recent evidence from our laboratory indicated that the cerebellum is also a relevant node for drug-cue associations. In the present study, we tested the role that specific regions of the cerebellum and mPFC play in the acquisition of cocaine-induced preference conditioning. Quinolinic acid was used to manage a permanent deactivation of lobule VIII in the vermis prior to conditioning. Additionally, lidocaine was infused into the prelimbic and infralimbic (IL) cortices for reversible deactivation before every training session. The present findings show, for the first time, that the cerebellum and mPFC might act together in order to acquire drug-cue Pavlovian associations. Either a dorsal lesion in lobule VIII or an IL deactivation encouraged cocaine-induced preference conditioning. Moreover, simultaneous IL-cerebellar deactivation prevented the effect of either of the separate deactivations. Therefore, similar to the IL cortex, neural activity in the cerebellum may be crucial for ensuring inhibitory control of the expression of cocaine-related memories.
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Affiliation(s)
- Isis Gil-Miravet
- Área de Psicobiología, Universitat Jaume I, Castellón de la Plana, Spain
| | | | - Maria Carbo-Gas
- Área de Psicobiología, Universitat Jaume I, Castellón de la Plana, Spain.,INSERM U1215, Pathophysiology of Addiction, NeuroCentre Magendie, Bordeaux, France
| | | | - Marta Miquel
- Área de Psicobiología, Universitat Jaume I, Castellón de la Plana, Spain
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Food addiction linked to changes in ventral striatum functional connectivity between fasting and satiety. Appetite 2018; 133:18-23. [PMID: 30312737 DOI: 10.1016/j.appet.2018.10.009] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2018] [Revised: 10/08/2018] [Accepted: 10/08/2018] [Indexed: 01/07/2023]
Abstract
INTRODUCTION The concept of "food addiction" (FA) has gained popularity in view of clinical and neurobiological overlaps between excessive food intake and addictive disorders. However, no studies have examined the link between FA and striatocortical circuits involved in addictive disorders, or the influence of homeostatic status, which regulates the drive to eat, on these systems. This study aims to investigate changes in striatal functional connectivity between fasted and fed conditions among adults ranging in body mass index (BMI) and FA symptoms. METHODS Thirty adults were recruited from the general community and completed self-reported surveys including demographics, FA symptoms using the Yale Food Addiction Scale, as well as height and weight measures, used to determine BMI. Participants completed two 3-T MRI scans, one in a fasted state and one in a fed state. We conducted seed-based analyses to examine between-session ("fasted > fed") change in resting-state functional connectivity of the ventral and dorsal striatum, and its association with FA scores (controlling for BMI). RESULTS Higher symptoms of FA correlated with greater changes in ventral caudate-hippocampus connectivity between fasted and fed conditions. FA symptoms did not correlate with connectivity in the dorsal caudate circuit. Post-hoc analyses revealed that participants with higher symptoms of FA had ventral caudate-hippocampus hyperconnectivity in the fasted scan only, as well as a significant reduction of this connectivity between the fasted and fed scans. CONCLUSIONS Heightened connectivity in the ventral striatum during a fasted state, which has been linked to reward prediction signals, underpins symptoms of FA. In contrast, connectivity in the dorsal striatum or "habit" system is unrelated to homeostatic status and FA symptoms, and is thus less relevant for subclinical manifestations of FA.
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88
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Jadhav KS, Peterson VL, Halfon O, Ahern G, Fouhy F, Stanton C, Dinan TG, Cryan JF, Boutrel B. Gut microbiome correlates with altered striatal dopamine receptor expression in a model of compulsive alcohol seeking. Neuropharmacology 2018; 141:249-259. [DOI: 10.1016/j.neuropharm.2018.08.026] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2018] [Revised: 08/21/2018] [Accepted: 08/22/2018] [Indexed: 02/06/2023]
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Bari A, DiCesare J, Babayan D, Runcie M, Sparks H, Wilson B. Neuromodulation for substance addiction in human subjects: A review. Neurosci Biobehav Rev 2018; 95:33-43. [PMID: 30268433 DOI: 10.1016/j.neubiorev.2018.09.013] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2018] [Revised: 08/11/2018] [Accepted: 09/20/2018] [Indexed: 12/22/2022]
Abstract
Substance abuse is one of the most prevalent and costly health problems in the world today. Standard medical therapy is often not curative, and relapse is common. Research over the past several decades on the neural underpinnings of addiction has implicated a network of structures within the brain shown to be altered in patients with substance abuse. The field of neuromodulation aims to utilize this knowledge to treat dysfunctional circuits by targeting and modulating specific brain circuits. While invasive neuromodulation such as DBS and VNS have proven to be effective in treating movement disorders, OCD and epilepsy, there is increasing interest and data with regards to its potential application for the treatment of severe, intractable addiction. Several neuromodulatory techniques and brain targets are currently under investigation in patients with various substance abuse disorders. This review aims to summarize the current state of evidence for neurosurgical neuromodulation as a therapy for substance abuse and addiction, and to provide additional expert opinions as to the obstacles and future directions of this endeavor.
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Affiliation(s)
- Ausaf Bari
- Department of Neurosurgery, University of California, Los Angeles 300 Stein Plaza Driveway #420, Los Angeles, CA 90095, United States
| | - Jasmine DiCesare
- Department of Neurosurgery, University of California, Los Angeles 300 Stein Plaza Driveway #420, Los Angeles, CA 90095, United States
| | - Diana Babayan
- Department of Neurosurgery, University of California, Los Angeles 300 Stein Plaza Driveway #420, Los Angeles, CA 90095, United States
| | - Mariama Runcie
- School of Medicine, University of California, Los Angeles 10833 Le Conte Ave, Los Angeles, CA 90095, United States
| | - Hiro Sparks
- School of Medicine, University of California, Los Angeles 10833 Le Conte Ave, Los Angeles, CA 90095, United States
| | - Bayard Wilson
- Department of Neurosurgery, University of California, Los Angeles 300 Stein Plaza Driveway #420, Los Angeles, CA 90095, United States.
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90
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Yuan K, Yu D, Zhao M, Li M, Wang R, Li Y, Manza P, Shokri-Kojori E, Wiers CE, Wang GJ, Tian J. Abnormal frontostriatal tracts in young male tobacco smokers. Neuroimage 2018; 183:346-355. [PMID: 30130644 DOI: 10.1016/j.neuroimage.2018.08.046] [Citation(s) in RCA: 43] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2018] [Revised: 08/16/2018] [Accepted: 08/17/2018] [Indexed: 12/21/2022] Open
Abstract
Dysfunctions in frontostriatal circuits have been associated with craving and cognitive control in smokers. However, the relevance of white matter (WM) diffusion properties of the ventral and dorsal frontostriatal tracts for behaviors associated with smoking remains relatively unknown, especially in young adulthood, a critical time period for the development and maintenance of addiction. Here, diffusion tensor imaging (DTI) and probabilistic tractography were used to investigate the WM tracts of the ventral and dorsal frontostriatal circuits in two independent studies (Study1: 36 male smokers (21.3 ± 1.3 years) vs. 35 male nonsmokers (21.2 ± 1.3 years); Study2: 29 male smokers (21.4 ± 1.1 years) vs. 25 male nonsmokers (21.0 ± 1.4 years)). Subjective craving was measured by the Questionnaire on Smoking Urges (QSU) and cognitive control ability was assessed with the Stroop task. In both studies, smokers committed more response errors than nonsmokers during the incongruent condition of the Stroop task. Relative to controls, smokers showed lower fractional anisotropy (FA) and higher radial diffusivity in left medial orbitofrontal cortex-to-nucleus accumbens fiber tracts (ventral frontostriatal path) and also lower FA in right dorsolateral prefrontal cortex-to-caudate fiber tracts (dorsal frontostriatal path). The FA values of the right dorsal fibers were negatively correlated with incongruent response Stroop errors in smokers, whereas the mean diffusivity values of the left ventral fibers were positively correlated with craving in smokers. Thus, WM diffusion properties of the dorsal and ventral frontostriatal tracts were associated with cognitive control and craving, respectively, in young male tobacco smokers. These data highlight the importance of studying WM in relation to neuropsychological changes underlying smoking.
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Affiliation(s)
- Kai Yuan
- School of Life Science and Technology, Xidian University, Xi'an, Shaanxi, 710071, PR China; Laboratory of Neuroimaging, National Institute on Alcoholism and Alcohol Abuse, Bethesda, MD, 20892, USA; Engineering Research Center of Molecular and Neuro Imaging Ministry of Education, Xi'an, Shaanxi, 710071, PR China; Information Processing Laboratory, School of Information Engineering, Inner Mongolia University of Science and Technology, Baotou, Inner Mongolia, 014010, PR China; Guangxi Key Laboratory of Multi-Source Information Mining and Security, Guangxi Normal University, Guilin, Guangxi, 541004, PR China.
| | - Dahua Yu
- Information Processing Laboratory, School of Information Engineering, Inner Mongolia University of Science and Technology, Baotou, Inner Mongolia, 014010, PR China
| | - Meng Zhao
- School of Life Science and Technology, Xidian University, Xi'an, Shaanxi, 710071, PR China; Engineering Research Center of Molecular and Neuro Imaging Ministry of Education, Xi'an, Shaanxi, 710071, PR China
| | - Min Li
- School of Life Science and Technology, Xidian University, Xi'an, Shaanxi, 710071, PR China; Engineering Research Center of Molecular and Neuro Imaging Ministry of Education, Xi'an, Shaanxi, 710071, PR China
| | - Ruonan Wang
- School of Life Science and Technology, Xidian University, Xi'an, Shaanxi, 710071, PR China; Engineering Research Center of Molecular and Neuro Imaging Ministry of Education, Xi'an, Shaanxi, 710071, PR China
| | - Yangding Li
- Guangxi Key Laboratory of Multi-Source Information Mining and Security, Guangxi Normal University, Guilin, Guangxi, 541004, PR China
| | - Peter Manza
- Laboratory of Neuroimaging, National Institute on Alcoholism and Alcohol Abuse, Bethesda, MD, 20892, USA
| | - Ehsan Shokri-Kojori
- Laboratory of Neuroimaging, National Institute on Alcoholism and Alcohol Abuse, Bethesda, MD, 20892, USA
| | - Corinde E Wiers
- Laboratory of Neuroimaging, National Institute on Alcoholism and Alcohol Abuse, Bethesda, MD, 20892, USA
| | - Gene-Jack Wang
- Laboratory of Neuroimaging, National Institute on Alcoholism and Alcohol Abuse, Bethesda, MD, 20892, USA
| | - Jie Tian
- School of Life Science and Technology, Xidian University, Xi'an, Shaanxi, 710071, PR China; Engineering Research Center of Molecular and Neuro Imaging Ministry of Education, Xi'an, Shaanxi, 710071, PR China; Institute of Automation, Chinese Academy of Sciences, Beijing, 100190, PR China.
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Functional Connectivity of Chronic Cocaine Use Reveals Progressive Neuroadaptations in Neocortical, Striatal, and Limbic Networks. eNeuro 2018; 5:eN-NWR-0081-18. [PMID: 30073194 PMCID: PMC6071197 DOI: 10.1523/eneuro.0081-18.2018] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2018] [Revised: 06/25/2018] [Accepted: 07/10/2018] [Indexed: 12/21/2022] Open
Abstract
Brain imaging studies indicate that chronic cocaine users display altered functional connectivity between prefrontal cortical, thalamic, striatal, and limbic regions; however, the use of cross-sectional designs in these studies precludes measuring baseline brain activity prior to cocaine use. Animal studies can circumvent this limitation by comparing functional connectivity between baseline and various time points after chronic cocaine use. In the present study, adult male Long–Evans rats were trained to self-administer cocaine intravenously for 6 h sessions daily over 14 consecutive days. Two additional groups serving as controls underwent sucrose self-administration or exposure to the test chambers alone. Functional magnetic resonance imaging was conducted before self-administration and after 1 and 14 d of abstinence (1d and 14d Abs). After 1d Abs from cocaine, there were increased clustering coefficients in brain areas involved in reward seeking, learning, memory, and autonomic and affective processing, including amygdala, hypothalamus, striatum, hippocampus, and thalamus. Similar changes in clustering coefficient after 1d Abs from sucrose were evident in predominantly thalamic brain regions. Notably, there were no changes in strength of functional connectivity at 1 or 14 d after either cocaine or sucrose self-administration. The results suggest that cocaine and sucrose can change the arrangement of functional connectivity of brain regions involved in cognition and emotion, but that these changes dissipate across the early stages of abstinence. The study also emphasizes the importance of including baseline measures in longitudinal functional neuroimaging designs seeking to assess functional connectivity in the context of substance use.
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Zois E, Kiefer F, Vollstädt-Klein S, Lemenager T, Mann K, Fauth-Bühler M. Amygdala grey matter volume increase in gambling disorder with depression symptoms of clinical relevance: a voxel-based morphometry study. INTERNATIONAL GAMBLING STUDIES 2018. [DOI: 10.1080/14459795.2018.1452276] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Affiliation(s)
- Evangelos Zois
- Department of Addictive Behaviour and Addiction Medicine, Central Institute of Mental Health, Medical Faculty Mannheim, University of Heidelberg , Heidelberg, Germany
| | - Falk Kiefer
- Department of Addictive Behaviour and Addiction Medicine, Central Institute of Mental Health, Medical Faculty Mannheim, University of Heidelberg , Heidelberg, Germany
| | - Sabine Vollstädt-Klein
- Department of Addictive Behaviour and Addiction Medicine, Central Institute of Mental Health, Medical Faculty Mannheim, University of Heidelberg , Heidelberg, Germany
| | - Tagrid Lemenager
- Department of Addictive Behaviour and Addiction Medicine, Central Institute of Mental Health, Medical Faculty Mannheim, University of Heidelberg , Heidelberg, Germany
| | - Karl Mann
- Department of Addictive Behaviour and Addiction Medicine, Central Institute of Mental Health, Medical Faculty Mannheim, University of Heidelberg , Heidelberg, Germany
| | - Mira Fauth-Bühler
- Department of Addictive Behaviour and Addiction Medicine, Central Institute of Mental Health, Medical Faculty Mannheim, University of Heidelberg , Heidelberg, Germany
- iwp Institute for Economic Psychology, FOM University of Applied Sciences for Economics and Management , Essen, Germany
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93
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Antons S, Brand M. Trait and state impulsivity in males with tendency towards Internet-pornography-use disorder. Addict Behav 2018; 79:171-177. [PMID: 29291508 DOI: 10.1016/j.addbeh.2017.12.029] [Citation(s) in RCA: 50] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2017] [Revised: 11/23/2017] [Accepted: 12/21/2017] [Indexed: 11/17/2022]
Abstract
INTRODUCTION Impulsivity has been identified to be involved in the development and maintenance of specific Internet-use disorders (IUD). It can be differentiated between relatively stable trait impulsivity and state impulsivity which is dependent on environmental and affective factors such as craving. Following the I-PACE (Interaction of Person-Affect-Cognition-Execution) model, both trait and state impulsivity may play an interactive role in IUD. The present study aimed to investigate the relationship between trait and state impulsivity and symptom severity of Internet-pornography-use disorder (IPD) as one form of IUD. METHODS Fifty heterosexual males participated in this study. State impulsivity was measured with reaction times in a modified stop-signal task. Each participant conducted two blocks of this task which included neutral and pornographic pictures. Moreover, current subjective craving, trait impulsivity, and symptom severity of IPD were assessed using several questionnaires. RESULTS Results indicate that trait impulsivity was associated with higher symptom severity of IPD. Especially those males with higher trait impulsivity and state impulsivity in the pornographic condition of the stop-signal task as well as those with high craving reactions showed severe symptoms of IPD. CONCLUSION The results indicate that both trait and state impulsivity play a crucial role in the development of IPD. In accordance with dual-process models of addiction, the results may be indicative of an imbalance between the impulsive and reflective systems which might be triggered by pornographic material. This may result in loss of control over the Internet-pornography use albeit experiencing negative consequences.
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Affiliation(s)
- Stephanie Antons
- Department of General Psychology: Cognition and Center for Behavioral Addiction Research, University of Duisburg-Essen, Duisburg, Germany
| | - Matthias Brand
- Department of General Psychology: Cognition and Center for Behavioral Addiction Research, University of Duisburg-Essen, Duisburg, Germany; Erwin L. Hahn Institute for Magnetic Resonance Imaging, Essen, Germany.
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94
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Holmes AJ, Patrick LM. The Myth of Optimality in Clinical Neuroscience. Trends Cogn Sci 2018; 22:241-257. [PMID: 29475637 PMCID: PMC5829018 DOI: 10.1016/j.tics.2017.12.006] [Citation(s) in RCA: 55] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2017] [Revised: 12/15/2017] [Accepted: 12/20/2017] [Indexed: 12/19/2022]
Abstract
Clear evidence supports a dimensional view of psychiatric illness. Within this framework the expression of disorder-relevant phenotypes is often interpreted as a breakdown or departure from normal brain function. Conversely, health is reified, conceptualized as possessing a single ideal state. We challenge this concept here, arguing that there is no universally optimal profile of brain functioning. The evolutionary forces that shape our species select for a staggering diversity of human behaviors. To support our position we highlight pervasive population-level variability within large-scale functional networks and discrete circuits. We propose that, instead of examining behaviors in isolation, psychiatric illnesses can be best understood through the study of domains of functioning and associated multivariate patterns of variation across distributed brain systems.
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Affiliation(s)
- Avram J Holmes
- Department of Psychology, Yale University, New Haven, CT 06520, USA; Department of Psychiatry, Yale University, New Haven, CT 06511, USA.
| | - Lauren M Patrick
- Department of Psychology, Yale University, New Haven, CT 06520, USA
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95
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Yanes JA, Riedel MC, Ray KL, Kirkland AE, Bird RT, Boeving ER, Reid MA, Gonzalez R, Robinson JL, Laird AR, Sutherland MT. Neuroimaging meta-analysis of cannabis use studies reveals convergent functional alterations in brain regions supporting cognitive control and reward processing. J Psychopharmacol 2018; 32:283-295. [PMID: 29338547 PMCID: PMC5858977 DOI: 10.1177/0269881117744995] [Citation(s) in RCA: 45] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Lagging behind rapid changes to state laws, societal views, and medical practice is the scientific investigation of cannabis's impact on the human brain. While several brain imaging studies have contributed important insight into neurobiological alterations linked with cannabis use, our understanding remains limited. Here, we sought to delineate those brain regions that consistently demonstrate functional alterations among cannabis users versus non-users across neuroimaging studies using the activation likelihood estimation meta-analysis framework. In ancillary analyses, we characterized task-related brain networks that co-activate with cannabis-affected regions using data archived in a large neuroimaging repository, and then determined which psychological processes may be disrupted via functional decoding techniques. When considering convergent alterations among users, decreased activation was observed in the anterior cingulate cortex, which co-activated with frontal, parietal, and limbic areas and was linked with cognitive control processes. Similarly, decreased activation was observed in the dorsolateral prefrontal cortex, which co-activated with frontal and occipital areas and linked with attention-related processes. Conversely, increased activation among users was observed in the striatum, which co-activated with frontal, parietal, and other limbic areas and linked with reward processing. These meta-analytic outcomes indicate that cannabis use is linked with differential, region-specific effects across the brain.
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Affiliation(s)
- Julio A Yanes
- Department of Psychology, Auburn University, Auburn, AL, USA,Auburn University Magnetic Resonance Imaging Research Center, Auburn University, Auburn, AL, USA,Advanced Alabama Imaging Consortium, Alabama, USA
| | - Michael C Riedel
- Center for Imaging Science, Florida International University, Miami, FL, USA
| | - Kimberly L Ray
- Imaging Research Center, University of California Davis, Sacramento, CA, USA
| | - Anna E Kirkland
- Department of Psychology, Auburn University, Auburn, AL, USA,Auburn University Magnetic Resonance Imaging Research Center, Auburn University, Auburn, AL, USA,Advanced Alabama Imaging Consortium, Alabama, USA
| | - Ryan T Bird
- Department of Psychology, Auburn University, Auburn, AL, USA,Auburn University Magnetic Resonance Imaging Research Center, Auburn University, Auburn, AL, USA,Advanced Alabama Imaging Consortium, Alabama, USA
| | - Emily R Boeving
- Center for Imaging Science, Florida International University, Miami, FL, USA,Department of Psychology, Florida International University, Miami, FL, USA
| | - Meredith A Reid
- Auburn University Magnetic Resonance Imaging Research Center, Auburn University, Auburn, AL, USA,Advanced Alabama Imaging Consortium, Alabama, USA
| | - Raul Gonzalez
- Department of Psychology, Florida International University, Miami, FL, USA
| | - Jennifer L Robinson
- Department of Psychology, Auburn University, Auburn, AL, USA,Auburn University Magnetic Resonance Imaging Research Center, Auburn University, Auburn, AL, USA,Advanced Alabama Imaging Consortium, Alabama, USA
| | - Angela R Laird
- Center for Imaging Science, Florida International University, Miami, FL, USA,Department of Physics, Florida International University, Miami, FL, USA
| | - Matthew T Sutherland
- Center for Imaging Science, Florida International University, Miami, FL, USA,Department of Psychology, Florida International University, Miami, FL, USA
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Marsden J, Goetz C, Meynen T, Mitcheson L, Stillwell G, Eastwood B, Strang J, Grey N. Memory-Focused Cognitive Therapy for Cocaine Use Disorder: Theory, Procedures and Preliminary Evidence From an External Pilot Randomised Controlled Trial. EBioMedicine 2018; 29:177-189. [PMID: 29478874 PMCID: PMC5925454 DOI: 10.1016/j.ebiom.2018.01.039] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2018] [Accepted: 01/30/2018] [Indexed: 12/21/2022] Open
Abstract
BACKGROUND Cocaine use disorder (CUD) is a debilitating condition with no NICE-recommended medication or specific psychosocial interventions. In the United Kingdom (UK), general counselling (treatment-as-usual; TAU) is widely delivered, but has limited effectiveness. We tested the feasibility, safety and preliminary efficacy of a novel, adjunctive psychosocial intervention for CUD, called 'memory-focused cognitive therapy' (MFCT). METHODS We did a two-arm, external pilot randomised controlled trial at a specialist community National Health Service addictions clinic in London, UK. 30 adults (≥18years), voluntarily seeking treatment for CUD (enrolled ≥14days; all with moderate-to-severe DSM5 CUD), were individually randomised (1:1) to a control group (ongoing TAU; 3×90min CUD cognitive conceptualisation assessments; 2×30min cocaine-related cue-induction procedures; and 3×30min research follow-ups); or to an intervention group (ongoing TAU; 3×90min cognitive conceptualisation assessments; 2×30min cocaine-related cue-induction procedures; 5×120min, one-to-one, MFCT sessions [in 1week]; and 3×60min research follow-ups and MFCT-relapse prevention). The primary outcome was the total percentage score on the frequency version of the Craving Experiences Questionnaire (CEQ-F) at 1-month follow-up after the intensive intervention week (clinical endpoint; recall period past 2weeks; higher score indicating greater craving). Secondary outcomes at the 1-month follow-up were percentage days abstinent (PDA) from cocaine, and longest period (days) of continuous abstinence (LPA) in the prior 28days. Outcomes were analysed as an unadjusted group mean difference (with Hedge's g effect size [ES]) and a 95% Confidence Interval [CI] for the primary outcome and a 90% CI for the secondary outcomes. Exploratory, multivariable linear (primary outcome) and Poisson regression models (secondary outcomes), with sex, age, months of regular cocaine use, baseline outcome score, and group estimated the effectiveness of the intervention. The trial is registered with the ISCRTN (ISRCTN16462783). FINDINGS Between July 15, 2015, and November 27, 2016, 58 patients were assessed for eligibility and 30 participants were randomised (14 to the control group and 16 to the intervention). With outcome data collected for all participants at the endpoint, the intervention group mean CEQ-F score (14·77; SD 21·47) was lower than the control group mean (51·75; SD 22·72); ES -1·62; 95% CI -2·45 to -0·80. MFCT was associated with more cocaine abstinence in the intervention group (PDA 85·94; SD 18·96) than the control group (PDA 54·59; SD 30·29); ES 1·19; 90% CI 0·54 to 1·84. There was also greater maximum abstinence in the intervention group (LPA 15·69; SD 10·10) than the control group (6·00; SD 7·36); ES 1·06; 90% CI 0·41 to 1·70. Exploratory, confounder-adjusted regression models for this preliminary effect supported the treatment association for reduced craving experiences (CEQ-F Coef. -28·25; 95% CI -45·15 to -11·35); more abstinence (PDA Incidence Rate Ratio [IRR] 1·56; 95% CI 1·31 to 1·88); and greater maximum abstinence (LPA IRR 2·56; 95% CI 1·96 to 3·35), although relative weak unmeasured confounding could overturn these model-adjusted exposure-outcome associations. There were four serious adverse events (among three participants). None were judged related to study procedures or interventions. INTERPRETATION In this first external pilot randomised controlled trial of MFCT for CUD, we have shown that the intervention and control procedures and acceptable feasible and safe, and report preliminary evidence that MFCT is associated with reduced craving and increased abstinence. These findings support progression to a substantive trial. FUNDING SOURCE UK National Institute for Health Research, Biomedical Research Centre.
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Affiliation(s)
- John Marsden
- Addictions Department, Institute of Psychiatry, Psychology and Neuroscience, King's College London, United Kingdom; South London and Maudsley NHS Mental Health Foundation Trust, United Kingdom.
| | - Camille Goetz
- Addictions Department, Institute of Psychiatry, Psychology and Neuroscience, King's College London, United Kingdom; South London and Maudsley NHS Mental Health Foundation Trust, United Kingdom
| | - Tim Meynen
- Addictions Department, Institute of Psychiatry, Psychology and Neuroscience, King's College London, United Kingdom; South London and Maudsley NHS Mental Health Foundation Trust, United Kingdom
| | - Luke Mitcheson
- Addictions Department, Institute of Psychiatry, Psychology and Neuroscience, King's College London, United Kingdom; South London and Maudsley NHS Mental Health Foundation Trust, United Kingdom
| | - Garry Stillwell
- Addictions Department, Institute of Psychiatry, Psychology and Neuroscience, King's College London, United Kingdom; South London and Maudsley NHS Mental Health Foundation Trust, United Kingdom
| | - Brian Eastwood
- Addictions Department, Institute of Psychiatry, Psychology and Neuroscience, King's College London, United Kingdom
| | - John Strang
- Addictions Department, Institute of Psychiatry, Psychology and Neuroscience, King's College London, United Kingdom; South London and Maudsley NHS Mental Health Foundation Trust, United Kingdom
| | - Nick Grey
- Sussex Partnership NHS Foundation Trust, United Kingdom; Department of Psychology, University of Sussex, United Kingdom
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Andreu CI, Cosmelli D, Slagter HA, Franken IHA. Effects of a brief mindfulness-meditation intervention on neural measures of response inhibition in cigarette smokers. PLoS One 2018; 13:e0191661. [PMID: 29370256 PMCID: PMC5784955 DOI: 10.1371/journal.pone.0191661] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2017] [Accepted: 01/09/2018] [Indexed: 12/11/2022] Open
Abstract
Research suggests that mindfulness-practices may aid smoking cessation. Yet, the neural mechanisms underlying the effects of mindfulness-practices on smoking are unclear. Response inhibition is a main deficit in addiction, is associated with relapse, and could therefore be a candidate target for mindfulness-based practices. The current study hence investigated the effects of a brief mindfulness-practice on response inhibition in smokers using behavioral and electroencephalography (EEG) measures. Fifty participants (33 females, mean age 20 years old) underwent a protocol of cigarette exposure to induce craving (cue-exposure) and were then randomly assigned to a group receiving mindfulness-instructions or control-instructions (for 15 minutes approximately). Immediately after this, they performed a smoking Go/NoGo task, while their brain activity was recorded. At the behavioral level, no group differences were observed. However, EEG analyses revealed a decrease in P3 amplitude during NoGo vs. Go trials in the mindfulness versus control group. The lower P3 amplitude might indicate less-effortful response inhibition after the mindfulness-practice, and suggest that enhanced response inhibition underlies observed positive effects of mindfulness on smoking behavior.
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Affiliation(s)
- Catherine I. Andreu
- Escuela de Psicología, Pontificia Universidad Católica de Chile, Santiago, Chile
- Millennium Institute for Research in Depression and Personality (MIDAP), Santiago, Chile
| | - Diego Cosmelli
- Escuela de Psicología, Pontificia Universidad Católica de Chile, Santiago, Chile
- Millennium Institute for Research in Depression and Personality (MIDAP), Santiago, Chile
- Centro Interdisciplinario de Neurociencias, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Heleen A. Slagter
- Department of Psychology, University of Amsterdam, Amsterdam, the Netherlands
- Amsterdam Brain and Cognition, University of Amsterdam, Amsterdam, the Netherlands
| | - Ingmar H. A. Franken
- Department of Psychology, Education & Child Studies, Erasmus University Rotterdam, Rotterdam, the Netherlands
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Yang W, Yang R, Luo J, He L, Liu J, Zhang J. Increased Absolute Glutamate Concentrations and Glutamate-to-Creatine Ratios in Patients With Methamphetamine Use Disorders. Front Psychiatry 2018; 9:368. [PMID: 30233420 PMCID: PMC6128240 DOI: 10.3389/fpsyt.2018.00368] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/27/2018] [Accepted: 07/24/2018] [Indexed: 01/31/2023] Open
Abstract
Introduction: Previous studies have indicated that changes in the concentration of glutamate and related metabolites may mediate the progression of addiction in patients with methamphetamine (MA) use disorders. In the present study, we utilized magnetic resonance spectroscopy (MRS) to investigate absolute glutamate concentrations and metabolite ratios in patients with MA addiction. We further analyzed the association between glutamate concentration and various clinical indicators. Methods: The present study included 31 unmedicated patients with clinically diagnosed MA dependence (mean age: 30.5 ± 8.0 years) and 32 age-matched healthy controls (mean age: 32.9 ± 8.2 years). Patients were evaluated using the Barratt Impulsiveness Scale (BIS-11). We also collected general information regarding the duration and dosage of drug use. Point-resolved spectroscopy was used to quantify the absolute concentrations of metabolites (glutamate, choline, N-acetylaspartate, glutamine, and creatine), as well as the ratio of metabolites to total creatine, using LCModel software. We then compared differences in glutamate levels and psychometric scores between the two groups. Results: Glutamate-to-creatine ratios in the brainstem were significantly higher in the MA group than in the control group (t = 2.764, p = 0.008). Glutamate concentrations in the brainstem were also significantly higher in the MA group than in the control group (t = 2.390, p = 0.020). However, no significant differences in the concentrations or ratios of other metabolites were observed between the two groups (all p > 0.05). Glutamate concentration was positively correlated with the duration of drug use (r = 0.401, p = 0.035) and the total dose of regular addiction (duration of addiction × regular addiction dose; r = 0.207, p = .040), but not with BIS-11 scores. Conclusions: Our findings indicated that glutamate levels in the brainstem are significantly elevated in patients with MA use disorders, and that these levels are significantly associated with the duration and dose of drug use.Such findings suggest that glutamate concentration can be used as an objective biological marker for evaluating/monitoring disease status and treatment efficacy in patients with MA dependence.
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Affiliation(s)
- Wenhan Yang
- Department of Radiology, Second Xiangya Hospital of Central South University, Changsha, China
| | - Ru Yang
- Department of Radiology, Second Xiangya Hospital of Central South University, Changsha, China
| | - Jing Luo
- Department of Radiology, Second Xiangya Hospital of Central South University, Changsha, China
| | - Lei He
- Department of Radiology, Second Xiangya Hospital of Central South University, Changsha, China
| | - Jun Liu
- Department of Radiology, Second Xiangya Hospital of Central South University, Changsha, China
| | - Jun Zhang
- Hunan Judicial Police Vocational College, Changsha, China
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99
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Han X, Wang Y, Jiang W, Bao X, Sun Y, Ding W, Cao M, Wu X, Du Y, Zhou Y. Resting-State Activity of Prefrontal-Striatal Circuits in Internet Gaming Disorder: Changes With Cognitive Behavior Therapy and Predictors of Treatment Response. Front Psychiatry 2018; 9:341. [PMID: 30123144 PMCID: PMC6085723 DOI: 10.3389/fpsyt.2018.00341] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/17/2018] [Accepted: 07/09/2018] [Indexed: 11/13/2022] Open
Abstract
Cognitive behavior therapy (CBT) is effective for the treatment of Internet gaming disorder (IGD). However, the mechanisms by which CBT improves IGD-related clinical symptoms remain unknown. This study aimed to discover the therapeutic mechanism of CBT in IGD subjects using resting-state functional magnetic resonance imaging (rsfMRI). Twenty-six IGD subjects and 30 matched healthy controls (HCs) received rsfMRI scan and clinical assessments; 20 IGD subjects completed CBT and then were scanned again. The amplitude of low-frequency (ALFF) values and the functional connectivity (FC) between the IGD group and the HC group were compared at baseline, as well as the ALFF values and FC before and after the CBT in the IGD group. Prior to treatment, the IGD group exhibited significantly increased ALFF values in the bilateral putamen, the right medial orbitofrontal cortex (OFC), the bilateral supplementary motor area (SMA), the left postcentral gyrus, and the left anterior cingulate (ACC) compared with the HC group. The HC group showed significantly increased FC values between the left medial OFC and the putamen compared with the IGD group, the FC values of IGD group were negatively associated with the BIS-11 scores before treatment. After the CBT, the weekly gaming time was significantly shorter, and the CIAS and BIS-II scores were significantly lower. The ALFF values in the IGD subjects significantly decreased in the left superior OFC and the left putamen, and the FC between them significantly increased after the CBT. The degree of the FC changes (ΔFC/Pre-FC) was positively correlated with the scale of the CIAS scores changes (ΔCIAS/Pre-CIAS) in the IGD subjects. CBT could regulate the abnormal low-frequency fluctuations in prefrontal-striatal regions in IGD subjects and could improve IGD-related symptoms. Resting-state alternations in prefrontal-striatal regions may reveal the therapeutic mechanism of CBT in IGD subjects.
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Affiliation(s)
- Xu Han
- Department of Radiology, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Yao Wang
- Department of Radiology, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Wenqing Jiang
- Department of Child and Adolescent Psychiatry, Shanghai Mental Health Center, Shanghai Jiao Tong University, Shanghai, China
| | - Xiaochen Bao
- Department of Child and Adolescent Psychiatry, Shanghai Mental Health Center, Shanghai Jiao Tong University, Shanghai, China
| | - Yawen Sun
- Department of Radiology, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Weina Ding
- Department of Radiology, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Mengqiu Cao
- Department of Radiology, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Xiaowei Wu
- Department of Radiology, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Yasong Du
- Department of Child and Adolescent Psychiatry, Shanghai Mental Health Center, Shanghai Jiao Tong University, Shanghai, China
| | - Yan Zhou
- Department of Radiology, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
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100
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Noé-Díaz V, Salinas-Rivera E, Cruz-Pérez F, García-Gómez LA, Mandujano-Baeza E, Ortiz-Moncada G, Ramírez-Venegas A, Sansores RH. Changes on executive functions before and after quitting smoking: Pilot study. JOURNAL OF SUBSTANCE USE 2017. [DOI: 10.1080/14659891.2017.1405087] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
- Valeri Noé-Díaz
- Department of Research in COPD and Smoking, Instituto Nacional de Enfermedades Respiratorias “Ismael Cosio Villegas”, Tlalpan, México City, México
| | | | - Felipe Cruz-Pérez
- Programa de Residencia en Neuropsicología Clínica, Universidad Nacional Autónoma de México, Coyoacán
| | - Leonor Alejandra García-Gómez
- Department of Research in COPD and Smoking, Instituto Nacional de Enfermedades Respiratorias “Ismael Cosio Villegas”, Tlalpan, México City, México
| | - Elizabeth Mandujano-Baeza
- Programa de Residencia en Neuropsicología Clínica, Universidad Nacional Autónoma de México, Coyoacán
| | | | - Alejandra Ramírez-Venegas
- Department of Research in COPD and Smoking, Instituto Nacional de Enfermedades Respiratorias “Ismael Cosio Villegas”, Tlalpan, México City, México
| | - Raúl H. Sansores
- Department of Research in COPD and Smoking, Instituto Nacional de Enfermedades Respiratorias “Ismael Cosio Villegas”, Tlalpan, México City, México
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