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Hickman LJ, Sowden-Carvalho SL, Fraser DS, Schuster BA, Rybicki AJ, Galea JM, Cook JL. Dopaminergic manipulations affect the modulation and meta-modulation of movement speed: Evidence from two pharmacological interventions. Behav Brain Res 2024; 474:115213. [PMID: 39182625 DOI: 10.1016/j.bbr.2024.115213] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2024] [Revised: 08/06/2024] [Accepted: 08/21/2024] [Indexed: 08/27/2024]
Abstract
A body of research implicates dopamine in the average speed of simple movements. However, naturalistic movements span a range of different shaped trajectories and rarely proceed at a single constant speed. Instead, speed is reduced when drawing "corners" compared to "straights" (i.e., speed modulation), and the extent of this slowing down is dependent upon the global shape of the movement trajectory (i.e., speed meta-modulation) - for example whether the shape is an ellipse or a rounded square. At present, it is not known how (or whether) dopaminergic function controls continuous changes in speed during movement execution. The current paper reports effects on these kinematic features of movement following two forms of dopamine manipulation: Study One highlights movement differences in individuals with PD both ON and OFF their dopaminergic medication (N = 32); Study Two highlights movement differences in individuals from the general population on haloperidol (a dopamine receptor blocker, or "antagonist") and placebo (N = 43). Evidence is presented implicating dopamine in speed, speed modulation and speed meta-modulation, whereby low dopamine conditions are associated with reductions in these variables. These findings move beyond vigour models implicating dopamine in average movement speed, and towards a conceptualisation that involves the modulation of speed as a function of contextual information.
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Affiliation(s)
- Lydia J Hickman
- Centre for Human Brain Health, School of Psychology, University of Birmingham, B15 2TT, United Kingdom; MRC Cognition and Brain Sciences Unit, University of Cambridge, 15 Chaucer Road, CB2 7EF, United Kingdom.
| | - Sophie L Sowden-Carvalho
- Centre for Human Brain Health, School of Psychology, University of Birmingham, B15 2TT, United Kingdom
| | - Dagmar S Fraser
- Centre for Human Brain Health, School of Psychology, University of Birmingham, B15 2TT, United Kingdom
| | - Bianca A Schuster
- Centre for Human Brain Health, School of Psychology, University of Birmingham, B15 2TT, United Kingdom; Department of Cognition, Emotion, and Methods in Psychology, University of Vienna, Austria
| | - Alicia J Rybicki
- Centre for Human Brain Health, School of Psychology, University of Birmingham, B15 2TT, United Kingdom
| | - Joseph M Galea
- Centre for Human Brain Health, School of Psychology, University of Birmingham, B15 2TT, United Kingdom
| | - Jennifer L Cook
- Centre for Human Brain Health, School of Psychology, University of Birmingham, B15 2TT, United Kingdom
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2
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Yamanaka K, Suzuki M, Pham LT, Tomita K, Van Nguyen T, Takagishi M, Tsukioka K, Gouraud S, Waki H. Involvement of D1 dopamine receptor in the nucleus of the solitary tract of rats in stress-induced hypertension and exercise. J Hypertens 2024; 42:1795-1804. [PMID: 38973449 DOI: 10.1097/hjh.0000000000003809] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/09/2024]
Abstract
OBJECTIVE Chronic stress can cause hypertension, whereas daily exercise promotes healthy well being through destressing. Although the nucleus of the solitary tract (NTS) is involved in the development of hypertension, the molecular and physiological mechanisms of stress and exercise remain unclear. In this study, we tested whether gene expression in the NTS is altered by stress and daily exercise and whether this is involved in cardiovascular regulation. METHODS We have performed RT 2 Profiler PCR arrays targeting a panel of neurotransmitter receptor genes in the NTS of Wistar rats subjected to chronic restraint stress (1 h a day over 3 weeks) with or without voluntary wheel exercise. We also performed immunohistochemistry to determine whether the identified molecules were expressed at the protein level. Additionally, microinjection studies in anesthetized rats were performed to examine whether validated molecules exhibit physiological roles in cardiovascular regulation of the NTS. RESULTS We observed that blood pressure was significantly increased by stress and the increase was suppressed by exercise. Using PCR analysis, we determined that the expression levels of four genes in the NTS, including the dopamine receptor D1 gene ( Drd1 ), were significantly affected by stress and suppressed by exercise. We also examined dopamine D1 receptor (D1R) expression in NTS neurons and found significantly greater expression in the stressed than nonstressed animals. Furthermore, the microinjection of a D1R agonist into the NTS in anesthetized rats induced hypotensive effects. CONCLUSION These results suggest that NTS D1R plays a role in the counteracting processes of stress-induced hypertension.
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Affiliation(s)
- Ko Yamanaka
- Department of Physiology, Graduate School of Health and Sports Science, Juntendo University, Chiba
| | - Makoto Suzuki
- Department of Physiology, Graduate School of Health and Sports Science, Juntendo University, Chiba
| | - Linh Thuy Pham
- Department of Physiology, Graduate School of Health and Sports Science, Juntendo University, Chiba
| | - Keisuke Tomita
- Department of Physiology, Graduate School of Health and Sports Science, Juntendo University, Chiba
| | - Thu Van Nguyen
- Department of Physiology, Graduate School of Health and Sports Science, Juntendo University, Chiba
| | - Miwa Takagishi
- Department of Therapeutic Health Promotion, Kansai University of Health Sciences, Osaka
| | - Kei Tsukioka
- Department of Physiology, Graduate School of Health and Sports Science, Juntendo University, Chiba
| | - Sabine Gouraud
- Department of Natural Science, College of Liberal Arts, International Christian University, Tokyo
| | - Hidefumi Waki
- Department of Physiology, Graduate School of Health and Sports Science, Juntendo University, Chiba
- Institute of Health and Sports Science & Medicine, Juntendo University, Inzai, Chiba, Japan
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3
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Akaida S, Tabira T, Tateishi M, Shiratsuchi D, Shimokihara S, Kuratsu R, Akasaki Y, Hidaka Y, Makizako H. Averting older adults' memory function decline via meaningful activities: a follow-up longitudinal study. Eur Geriatr Med 2024:10.1007/s41999-024-01044-4. [PMID: 39242468 DOI: 10.1007/s41999-024-01044-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2024] [Accepted: 08/24/2024] [Indexed: 09/09/2024]
Abstract
PURPOSE The purpose of the study was to investigate the effects of satisfaction with meaningful activities and their performance on the memory function among community-dwelling older adults 3 years later. METHODS A longitudinal analysis was conducted on 288 community-dwelling older adults aged 65 years and more who had completed the survey in 2019 and 2022 as participants in the Tarumizu Study. Meaningful activities were assessed in 2019 using the Aid for Decision-Making in Occupation Choice for activities. Satisfaction with and performance of meaningful activities were assessed, and the bottom 25% were classified into two groups: low satisfaction and low performance. Memory function was assessed using the National Center for Geriatrics and Gerontology-Functional Assessment Tool in 2019 and 2022. Changes in memory function over 3 years were analyzed by satisfaction and performance of meaningful activities. RESULTS Two-way analysis of variance with group (satisfaction with and performance of meaningful activities) and time (2019 and 2022) as factors showed no statistically significant group-time interaction for memory in the satisfaction with meaningful activities group (F = 1.4, p = 0.24). Meanwhile, a statistically significant group-time interaction was observed for memory in the meaningful activity performance group, indicating that high performance of meaningful activities may play a protective role against memory decline (F = 7.4, p = 0.007). CONCLUSION Higher performance of meaningful activities may protect against age-related changes in memory. A careful assessment of meaningful activities, and engagement that enhances performance may be useful in designing health support against memory decline.
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Affiliation(s)
- Shoma Akaida
- Graduate School of Health Sciences, Kagoshima University, Kagoshima, Japan
- Department of Physical Therapy, School of Health Sciences, Faculty of Medicine, Kagoshima University, Kagoshima, Japan
| | - Takayuki Tabira
- Department of Occupational Therapy, School of Health Sciences, Faculty of Medicine, Kagoshima University, Kagoshima, Japan
| | - Mana Tateishi
- Department of Epidemiology of Aging, National Center for Geriatrics and Gerontology, Aichi, Japan
| | - Daijo Shiratsuchi
- Graduate School of Health Sciences, Kagoshima University, Kagoshima, Japan
- Department of Physical Therapy, School of Health Sciences, Faculty of Medicine, Kagoshima University, Kagoshima, Japan
| | - Suguru Shimokihara
- Department of Occupational Therapy, School of Health Sciences, Sapporo Medical University, Hokkaido, Japan
- Research Fellowship for Young Scientists, Japan Society for the Promotion of Science, Tokyo, Japan
| | - Ryota Kuratsu
- Graduate School of Health Sciences, Kagoshima University, Kagoshima, Japan
| | - Yoshihiko Akasaki
- Graduate School of Health Sciences, Kagoshima University, Kagoshima, Japan
| | - Yuma Hidaka
- Graduate School of Health Sciences, Kagoshima University, Kagoshima, Japan
| | - Hyuma Makizako
- Department of Physical Therapy, School of Health Sciences, Faculty of Medicine, Kagoshima University, Kagoshima, Japan.
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Biswas A, Lee S, Cencillo-Abad P, Karmakar M, Patel J, Soudi M, Chanda D. Nanoplasmonic aptasensor for sensitive, selective, and real-time detection of dopamine from unprocessed whole blood. SCIENCE ADVANCES 2024; 10:eadp7460. [PMID: 39231221 PMCID: PMC11373595 DOI: 10.1126/sciadv.adp7460] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/09/2024] [Accepted: 07/29/2024] [Indexed: 09/06/2024]
Abstract
Neurotransmitters are crucial for the proper functioning of neural systems, with dopamine playing a pivotal role in cognition, emotions, and motor control. Dysregulated dopamine levels are linked to various disorders, underscoring the need for accurate detection in research and diagnostics. Single-stranded DNA (ssDNA) aptamers are promising bioreceptors for dopamine detection due to their selectivity, improved stability, and synthesis feasibility. However, discrepancies in dopamine specificity have presented challenges. Here, we surface-functionalized a nano-plasmonic biosensing platform with a dopamine-specific ssDNA aptamer for selective detection. The biosensor, featuring narrowband hybrid plasmonic resonances, achieves high specificity through functionalization with aptamers and passivation processes. Sensitivity and selectivity for dopamine detection are demonstrated across a wide range of concentrations, including in diverse biological samples like protein solutions, cerebrospinal fluid, and whole blood. These results highlight the potential of plasmonic "aptasensors" for developing rapid and accurate diagnostic tools for disease monitoring, medical diagnostics, and targeted therapies.
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Affiliation(s)
- Aritra Biswas
- CREOL, The College of Optics and Photonics, University of Central Florida, 4304 Scorpius St., Orlando, FL 32816, USA
- Nanoscience Technology Center, University of Central Florida, 12424 Research Parkway Suite 400, Orlando, FL 32826, USA
| | - Sang Lee
- Nanoscience Technology Center, University of Central Florida, 12424 Research Parkway Suite 400, Orlando, FL 32826, USA
| | - Pablo Cencillo-Abad
- Nanoscience Technology Center, University of Central Florida, 12424 Research Parkway Suite 400, Orlando, FL 32826, USA
| | - Manobina Karmakar
- Nanoscience Technology Center, University of Central Florida, 12424 Research Parkway Suite 400, Orlando, FL 32826, USA
| | - Jay Patel
- Nanoscience Technology Center, University of Central Florida, 12424 Research Parkway Suite 400, Orlando, FL 32826, USA
| | - Mahdi Soudi
- Nanoscience Technology Center, University of Central Florida, 12424 Research Parkway Suite 400, Orlando, FL 32826, USA
- Department of Physics, University of Central Florida, 4111 Libra Drive, Physical Sciences Bldg. 430, Orlando, FL 32816, USA
| | - Debashis Chanda
- CREOL, The College of Optics and Photonics, University of Central Florida, 4304 Scorpius St., Orlando, FL 32816, USA
- Nanoscience Technology Center, University of Central Florida, 12424 Research Parkway Suite 400, Orlando, FL 32826, USA
- Department of Physics, University of Central Florida, 4111 Libra Drive, Physical Sciences Bldg. 430, Orlando, FL 32816, USA
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5
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De Nys L, Oyebola EF, Connelly J, Ryde GC, Whittaker AC. Digital music and movement intervention to improve health and wellbeing in older adults in care homes: a pilot mixed methods study. BMC Geriatr 2024; 24:733. [PMID: 39232667 PMCID: PMC11373285 DOI: 10.1186/s12877-024-05324-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2023] [Accepted: 08/23/2024] [Indexed: 09/06/2024] Open
Abstract
BACKGROUND Low physical activity among older adults is related to adverse health outcomes such as depression and loneliness, poor physical function and increased risk of falls. This study was designed to increase physical activity through a digital, group-based, physical activity and music intervention and to examine its effectiveness on social, mental and physical health outcomes. METHODS Participants were 34 older adults (65 years +) recruited across four care homes in Scotland to a pilot study. Surveys were administered at baseline and post-intervention, comprising measures of fear of falling, depression and anxiety, loneliness, sleep satisfaction and quality of life. A battery of physical function tests and saliva sampling for cortisol and dehydroepiandrosterone hormone analysis were also conducted at each time point. Additionally, process evaluation measures (recruitment, intervention fidelity, attendance, retention rates and safety) were monitored. The intervention comprised 12 weeks of three prescribed digital sessions per week: movement and music (n = 2) and music-only (n = 1), delivered by an activity coordinator in the care home. Post-intervention interviews with staff and participants were conducted to gain qualitative data on the acceptability of the intervention. RESULTS An average of 88% of prescribed sessions were delivered. Pre- to post-intervention intention-to-treat analysis across all participants revealed significant improvements in anxiety, salivary DHEA, fear of falling and loneliness. There were no significant improvements in health-related quality of life, perceived stress, sleep satisfaction or physical function tests, including handgrip strength. Qualitative analysis highlighted benefits of and barriers to the programme. CONCLUSIONS The digital movement and music intervention was deemed acceptable and delivered with moderate fidelity, justifying progression to a full-scale trial. Although a proper control group would have yielded more confident causal relationships, preliminary psychosocial and biological effects were evident from this trial. To show significant improvements in physical function, it is likely that a bigger sample size providing sufficient power to detect significant changes, greater adherence, longer intervention and/or higher exercise volume may be necessary. TRIAL REGISTRATION The trial is registered at ClinicalTrials.gov, number NCT05601102 on 01/11/2022.
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Affiliation(s)
- Len De Nys
- Faculty of Health Sciences and Sport, University of Stirling, Stirling, Scotland, UK
| | - Esther F Oyebola
- Faculty of Health Sciences and Sport, University of Stirling, Stirling, Scotland, UK
| | - Jenni Connelly
- Faculty of Health Sciences and Sport, University of Stirling, Stirling, Scotland, UK
| | - Gemma C Ryde
- School of Cardiovascular and Metabolic Health, University of Glasgow, Glasgow, Scotland, UK
| | - Anna C Whittaker
- Faculty of Health Sciences and Sport, University of Stirling, Stirling, Scotland, UK.
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6
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Kim SQ, Spann RA, Khan MSH, Berthoud HR, Münzberg H, Albaugh VL, He Y, McDougal DH, Soto P, Yu S, Morrison CD. FGF21 as a mediator of adaptive changes in food intake and macronutrient preference in response to protein restriction. Neuropharmacology 2024; 255:110010. [PMID: 38797244 PMCID: PMC11156534 DOI: 10.1016/j.neuropharm.2024.110010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2024] [Revised: 05/20/2024] [Accepted: 05/23/2024] [Indexed: 05/29/2024]
Abstract
Free-feeding animals navigate complex nutritional landscapes in which food availability, cost, and nutritional value can vary markedly. Animals have thus developed neural mechanisms that enable the detection of nutrient restriction, and these mechanisms engage adaptive physiological and behavioral responses that limit or reverse this nutrient restriction. This review focuses specifically on dietary protein as an essential and independently defended nutrient. Adequate protein intake is required for life, and ample evidence exists to support an active defense of protein that involves behavioral changes in food intake, food preference, and food motivation, likely mediated by neural changes that increase the reward value of protein foods. Available evidence also suggests that the circulating hormone fibroblast growth factor 21 (FGF21) acts in the brain to coordinate these adaptive changes in food intake, making it a unique endocrine signal that drives changes in macronutrient preference in the context of protein restriction. This article is part of the Special Issue on "Food intake and feeding states".
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Affiliation(s)
- Sora Q Kim
- Pennington Biomedical Research Center, Baton Rouge, LA, 70808, USA
| | - Redin A Spann
- Pennington Biomedical Research Center, Baton Rouge, LA, 70808, USA
| | | | | | - Heike Münzberg
- Pennington Biomedical Research Center, Baton Rouge, LA, 70808, USA
| | - Vance L Albaugh
- Pennington Biomedical Research Center, Baton Rouge, LA, 70808, USA; Department of Surgery, Louisiana State University Health Sciences Center, New Orleans, LA, 70112, USA
| | - Yanlin He
- Pennington Biomedical Research Center, Baton Rouge, LA, 70808, USA
| | - David H McDougal
- Pennington Biomedical Research Center, Baton Rouge, LA, 70808, USA
| | - Paul Soto
- Department of Psychology, Louisiana State University, Baton Rouge, LA, 70810, USA
| | - Sangho Yu
- Pennington Biomedical Research Center, Baton Rouge, LA, 70808, USA
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7
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Pratt DN, Treadway MT, Strauss GP, Mittal VA. Diminished differentiation of rewards in individuals at clinical high-risk for psychosis. Eur Arch Psychiatry Clin Neurosci 2024; 274:1437-1445. [PMID: 38598109 PMCID: PMC11365781 DOI: 10.1007/s00406-024-01794-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/24/2023] [Accepted: 03/09/2024] [Indexed: 04/11/2024]
Abstract
Reward processing is impaired in people with schizophrenia, which may begin in the clinical high-risk (CHR) for psychosis period. The Monetary Incentive Delay (MID) task has been important in understanding the neural correlates of reward processing deficits in various psychiatric disorders. Previous research has found that CHR individuals have an imprecise mental representation of rewards, which leads to a diminished differentiation between rewards, though this has not been observed behaviorally. A total of 19 CHR individuals and 20 controls were given a novel variant of the MID task, designed to examine how modulating reward context may impact responses to reward cues, a process often referred to as "adaptive coding." Both groups appeared to update their behavior in response to the rewards available in this adaptive task. However, when compared to controls who showed a more graded decrease in response time to increasing reward contexts, CHR individuals appeared to have a sharp decrease in response time in the low reward context that is nearly stable across higher reward contexts. This is largely driven by the exponential component of the response time distribution, which is often interpreted to be more cognitively or effortfully influenced. Response times are related to negative symptoms, but not positive symptoms, disorganized symptoms, or estimated intelligence. Although an adaptive coding effect was not observed, these results provide novel insight into the reward processing mechanisms and volitional processes in the CHR population, as this was the first study to observe the diminished differentiation of rewards behaviorally.
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Affiliation(s)
- D N Pratt
- Department of Psychology, Northwestern University, Evanston, IL, USA.
| | - M T Treadway
- Departments of Psychology and Psychiatry and Behavioral Sciences, Emory University, Atlanta, GA, USA
| | - G P Strauss
- Departments of Psychology and Neuroscience, University of Georgia, Athens, GA, USA
| | - V A Mittal
- Department of Psychology, Northwestern University, Evanston, IL, USA
- Institutes for Policy Research (IPR) and Innovations in Developmental Sciences (DevSci), Psychiatry, Medical Social Sciences, Northwestern University, Evanston, IL, USA
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8
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Elum JE, Szelenyi ER, Juarez B, Murry AD, Loginov G, Zamorano CA, Gao P, Wu G, Ng-Evans S, Yee JX, Xu X, Golden SA, Zweifel LS. Distinct dynamics and intrinsic properties in ventral tegmental area populations mediate reward association and motivation. Cell Rep 2024; 43:114668. [PMID: 39207900 DOI: 10.1016/j.celrep.2024.114668] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2024] [Revised: 07/04/2024] [Accepted: 08/06/2024] [Indexed: 09/04/2024] Open
Abstract
Ventral tegmental area (VTA) dopamine neurons regulate reward-related associative learning and reward-driven motivated behaviors, but how these processes are coordinated by distinct VTA neuronal subpopulations remains unresolved. Here, we compare the contribution of two primarily dopaminergic and largely non-overlapping VTA subpopulations, all VTA dopamine neurons and VTA GABAergic neurons of the mouse midbrain, to these processes. We find that the dopamine subpopulation that projects to the nucleus accumbens (NAc) core preferentially encodes reward-predictive cues and prediction errors. In contrast, the subpopulation that projects to the NAc shell preferentially encodes goal-directed actions and relative reward anticipation. VTA GABA neuron activity strongly contrasts VTA dopamine population activity and preferentially encodes reward outcome and retrieval. Electrophysiology, targeted optogenetics, and whole-brain input mapping reveal multiple convergent sources that contribute to the heterogeneity among VTA dopamine subpopulations that likely underlies their distinct encoding of reward-related associations and motivation that defines their functions in these contexts.
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Affiliation(s)
- Jordan E Elum
- Graduate Program in Neuroscience, University of Washington, Seattle, WA, USA
| | - Eric R Szelenyi
- Department of Biological Structure, University of Washington, Seattle, WA, USA; University of Washington Center of Excellence in Neurobiology of Addiction, Pain, and Emotion (NAPE), Seattle, WA, USA
| | - Barbara Juarez
- Department of Neurobiology, University of Maryland, Baltimore, MD, USA
| | - Alexandria D Murry
- Department of Biological Structure, University of Washington, Seattle, WA, USA
| | - Grigory Loginov
- Center for Integrative Brain Research, Seattle Children's Research Institute, Seattle, WA, USA
| | - Catalina A Zamorano
- Department of Pharmacology, University of Washington, Seattle, WA, USA; University of Washington Center of Excellence in Neurobiology of Addiction, Pain, and Emotion (NAPE), Seattle, WA, USA
| | - Pan Gao
- Department of Anatomy and Neurobiology, School of Medicine, University of California, Irvine, Irvine, CA, USA
| | - Ginny Wu
- Department of Anatomy and Neurobiology, School of Medicine, University of California, Irvine, Irvine, CA, USA
| | - Scott Ng-Evans
- Department of Psychiatry and Behavioral Sciences, University of Washington, Seattle, WA, USA
| | - Joshua X Yee
- Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Center, Seattle, WA, USA
| | - Xiangmin Xu
- Department of Anatomy and Neurobiology, School of Medicine, University of California, Irvine, Irvine, CA, USA
| | - Sam A Golden
- Graduate Program in Neuroscience, University of Washington, Seattle, WA, USA; Department of Biological Structure, University of Washington, Seattle, WA, USA; University of Washington Center of Excellence in Neurobiology of Addiction, Pain, and Emotion (NAPE), Seattle, WA, USA
| | - Larry S Zweifel
- Graduate Program in Neuroscience, University of Washington, Seattle, WA, USA; Department of Pharmacology, University of Washington, Seattle, WA, USA; Department of Psychiatry and Behavioral Sciences, University of Washington, Seattle, WA, USA; University of Washington Center of Excellence in Neurobiology of Addiction, Pain, and Emotion (NAPE), Seattle, WA, USA.
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Poletti M, Raballo A. Ontogenesis of self-disorders in the schizophrenia spectrum: A phenomenological neuro-developmental model. Schizophr Res 2024; 272:26-35. [PMID: 39181008 DOI: 10.1016/j.schres.2024.08.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/28/2024] [Revised: 06/28/2024] [Accepted: 08/14/2024] [Indexed: 08/27/2024]
Abstract
The concept of basic Self-disorders (SD) captures the experiential aspects associated with vulnerability to schizophrenia spectrum disorders (SSD). SD emerge prior to, and constitute the underlying structure for, the emergence of major diagnostic symptoms, including positive psychotic ones. SD are also detectable in populations with familial risk for SSD. This paper proposes a two-stage phenomenological-developmental model, exploring the early deficit in multisensory integration and their impact on the ontogeny of the Minimal Self in the first years of life. It also examines subsequent emergence of schizotaxic vulnerability, which later manifests as typical anomalies of subjectivity, such as basic symptoms and self-disorders.
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Affiliation(s)
- Michele Poletti
- Department of Mental Health and Pathological Addiction, Child and Adolescent Neuropsychiatry Service, Azienda USL-IRCCS di Reggio Emilia, Reggio Emilia, Italy
| | - Andrea Raballo
- Chair of Psychiatry, Faculty of Biomedical Sciences, Università della Svizzera Italiana, Lugano, Switzerland; Cantonal Sociopsychiatric Organisation, Public Health Division, Department of Health and Social Care, Repubblica e Cantone Ticino, Mendrisio, Switzerland.
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10
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Simon RC, Loveless MC, Yee JX, Goh B, Cho SG, Nasir Z, Hashikawa K, Stuber GD, Zweifel LS, Soden ME. Opto-seq reveals input-specific immediate-early gene induction in ventral tegmental area cell types. Neuron 2024; 112:2721-2731.e5. [PMID: 38901431 PMCID: PMC11343674 DOI: 10.1016/j.neuron.2024.05.026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2023] [Revised: 03/18/2024] [Accepted: 05/27/2024] [Indexed: 06/22/2024]
Abstract
The ventral tegmental area (VTA) is a critical node in circuits governing motivated behavior and is home to diverse populations of neurons that release dopamine, gamma-aminobutyric acid (GABA), glutamate, or combinations of these neurotransmitters. The VTA receives inputs from many brain regions, but a comprehensive understanding of input-specific activation of VTA neuronal subpopulations is lacking. To address this, we combined optogenetic stimulation of select VTA inputs with single-nucleus RNA sequencing (snRNA-seq) and highly multiplexed in situ hybridization to identify distinct neuronal clusters and characterize their spatial distribution and activation patterns. Quantification of immediate-early gene (IEG) expression revealed that different inputs activated select VTA subpopulations, which demonstrated cell-type-specific transcriptional programs. Within dopaminergic subpopulations, IEG induction levels correlated with differential expression of ion channel genes. This new transcriptomics-guided circuit analysis reveals the diversity of VTA activation driven by distinct inputs and provides a resource for future analysis of VTA cell types.
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Affiliation(s)
- Rhiana C Simon
- Graduate Program in Neuroscience, University of Washington, Seattle, WA 98195, USA; Center for the Neurobiology of Addiction, Pain, and Emotion, University of Washington, Seattle, WA 98195, USA
| | - Mary C Loveless
- Center for the Neurobiology of Addiction, Pain, and Emotion, University of Washington, Seattle, WA 98195, USA; Department of Psychiatry and Behavioral Sciences, University of Washington, Seattle, WA 98195, USA; Department of Pharmacology, University of Washington, Seattle, WA 98195, USA
| | - Joshua X Yee
- Center for the Neurobiology of Addiction, Pain, and Emotion, University of Washington, Seattle, WA 98195, USA; Department of Pharmacology, University of Washington, Seattle, WA 98195, USA
| | - Brandon Goh
- Center for the Neurobiology of Addiction, Pain, and Emotion, University of Washington, Seattle, WA 98195, USA; Department of Pharmacology, University of Washington, Seattle, WA 98195, USA
| | - Su G Cho
- Center for the Neurobiology of Addiction, Pain, and Emotion, University of Washington, Seattle, WA 98195, USA; Department of Pharmacology, University of Washington, Seattle, WA 98195, USA
| | - Zainab Nasir
- Center for the Neurobiology of Addiction, Pain, and Emotion, University of Washington, Seattle, WA 98195, USA; Department of Pharmacology, University of Washington, Seattle, WA 98195, USA
| | - Koichi Hashikawa
- Center for the Neurobiology of Addiction, Pain, and Emotion, University of Washington, Seattle, WA 98195, USA; Department of Pharmacology, University of Washington, Seattle, WA 98195, USA; Department of Anesthesiology and Pain Medicine, University of Washington, Seattle, WA 98195, USA
| | - Garret D Stuber
- Center for the Neurobiology of Addiction, Pain, and Emotion, University of Washington, Seattle, WA 98195, USA; Department of Pharmacology, University of Washington, Seattle, WA 98195, USA; Department of Anesthesiology and Pain Medicine, University of Washington, Seattle, WA 98195, USA
| | - Larry S Zweifel
- Center for the Neurobiology of Addiction, Pain, and Emotion, University of Washington, Seattle, WA 98195, USA; Department of Psychiatry and Behavioral Sciences, University of Washington, Seattle, WA 98195, USA; Department of Pharmacology, University of Washington, Seattle, WA 98195, USA
| | - Marta E Soden
- Center for the Neurobiology of Addiction, Pain, and Emotion, University of Washington, Seattle, WA 98195, USA; Department of Pharmacology, University of Washington, Seattle, WA 98195, USA.
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11
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Johnson NL, Cotelo-Larrea A, Stetzik LA, Akkaya UM, Zhang Z, Gadziola MA, Varga AG, Ma M, Wesson DW. Sniffing can be initiated by dopamine's actions on ventral striatum neurons. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.02.19.581052. [PMID: 39229099 PMCID: PMC11370338 DOI: 10.1101/2024.02.19.581052] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/05/2024]
Abstract
Sniffing is a motivated behavior displayed by nearly all terrestrial vertebrates. While sniffing is associated with acquiring and processing odors, sniffing is also intertwined with affective and motivated states. The neuromodulatory systems which influence the display of sniffing are unclear. Here, we report that dopamine release into the ventral striatum is coupled with bouts of sniffing and that stimulation of dopaminergic terminals in these regions drives increases in respiratory rate to initiate sniffing whereas inhibition of these terminals reduces respiratory rate. Both the firing of individual neurons and the activity of post-synaptic D1 and D2 receptor-expressing neurons in the ventral striatum are also coupled with sniffing and local antagonism of D1 and D2 receptors squelches sniffing. Together, these results support a model whereby sniffing can be initiated by dopamine's actions upon ventral striatum neurons. The nature of sniffing being integral to both olfaction and motivated behaviors implicates this circuit in a wide array of functions.
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12
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Jiménez JC, Cortés-Salazar F, Ruiz-García RI, Hernández D, Miranda F. The effects of intra-accumbal administration of the nicotinic acetylcholine receptor agonist cytisine on the operant oral self-administration of ethanol were prevented by the GABAB receptor agonist baclofen in rats. Pharmacol Biochem Behav 2024; 244:173850. [PMID: 39159761 DOI: 10.1016/j.pbb.2024.173850] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/12/2024] [Revised: 08/10/2024] [Accepted: 08/13/2024] [Indexed: 08/21/2024]
Abstract
RATIONALE Although the mesocorticolimbic dopamine (DA) system is the main neurochemical substrate that regulates the addictive and reinforcing effects of ethanol (EtOH), other neurotransmitter systems, such as the acetylcholine (Ach) system, modulate DAergic function in the nucleus accumbens (nAcc). Previously, we reported that intra-nAcc administration of the nicotinic Ach receptor agonist cytisine increased oral EtOH self-administration. GABAB receptors in the nAcc are expressed in DAergic terminals, inhibit the regulation of DA release into the nAcc, and could modulate the effects of cytisine on oral EtOH self-administration. The present study assessed the effects of intra-nAcc administration of the GABAB receptor agonist baclofen (BCF) on the impacts of cytisine on oral EtOH self-administration. METHODS Male Wistar rats were deprived of water for 23.30 h and then trained to press a lever to receive EtOH on an FR3 schedule until a stable response rate of 80 % was achieved. After this training, the rats received an intra-nAcc injection of the nAch receptor agonist cytisine, BCF, and cytisine or 2-hydroxysaclofen, BCF, and cytisine before they were given access to EtOH on an FR3 schedule. RESULTS Intra-nAcc injections of cytisine increased oral EtOH self-administration; this effect was reduced by BCF, and 2-hydroxysaclofen blocked the effects of BCF. CONCLUSIONS These findings suggest that the reinforcing effects of EtOH are modulated not only by the DA system but also by other neurotransmitter systems involved in regulating DA release from DAergic terminals.
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Affiliation(s)
- Juan C Jiménez
- Universidad Nacional Autónoma de México, Facultad de Estudios Superiores Iztacala, Mexico
| | - Felipe Cortés-Salazar
- Universidad Nacional Autónoma de México, Facultad de Estudios Superiores Iztacala, Mexico
| | - Rosa I Ruiz-García
- Universidad Nacional Autónoma de México, Facultad de Estudios Superiores Iztacala, Mexico
| | - David Hernández
- Departamento de Psiquiatría y Salud Mental, Facultad de Medicina, Universidad de Concepción, Concepción, Chile
| | - Florencio Miranda
- Universidad Nacional Autónoma de México, Facultad de Estudios Superiores Iztacala, Mexico.
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13
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Zioga I, Harrison PMC, Pearce M, Bhattacharya J, Di Bernardi Luft C. The association between liking, learning and creativity in music. Sci Rep 2024; 14:19048. [PMID: 39152203 PMCID: PMC11329743 DOI: 10.1038/s41598-024-70027-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2024] [Accepted: 08/09/2024] [Indexed: 08/19/2024] Open
Abstract
Aesthetic preference is intricately linked to learning and creativity. Previous studies have largely examined the perception of novelty in terms of pleasantness and the generation of novelty via creativity separately. The current study examines the connection between perception and generation of novelty in music; specifically, we investigated how pleasantness judgements and brain responses to musical notes of varying probability (estimated by a computational model of auditory expectation) are linked to learning and creativity. To facilitate learning de novo, 40 non-musicians were trained on an unfamiliar artificial music grammar. After learning, participants evaluated the pleasantness of the final notes of melodies, which varied in probability, while their EEG was recorded. They also composed their own musical pieces using the learned grammar which were subsequently assessed by experts. As expected, there was an inverted U-shaped relationship between liking and probability: participants were more likely to rate the notes with intermediate probabilities as pleasant. Further, intermediate probability notes elicited larger N100 and P200 at posterior and frontal sites, respectively, associated with prediction error processing. Crucially, individuals who produced less creative compositions preferred higher probability notes, whereas individuals who composed more creative pieces preferred notes with intermediate probability. Finally, evoked brain responses to note probability were relatively independent of learning and creativity, suggesting that these higher-level processes are not mediated by brain responses related to performance monitoring. Overall, our findings shed light on the relationship between perception and generation of novelty, offering new insights into aesthetic preference and its neural correlates.
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Affiliation(s)
- Ioanna Zioga
- Donders Centre for Cognitive Neuroimaging, Donders Institute for Brain, Cognition and Behaviour, Radboud University, 6525 EN, Nijmegen, The Netherlands
| | - Peter M C Harrison
- School of Electronic Engineering and Computer Science, Queen Mary University of London, London, E1 4NS, UK
- Faculty of Music, University of Cambridge, Cambridge, UK
| | - Marcus Pearce
- School of Electronic Engineering and Computer Science, Queen Mary University of London, London, E1 4NS, UK
| | - Joydeep Bhattacharya
- Department of Psychology, Goldsmiths University of London, New Cross, London, SE14 6NW, UK
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14
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Tian G, Bartas K, Hui M, Chen L, Vasquez JJ, Azouz G, Derdeyn P, Manville RW, Ho EL, Fang AS, Li Y, Tyler I, Setola V, Aoto J, Abbott GW, Beier KT. Molecular and circuit determinants in the globus pallidus mediating control of cocaine-induced behavioral plasticity. Neuron 2024:S0896-6273(24)00540-3. [PMID: 39153478 DOI: 10.1016/j.neuron.2024.07.018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2023] [Revised: 04/12/2024] [Accepted: 07/22/2024] [Indexed: 08/19/2024]
Abstract
The globus pallidus externus (GPe) is a central component of the basal ganglia circuit that acts as a gatekeeper of cocaine-induced behavioral plasticity. However, the molecular and circuit mechanisms underlying this function are unknown. Here, we show that GPe parvalbumin-positive (GPePV) cells mediate cocaine responses by selectively modulating ventral tegmental area dopamine (VTADA) cells projecting to the dorsomedial striatum (DMS). Interestingly, GPePV cell activity in cocaine-naive mice is correlated with behavioral responses following cocaine, effectively predicting cocaine sensitivity. Expression of the voltage-gated potassium channels KCNQ3 and KCNQ5 that control intrinsic cellular excitability following cocaine was downregulated, contributing to the elevation in GPePV cell excitability. Acutely activating channels containing KCNQ3 and/or KCNQ5 using the small molecule carnosic acid, a key psychoactive component of Salvia rosmarinus (rosemary) extract, reduced GPePV cell excitability and impaired cocaine reward, sensitization, and volitional cocaine intake, indicating its therapeutic potential to counteract psychostimulant use disorder.
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Affiliation(s)
- Guilian Tian
- Department of Physiology and Biophysics, University of California, Irvine, Irvine, CA, USA
| | - Katrina Bartas
- Program in Mathematical, Computational, and Systems Biology, University of California, Irvine, Irvine, CA, USA
| | - May Hui
- Department of Physiology and Biophysics, University of California, Irvine, Irvine, CA, USA
| | - Lingxuan Chen
- Department of Physiology and Biophysics, University of California, Irvine, Irvine, CA, USA
| | - Jose J Vasquez
- Department of Physiology and Biophysics, University of California, Irvine, Irvine, CA, USA
| | - Ghalia Azouz
- Department of Physiology and Biophysics, University of California, Irvine, Irvine, CA, USA
| | - Pieter Derdeyn
- Program in Mathematical, Computational, and Systems Biology, University of California, Irvine, Irvine, CA, USA
| | - Rían W Manville
- Bioelectricity Laboratory, Department of Physiology and Biophysics, University of California, Irvine, Irvine, CA, USA
| | - Erick L Ho
- Department of Physiology and Biophysics, University of California, Irvine, Irvine, CA, USA
| | - Amanda S Fang
- Department of Physiology and Biophysics, University of California, Irvine, Irvine, CA, USA
| | - Yuan Li
- Department of Physiology and Biophysics, University of California, Irvine, Irvine, CA, USA
| | - Isabella Tyler
- Department of Physiology and Biophysics, University of California, Irvine, Irvine, CA, USA
| | - Vincent Setola
- Department of Neuroscience, West Virginia University, Morgantown, WV, USA; Department of Behavioral Medicine and Psychiatry, West Virginia University, Morgantown, WV, USA
| | - Jason Aoto
- University of Colorado Anschutz School of Medicine, Department of Pharmacology, Aurora, CO, USA
| | - Geoffrey W Abbott
- Bioelectricity Laboratory, Department of Physiology and Biophysics, University of California, Irvine, Irvine, CA, USA
| | - Kevin T Beier
- Department of Physiology and Biophysics, University of California, Irvine, Irvine, CA, USA; Department of Pharmaceutical Sciences, University of California, Irvine, Irvine, CA, USA; Department of Biomedical Engineering, University of California, Irvine, Irvine, CA, USA; Department of Neurobiology and Behavior, University of California, Irvine, Irvine, CA, USA.
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15
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Huang Q, Lee HH, Volpe B, Zhang Q, Xue C, Liu BC, Abuhasan YR, Li L, Yang JS, Egholm J, Gutierrez-Vazquez C, Li A, Lee A, Tang S, Wong CW, Liu T, Huang Y, Ramos RL, Stout RF, El Ouaamari A, Quintana FJ, Lowell BB, Kahn CR, Pothos EN, Cai W. Deletion of murine astrocytic vesicular nucleotide transporter increases anxiety and depressive-like behavior and attenuates motivation for reward. Mol Psychiatry 2024:10.1038/s41380-024-02692-5. [PMID: 39122778 DOI: 10.1038/s41380-024-02692-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/06/2024] [Revised: 07/17/2024] [Accepted: 08/02/2024] [Indexed: 08/12/2024]
Abstract
Astrocytes are multi-functional glial cells in the central nervous system that play critical roles in modulation of metabolism, extracellular ion and neurotransmitter levels, and synaptic plasticity. Astrocyte-derived signaling molecules mediate many of these modulatory functions of astrocytes, including vesicular release of ATP. In the present study, we used a unique genetic mouse model to investigate the functional significance of astrocytic exocytosis of ATP. Using primary cultured astrocytes, we show that loss of vesicular nucleotide transporter (Vnut), a primary transporter responsible for loading cytosolic ATP into the secretory vesicles, dramatically reduces ATP loading into secretory lysosomes and ATP release, without any change in the molecular machinery of exocytosis or total intracellular ATP content. Deletion of astrocytic Vnut in adult mice leads to increased anxiety, depressive-like behaviors, and decreased motivation for reward, especially in females, without significant impact on food intake, systemic glucose metabolism, cognition, or sociability. These behavioral alterations are associated with significant decreases in the basal extracellular dopamine levels in the nucleus accumbens. Likewise, ex vivo brain slices from these mice show a strong trend toward a reduction in evoked dopamine release in the nucleus accumbens. Mechanistically, the reduced dopamine signaling we observed is likely due to an increased expression of monoamine oxidases. Together, these data demonstrate a key modulatory role of astrocytic exocytosis of ATP in anxiety, depressive-like behavior, and motivation for reward, by regulating the mesolimbic dopamine circuitry.
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Affiliation(s)
- Qian Huang
- Department of Molecular and Cellular Biochemistry, the Barnstable Brown Diabetes and Obesity Center, University of Kentucky College of Medicine, Lexington, KY, USA
- Department of Biomedical Sciences, New York Institute of Technology College of Osteopathic Medicine, Old Westbury, NY, USA
| | - Hiu Ham Lee
- Department of Biomedical Sciences, New York Institute of Technology College of Osteopathic Medicine, Old Westbury, NY, USA
| | - Bryan Volpe
- Department of Biomedical Sciences, New York Institute of Technology College of Osteopathic Medicine, Old Westbury, NY, USA
| | - Qingchen Zhang
- Program in Pharmacology and Experimental Therapeutics and Pharmacology and Drug Development, Graduate School of Biomedical Sciences and Department of Immunology, Tufts University School of Medicine, Boston, MA, USA
| | - Chang Xue
- Program in Pharmacology and Experimental Therapeutics and Pharmacology and Drug Development, Graduate School of Biomedical Sciences and Department of Immunology, Tufts University School of Medicine, Boston, MA, USA
| | - Brian C Liu
- Section of Integrative Physiology and Metabolism, Joslin Diabetes Center, Harvard Medical School, Boston, MA, USA
| | - Yahia R Abuhasan
- Program in Pharmacology and Experimental Therapeutics and Pharmacology and Drug Development, Graduate School of Biomedical Sciences and Department of Immunology, Tufts University School of Medicine, Boston, MA, USA
| | - Lingyun Li
- Program in Pharmacology and Experimental Therapeutics and Pharmacology and Drug Development, Graduate School of Biomedical Sciences and Department of Immunology, Tufts University School of Medicine, Boston, MA, USA
| | - Jeremy S Yang
- Program in Pharmacology and Experimental Therapeutics and Pharmacology and Drug Development, Graduate School of Biomedical Sciences and Department of Immunology, Tufts University School of Medicine, Boston, MA, USA
| | - Julie Egholm
- Program in Pharmacology and Experimental Therapeutics and Pharmacology and Drug Development, Graduate School of Biomedical Sciences and Department of Immunology, Tufts University School of Medicine, Boston, MA, USA
| | - Cristina Gutierrez-Vazquez
- Ann Romney Center for Neurologic Diseases, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Allen Li
- Department of Biomedical Sciences, New York Institute of Technology College of Osteopathic Medicine, Old Westbury, NY, USA
| | - Alyssa Lee
- Department of Biomedical Sciences, New York Institute of Technology College of Osteopathic Medicine, Old Westbury, NY, USA
| | - Sharon Tang
- Department of Biomedical Sciences, New York Institute of Technology College of Osteopathic Medicine, Old Westbury, NY, USA
| | - Chun Wa Wong
- Department of Biomedical Sciences, New York Institute of Technology College of Osteopathic Medicine, Old Westbury, NY, USA
| | - Tiemin Liu
- Key Laboratory of Genetic Engineering, Department of Endocrinology and Metabolism, School of Life Sciences, Zhongshan Hospital, Fudan University, Shanghai, PR China
- Department of Medicine, Division of Endocrinology, Diabetes and Metabolism, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA, USA
| | - Yuan Huang
- Department of Biomedical Sciences, New York Institute of Technology College of Osteopathic Medicine, Old Westbury, NY, USA
| | - Raddy L Ramos
- Department of Biomedical Sciences, New York Institute of Technology College of Osteopathic Medicine, Old Westbury, NY, USA
| | - Randy F Stout
- Department of Biomedical Sciences, New York Institute of Technology College of Osteopathic Medicine, Old Westbury, NY, USA
| | | | - Francisco J Quintana
- Ann Romney Center for Neurologic Diseases, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Bradford B Lowell
- Department of Medicine, Division of Endocrinology, Diabetes and Metabolism, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA, USA
| | - C Ronald Kahn
- Section of Integrative Physiology and Metabolism, Joslin Diabetes Center, Harvard Medical School, Boston, MA, USA
| | - Emmanuel N Pothos
- Program in Pharmacology and Experimental Therapeutics and Pharmacology and Drug Development, Graduate School of Biomedical Sciences and Department of Immunology, Tufts University School of Medicine, Boston, MA, USA
| | - Weikang Cai
- Department of Molecular and Cellular Biochemistry, the Barnstable Brown Diabetes and Obesity Center, University of Kentucky College of Medicine, Lexington, KY, USA.
- Department of Biomedical Sciences, New York Institute of Technology College of Osteopathic Medicine, Old Westbury, NY, USA.
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16
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AlOtaibi SD, Elsisi HA, AlShammary MJ, AlQader SA, AlHarbi HA, AlOlaiyan BR, Alanazi AO, AlMendeel FS, AlHarbi YN, AlKhalaf I, Alhowail AH, Elwy AM, Emara AM. Evaluation of the Psychiatric Disorders among Amphetamine Addicts in Rehabilitation Centers: A Cross-Sectional Analysis. J Toxicol 2024; 2024:1643693. [PMID: 39139980 PMCID: PMC11321892 DOI: 10.1155/2024/1643693] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2023] [Revised: 05/20/2024] [Accepted: 06/07/2024] [Indexed: 08/15/2024] Open
Abstract
Background People who are addicted to amphetamines have a much greater chance of developing psychosis compared to those who are not. It is essential to study the behavioral and psychological effects of amphetamines. Therefore, this research aimed to examine conditions such as depression, anxiety, mood, cognitive abilities at the workplace, and social responsibilities by using sociodemographic factors as useful tools in determining effective strategies for preventing, managing, and treating amphetamine addiction. Methods A cross-sectional study among addicts hospitalized at two rehabilitation centers across Saudi Arabia between May and October 2023. A validated questionnaire consisting of psychiatric disorders assessment tools was distributed to healthcare professionals to start an interview with addicts to assess the abnormalities. The results were compared with healthy people (control). The assessment tools used are Hamilton Anxiety and Depression Rating Scale, Young Mania Rating Scale, and Work and Social Adjustment Scale. The data were analyzed using SPSS version 22.0. Pearson correlation coefficients (r) were employed. Results A total of 60 subjects participated in this study. The participants were divided into two groups (n = 60): group I was control (n = 25) healthy volunteers and group II was amphetamine abusers (n = 35), who were hospitalized for detoxification. The ages ranged from 18 to 60 years old with mean ages of 38.68 (±8.14) and 37.77 (±10.95) years in the control and amphetamine groups, respectively. Among the addicts, the mean severity dependence scale value was 10.46 (±1.82), which denotes high dependency on the illicit drug. The prevalence of high levels of anxiety, depression, and bipolar disorder was significantly higher among addicts when they were compared to healthy people (control). The assessment of the Work and Social Adjustment Scale (WSAS) reflected a higher impairment that minimized their ability to perform the work requirements, home management, social leisure, and relationships. Conclusions The addiction to amphetamines was associated with high impairment of work performance and social obligations and a negative impact on the addict's mental health. The risk of suffering anxiety, depression, and bipolar is higher than in nonaddict people. These effects are attributed to brain damage, neurotoxicity, and neuronal inflammation, particularly when these substances are abused over extended periods and at higher doses.
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Affiliation(s)
- Saud D. AlOtaibi
- Department of Pharmacology and ToxicologyCollege of PharmacyQassim University, Buraydah 51452, Qassim, Saudi Arabia
- Pharmaceutical Care ServicesKing Saud Medical CityMinistry of Health, Riyadh 12746, Saudi Arabia
- Qassim Health ClusterMinistry of Health, Qassim, Saudi Arabia
| | - Hossam A. Elsisi
- Department of Pharmacology and ToxicologyCollege of PharmacyQassim University, Buraydah 51452, Qassim, Saudi Arabia
- Department of Clinical PharmacologyFaculty of MedicineZagazig University, Zagazig 44519, Egypt
| | | | - Saud A. AlQader
- Mental Health HospitalERADAH, Sakaka 72385, Jouf, Saudi Arabia
| | | | | | | | | | | | | | - Ahmad H. Alhowail
- Department of Pharmacology and ToxicologyCollege of PharmacyQassim University, Buraydah 51452, Qassim, Saudi Arabia
| | - Abdelhamid Mohamed Elwy
- Department of Forensic Medicine and Clinical ToxicologyFaculty of MedicineTanta University, Tanta, Egypt
| | - Ashraf M. Emara
- Department of Pharmacology and ToxicologyCollege of PharmacyQassim University, Buraydah 51452, Qassim, Saudi Arabia
- Department of Forensic Medicine and Clinical ToxicologyFaculty of MedicineTanta University, Tanta, Egypt
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17
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Gross ME, Elliott JC, Schooler JW. Why creatives don't find the oddball odd: Neural and psychological evidence for atypical salience processing. Brain Cogn 2024; 178:106178. [PMID: 38823196 DOI: 10.1016/j.bandc.2024.106178] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2023] [Revised: 04/12/2024] [Accepted: 05/13/2024] [Indexed: 06/03/2024]
Abstract
Creativity has previously been linked with various attentional phenomena, including unfocused or broad attention. Although this has typically been interpreted through an executive functioning framework, such phenomena may also arise from atypical incentive salience processing. Across two studies, we examine this hypothesis both neurally and psychologically. First we examine the relationship between figural creativity and event-related potentials during an audio-visual oddball task, finding that rater creativity of drawings is associated with a diminished P300 response at midline electrodes, while abstractness and elaborateness of the drawings is associated with an altered distribution of the P300 over posterior electrodes. These findings support the notion that creativity may involve an atypical attribution of salience to prominent information. We further explore the incentive salience hypothesis by examining relationships between creativity and a psychological indicator of incentive salience captured by participants' ratings of enjoyment (liking) and their motivation to pursue (wanting) diverse real world rewards, as well as their positive spontaneous thoughts about those rewards. Here we find enhanced motivation to pursue activities as well as a reduced relationship between the overall tendency to enjoy rewards and the tendency to pursue them. Collectively, these findings indicate that creativity may be associated with atypical allocation of attentional and motivational resources to novel and rewarding information, potentially allowing more types of information access to attentional resources and motivating more diverse behaviors. We discuss the possibility that salience attribution in creatives may be less dependent on task-relevance or hedonic pleasure, and suggest that atypical salience attribution may represent a trait-like feature of creativity.
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Affiliation(s)
- Madeleine E Gross
- Department of Psychological and Brain Sciences, University of California Santa Barbara, Santa Barbara, CA 93106, USA.
| | - James C Elliott
- Department of Psychological and Brain Sciences, University of California Santa Barbara, Santa Barbara, CA 93106, USA.
| | - Jonathan W Schooler
- Department of Psychological and Brain Sciences, University of California Santa Barbara, Santa Barbara, CA 93106, USA.
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18
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Liu C, Yu R. Neural mechanisms underpinning metacognitive shifts driven by non-informative predictions. Neuroimage 2024; 296:120670. [PMID: 38848980 DOI: 10.1016/j.neuroimage.2024.120670] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2023] [Revised: 05/10/2024] [Accepted: 06/05/2024] [Indexed: 06/09/2024] Open
Abstract
Humans constantly make predictions and such predictions allow us to prepare for future events. Yet, such benefits may come with drawbacks as premature predictions may potentially bias subsequent judgments. Here we examined how prediction influences our perceptual decisions and subsequent confidence judgments, on scenarios where the predictions were arbitrary and independent of the identity of the upcoming stimuli. We defined them as invalid and non-informative predictions. Behavioral results showed that, such non-informative predictions biased perceptual decisions in favor of the predicted choice, and such prediction-induced perceptual bias further increased the metacognitive efficiency. The functional MRI results showed that activities in the medial prefrontal cortex (mPFC) and subgenual anterior cingulate cortex (sgACC) encoded the response consistency between predictions and perceptual decisions. Activity in mPFC predicted the strength of this congruency bias across individuals. Moreover, the parametric encoding of confidence in putamen was modulated by prediction-choice consistency, such that activity in putamen was negatively correlated with confidence rating after inconsistent responses. These findings suggest that predictions, while made arbitrarily, orchestrate the neural representations of choice and confidence judgment.
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Affiliation(s)
- Cuizhen Liu
- School of Psychology, Shaanxi Normal University, Xi'an 710062, PR China
| | - Rongjun Yu
- Department of Management, Marketing, and Information Systems, Hong Kong Baptist University, Hong Kong 999077, PR China.
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19
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de Filippis R, Aloi M, Liuzza MT, Pugliese V, Carbone EA, Rania M, Segura-Garcia C, De Fazio P. Aberrant salience mediates the interplay between emotional abuse and positive symptoms in schizophrenia. Compr Psychiatry 2024; 133:152496. [PMID: 38718481 DOI: 10.1016/j.comppsych.2024.152496] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/19/2023] [Revised: 04/24/2024] [Accepted: 05/02/2024] [Indexed: 06/22/2024] Open
Abstract
INTRODUCTION Childhood trauma and adversities (CTA) and aberrant salience (AS) have a pivotal role in schizophrenia development, but their interplay with psychotic symptoms remains vague. We explored the mediation performed by AS between CTA and psychotic symptomatology in schizophrenia. METHODS We approached 241 adults suffering from schizophrenia spectrum disorders (SSDs), who have been in the unit for at least 12 consecutive months, excluding the diagnosis of dementia, and recent substance abuse disorder, and cross-sectional evaluated through the Aberrant Salience Inventory (ASI), Childhood Trauma Questionnaire Short-Form (CTQ-SF), and Positive and Negative Symptom Scale (PANSS). We tested a path-diagram where AS mediated the relationship between CTA and psychosis, after verifying each measure one-dimensionality through confirmatory factor analysis. RESULTS The final sample comprised 222 patients (36.9% female), with a mean age of 42.4 (± 13.3) years and an average antipsychotic dose of 453.6 (± 184.2) mg/day (chlorpromazine equivalents). The mean duration of untreated psychosis was 1.8 (± 2.0) years while the mean onset age was 23.9 (± 8.2) years. Significant paths were found from emotional abuse to ASI total score (β = 0.39; p < .001) and from ASI total score to PANSS positive (β = 0.17; p = .019). Finally, a statistically significant indirect association was found from emotional abuse to PANSS positive mediated by ASI total score (β = 0.06; p = .041; CI 95% [0.01, 0.13]). CONCLUSION Emotional abuse has an AS-mediated effect on positive psychotic symptomatology. AS evaluation could allow a better characterization of psychosis as well as explain the presence of positive symptoms in adults with SSDs who experienced CTA.
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Affiliation(s)
- Renato de Filippis
- Psychiatry Unit, Department of Health Sciences, University Magna Graecia of Catanzaro, Catanzaro 88100, Italy
| | - Matteo Aloi
- Psychiatry Unit, Department of Health Sciences, University Magna Graecia of Catanzaro, Catanzaro 88100, Italy; Department of Clinical and Experimental Medicine, University of Messina, Italy.
| | | | - Valentina Pugliese
- Psychiatry Unit, Department of Health Sciences, University Magna Graecia of Catanzaro, Catanzaro 88100, Italy
| | - Elvira Anna Carbone
- Psychiatry Unit, Department of Medical and Surgical Sciences, University Magna Graecia of Catanzaro, Italy.
| | - Marianna Rania
- Outpatient Unit for Clinical Research and Treatment of Eating Disorders, University Hospital Renato Dulbecco, Catanzaro, Italy
| | - Cristina Segura-Garcia
- Psychiatry Unit, Department of Medical and Surgical Sciences, University Magna Graecia of Catanzaro, Italy.
| | - Pasquale De Fazio
- Psychiatry Unit, Department of Health Sciences, University Magna Graecia of Catanzaro, Catanzaro 88100, Italy.
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20
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Cross EA, Borland JM, Shaughnessy EK, Lee SD, Vu V, Sambor EA, Huhman KL, Albers HE. Distinct subcircuits within the mesolimbic dopamine system encode the salience and valence of social stimuli. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.07.23.604824. [PMID: 39091886 PMCID: PMC11291110 DOI: 10.1101/2024.07.23.604824] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 08/04/2024]
Abstract
The mesolimbic dopamine (DA) system (MDS) is the canonical "reward" pathway that has been studied extensively in the context of the rewarding properties of sex, food, and drugs of abuse. In contrast, very little is known about the role of the MDS in the processing of the rewarding and aversive properties of social stimuli. Social interactions can be characterized by their salience (i.e., importance) and their rewarding or aversive properties (i.e., valence). Here, we test the novel hypothesis that projections from the medial ventral tegmental area (VTA) to the nucleus accumbens (NAc) core codes for the salience of social stimuli through the phasic release of DA in response to both rewarding and aversive social stimuli. In contrast, we hypothesize that projections from the lateral VTA to the NAc shell codes for the rewarding properties of social stimuli by increasing the tonic release of DA and the aversive properties of social stimuli by reducing the tonic release of DA. Using DA amperometry, which monitors DA signaling with a high degree of temporal and anatomical resolution, we measured DA signaling in the NAc core or shell while rewarding and aversive social interactions were taking place. These findings, as well as additional anatomical and functional studies, provide strong support for the proposed neural circuitry underlying the response of the MDS to social stimuli. Together, these data provide a novel conceptualization of how the functional and anatomical heterogeneity within the MDS detect and distinguish between social salience, social reward, and social aversion. Significance Statement Social interactions of both positive and negative valence are highly salient stimuli that profoundly impact social behavior and social relationships. Although DA projections from the VTA to the NAc are involved in reward and aversion little is known about their role in the saliency and valence of social stimuli. Here, we report that DA projections from the mVTA to the NAc core signal the salience of social stimuli, whereas projections from the lVTA to the NAc shell signal valence of social stimuli. This work extends our current understanding of the role of DA in the MDS by characterizing its subcircuit connectivity and associated function in the processing of rewarding and aversive social stimuli.
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Affiliation(s)
- E A Cross
- Neuroscience Institute and Center for Behavioral Neuroscience, Georgia State University, Atlanta, GA 30303
| | - J M Borland
- Neuroscience Institute and Center for Behavioral Neuroscience, Georgia State University, Atlanta, GA 30303
- Department of Neuroscience, University of Minnesota, Minneapolis, MN, 55455
- Medical Discovery Team on Addiction, University of Minnesota, Minneapolis, Minnesota,55455
| | - E K Shaughnessy
- Neuroscience Institute and Center for Behavioral Neuroscience, Georgia State University, Atlanta, GA 30303
| | - S D Lee
- Neuroscience Institute and Center for Behavioral Neuroscience, Georgia State University, Atlanta, GA 30303
| | - V Vu
- Neuroscience Institute and Center for Behavioral Neuroscience, Georgia State University, Atlanta, GA 30303
| | - E A Sambor
- Neuroscience Institute and Center for Behavioral Neuroscience, Georgia State University, Atlanta, GA 30303
| | - K L Huhman
- Neuroscience Institute and Center for Behavioral Neuroscience, Georgia State University, Atlanta, GA 30303
| | - H E Albers
- Neuroscience Institute and Center for Behavioral Neuroscience, Georgia State University, Atlanta, GA 30303
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21
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Giua G, Pereira-Silva J, Caceres-Rodriguez A, Lassalle O, Chavis P, Manzoni OJ. Cell- and Pathway-Specific Disruptions in the Accumbens of Fragile X Mouse. J Neurosci 2024; 44:e1587232024. [PMID: 38830765 PMCID: PMC11270510 DOI: 10.1523/jneurosci.1587-23.2024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2023] [Revised: 05/09/2024] [Accepted: 05/16/2024] [Indexed: 06/05/2024] Open
Abstract
Fragile X syndrome (FXS) is a genetic cause of intellectual disability and autism spectrum disorder. The mesocorticolimbic system, which includes the prefrontal cortex (PFC), basolateral amygdala (BLA), and nucleus accumbens core (NAcC), is essential for regulating socioemotional behaviors. We employed optogenetics to compare the functional properties of the BLA→NAcC, PFC→NAcC, and reciprocal PFC↔BLA pathways in Fmr1-/y::Drd1a-tdTomato male mice. In FXS mice, the PFC↔BLA reciprocal pathway was unaffected, while significant synaptic modifications occurred in the BLA/PFC→NAcC pathways. We observed distinct changes in D1 striatal projection neurons (SPNs) and separate modifications in D2 SPNs. In FXS mice, the BLA/PFC→NAcC-D2 SPN pathways demonstrated heightened synaptic strength. Focusing on the BLA→NAcC pathway, linked to autistic symptoms, we found increased AMPAR and NMDAR currents and elevated spine density in D2 SPNs. Conversely, the amplified firing probability of BLA→NAcC-D1 SPNs was not accompanied by increased synaptic strength, AMPAR and NMDAR currents, or spine density. These pathway-specific alterations resulted in an overall enhancement of excitatory-to-spike coupling, a physiologically relevant index of how efficiently excitatory inputs drive neuronal firing, in both BLA→NAcC-D1 and BLA→NAcC-D2 pathways. Finally, the absence of fragile X messenger ribonucleoprotein 1 (FMRP) led to impaired long-term depression specifically in BLA→D1 SPNs. These distinct alterations in synaptic transmission and plasticity within circuits targeting the NAcC highlight the potential role of postsynaptic mechanisms in selected SPNs in the observed circuit-level changes. This research underscores the heightened vulnerability of the NAcC in the context of FMRP deficiency, emphasizing its pivotal role in the pathophysiology of FXS.
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Affiliation(s)
- Gabriele Giua
- Institut de neurobiologie de la méditerranée, Institut National de la Santé et de la Recherche Médicale U1249, Marseille 13273, France
- Aix-Marseille University, Marseille 13284, France
| | - Jessica Pereira-Silva
- Institut de neurobiologie de la méditerranée, Institut National de la Santé et de la Recherche Médicale U1249, Marseille 13273, France
- Aix-Marseille University, Marseille 13284, France
| | - Alba Caceres-Rodriguez
- Institut de neurobiologie de la méditerranée, Institut National de la Santé et de la Recherche Médicale U1249, Marseille 13273, France
- Aix-Marseille University, Marseille 13284, France
| | - Olivier Lassalle
- Institut de neurobiologie de la méditerranée, Institut National de la Santé et de la Recherche Médicale U1249, Marseille 13273, France
- Aix-Marseille University, Marseille 13284, France
| | - Pascale Chavis
- Institut de neurobiologie de la méditerranée, Institut National de la Santé et de la Recherche Médicale U1249, Marseille 13273, France
- Aix-Marseille University, Marseille 13284, France
| | - Olivier J Manzoni
- Institut de neurobiologie de la méditerranée, Institut National de la Santé et de la Recherche Médicale U1249, Marseille 13273, France
- Aix-Marseille University, Marseille 13284, France
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22
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Lei J, Zhang P, Li T, Cui C, Li M, Yang X, Peng X, Ren K, Yang J, Shi Y, Luo G, Yao Y, Tian B. Alternating bilateral sensory stimulation alleviates alcohol-induced conditioned place preference via a superior colliculus-VTA circuit. Cell Rep 2024; 43:114383. [PMID: 38923461 DOI: 10.1016/j.celrep.2024.114383] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2023] [Revised: 05/01/2024] [Accepted: 06/03/2024] [Indexed: 06/28/2024] Open
Abstract
Alcohol is the most widely used addictive substance, potentially leading to brain damage and genetic abnormalities. Despite its prevalence and associated risks, current treatments have yet to identify effective methods for reducing cravings and preventing relapse. In this study, we find that 4-Hz alternating bilateral sensory stimulation (ABS) effectively reduces ethanol-induced conditioned place preference (CPP) in male mice, while 4-Hz flash light does not exhibit therapeutic effects. Whole-brain c-Fos mapping demonstrates that 4-Hz ABS triggers notable activation in superior colliculus GABAergic neurons (SCGABA). SCGABA forms monosynaptic connections with ventral tegmental area dopaminergic neurons (VTADA), which is implicated in ethanol-induced CPP. Bidirectional chemogenetic manipulation of SC-VTA circuit either replicates or blocks the therapeutic effects of 4-Hz ABS on ethanol-induced CPP. These findings elucidate the role of SC-VTA circuit for alleviating ethanol-related CPP by 4-Hz ABS and point to a non-drug and non-invasive approach that might have potential for treating alcohol use disorder.
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Affiliation(s)
- Jie Lei
- Department of Neurobiology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, P.R. China
| | - Pei Zhang
- Department of Neurobiology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, P.R. China; Institute for Brain Research, Huazhong University of Science and Technology, Wuhan, Hubei, P.R. China; Key Laboratory of Neurological Diseases, Ministry of Education, Wuhan, Hubei, P.R. China.
| | - Tongxia Li
- Department of Neurobiology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, P.R. China
| | - Chi Cui
- Department of Neurobiology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, P.R. China
| | - Ming Li
- Department of Neurobiology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, P.R. China
| | - Xueke Yang
- Department of Neurobiology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, P.R. China
| | - Xiang Peng
- Department of Neurobiology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, P.R. China
| | - Kun Ren
- Department of Neurobiology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, P.R. China
| | - Jian Yang
- Department of Neurobiology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, P.R. China
| | - Yulong Shi
- Department of Neurobiology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, P.R. China
| | - Gangan Luo
- Department of Neurobiology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, P.R. China
| | - Yibo Yao
- Department of Neurobiology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, P.R. China
| | - Bo Tian
- Department of Neurobiology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, P.R. China; School of Medicine, Wuhan University of Science and Technology, Wuhan, Hubei, P.R. China; Institute for Brain Research, Huazhong University of Science and Technology, Wuhan, Hubei, P.R. China; Key Laboratory of Neurological Diseases, Ministry of Education, Wuhan, Hubei, P.R. China.
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23
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Le Cunff AL. Systematic Curiosity as an Integrative Tool for Human Flourishing: A Conceptual Review and Framework. Integr Psychol Behav Sci 2024:10.1007/s12124-024-09856-6. [PMID: 38977624 DOI: 10.1007/s12124-024-09856-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/24/2024] [Indexed: 07/10/2024]
Abstract
This paper reviews seventy years of theoretical research and proposes systematic curiosity as an integrative tool for human flourishing with a focus on four key aspects: firstly, acknowledge curiosity's multidimensional nature instead of harmonizing its complex taxonomy; secondly, emphasizing intentional curiosity as opposed to impulsive curiosity; thirdly, prioritizing domain-general curiosity for broader applicability across educational, organizational, and therapeutic settings; and lastly, focusing on curiosity as a developable skill rather than an innate trait. By segmenting systematic curiosity into cognitive, emotional, and behavioral components, and relating these to interactions with the self, others, and the world, the framework aims to apply across the spectrum of human experience. Furthermore, the framework encourages an exploration of various evidence-based activities for flourishing so individuals can discover the most suitable strategies for their specific context. Implications for both theory and practice are examined, limitations are discussed, and avenues for future research are suggested.
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Affiliation(s)
- Anne-Laure Le Cunff
- Institute of Psychiatry, Psychology & Neuroscience, King's College London, London, SE5 8AB, UK.
- Ness Labs, 40 Downham Road, London, N1 5AL, UK.
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24
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Elliott BL, Mohyee RA, Ballard IC, Olson IR, Ellman LM, Murty VP. In vivo structural connectivity of the reward system along the hippocampal long axis. Hippocampus 2024; 34:327-341. [PMID: 38700259 DOI: 10.1002/hipo.23608] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2023] [Revised: 03/11/2024] [Accepted: 04/18/2024] [Indexed: 05/05/2024]
Abstract
Recent work has identified a critical role for the hippocampus in reward-sensitive behaviors, including motivated memory, reinforcement learning, and decision-making. Animal histology and human functional neuroimaging have shown that brain regions involved in reward processing and motivation are more interconnected with the ventral/anterior hippocampus. However, direct evidence examining gradients of structural connectivity between reward regions and the hippocampus in humans is lacking. The present study used diffusion MRI (dMRI) and probabilistic tractography to quantify the structural connectivity of the hippocampus with key reward processing regions in vivo. Using a large sample of subjects (N = 628) from the human connectome dMRI data release, we found that connectivity profiles with the hippocampus varied widely between different regions of the reward circuit. While the dopaminergic midbrain (ventral tegmental area) showed stronger connectivity with the anterior versus posterior hippocampus, the ventromedial prefrontal cortex showed stronger connectivity with the posterior hippocampus. The limbic (ventral) striatum demonstrated a more homogeneous connectivity profile along the hippocampal long axis. This is the first study to generate a probabilistic atlas of the hippocampal structural connectivity with reward-related networks, which is essential to investigating how these circuits contribute to normative adaptive behavior and maladaptive behaviors in psychiatric illness. These findings describe nuanced structural connectivity that sets the foundation to better understand how the hippocampus influences reward-guided behavior in humans.
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Affiliation(s)
- Blake L Elliott
- Department of Psychology and Neuroscience, Temple University, Philadelphia, Pennsylvania, USA
| | - Raana A Mohyee
- Department of Psychology and Neuroscience, Temple University, Philadelphia, Pennsylvania, USA
| | - Ian C Ballard
- Department of Psychology, University of California, Riverside, California, USA
| | - Ingrid R Olson
- Department of Psychology and Neuroscience, Temple University, Philadelphia, Pennsylvania, USA
| | - Lauren M Ellman
- Department of Psychology and Neuroscience, Temple University, Philadelphia, Pennsylvania, USA
| | - Vishnu P Murty
- Department of Psychology and Neuroscience, Temple University, Philadelphia, Pennsylvania, USA
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25
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Lee H, Kim HF, Hikosaka O. Implication of regional selectivity of dopamine deficits in impaired suppressing of involuntary movements in Parkinson's disease. Neurosci Biobehav Rev 2024; 162:105719. [PMID: 38759470 PMCID: PMC11167649 DOI: 10.1016/j.neubiorev.2024.105719] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2023] [Revised: 04/26/2024] [Accepted: 05/09/2024] [Indexed: 05/19/2024]
Abstract
To improve the initiation and speed of intended action, one of the crucial mechanisms is suppressing unwanted movements that interfere with goal-directed behavior, which is observed relatively aberrant in Parkinson's disease patients. Recent research has highlighted that dopamine deficits in Parkinson's disease predominantly occur in the caudal lateral part of the substantia nigra pars compacta (SNc) in human patients. We previously found two parallel circuits within the basal ganglia, primarily divided into circuits mediated by the rostral medial part and caudal lateral part of the SNc dopamine neurons. We have further discovered that the indirect pathway in caudal basal ganglia circuits, facilitated by the caudal lateral part of the SNc dopamine neurons, plays a critical role in suppressing unnecessary involuntary movements when animals perform voluntary goal-directed actions. We thus explored recent research in humans and non-human primates focusing on the distinct functions and networks of the caudal lateral part of the SNc dopamine neurons to elucidate the mechanisms involved in the impairment of suppressing involuntary movements in Parkinson's disease patients.
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Affiliation(s)
- Hyunchan Lee
- Laboratory of Sensorimotor Research, National Eye Institute, National Institutes of Health, Bethesda, MD 20892-4435, USA.
| | - Hyoung F Kim
- School of Biological Sciences, College of Natural Sciences, Seoul National University (SNU), Seoul 08826, Republic of Korea
| | - Okihide Hikosaka
- Laboratory of Sensorimotor Research, National Eye Institute, National Institutes of Health, Bethesda, MD 20892-4435, USA
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26
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Zheng B, Zheng Y, Hu W, Chen Z. Dissecting the networks underlying diverse brain disorders after prenatal glucocorticoid overexposure. Arch Toxicol 2024; 98:1975-1990. [PMID: 38581585 DOI: 10.1007/s00204-024-03733-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2023] [Accepted: 03/07/2024] [Indexed: 04/08/2024]
Abstract
New human life begins in the uterus in a period of both extreme plasticity and sensitivity to environmental disturbances. The fetal stage is also a vital period for central nervous system development, with experiences at this point profoundly and permanently shaping brain structure and function. As such, some brain disorders may originate in utero. Glucocorticoids, a class of essential stress hormones, play indispensable roles in fetal development, but overexposure may have lasting impacts on the brain. In this review, we summarize data from recent clinical and non-clinical studies regarding alterations in fetal brains due to prenatal glucocorticoid overexposure that are associated with nervous system disorders. We discuss relevant changes to brain structure and cellular functions and explore the underlying molecular mechanisms. In addition, we summarize factors that may cause differential outcomes between varying brain regions, and outline clinically feasible intervention strategies that are expected to minimize negative consequences arising from fetal glucocorticoid overexposure. Finally, we highlight the need for experimental evidence aided by new technologies to clearly determine the effects of excessive prenatal glucocorticoid exposure. This review consolidates diverse findings to help researchers better understand the relationship between the prenatal glucocorticoid overexposure and the effects it has on various fetal brain regions, promoting further development of critical intervention strategies.
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Affiliation(s)
- Baixiu Zheng
- Institute of Pharmacology and Toxicology, NHC and CAMS Key Laboratory of Medical Neurobiology, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Yanrong Zheng
- Key Laboratory of Neuropharmacology and Translational Medicine of Zhejiang Province, School of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou, 310053, China
| | - Weiwei Hu
- Institute of Pharmacology and Toxicology, NHC and CAMS Key Laboratory of Medical Neurobiology, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, 310058, China.
| | - Zhong Chen
- Institute of Pharmacology and Toxicology, NHC and CAMS Key Laboratory of Medical Neurobiology, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, 310058, China.
- Key Laboratory of Neuropharmacology and Translational Medicine of Zhejiang Province, School of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou, 310053, China.
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27
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Kim JH, Lee BD, Park JM, Lee YM, Moon E, Suh H, Kim K, Kim YJ, Lee HJ, Oh HY. Family-based genome-wide association analysis of novelty seeking in a Korean schizophrenic population: A pilot study. Medicine (Baltimore) 2024; 103:e38694. [PMID: 38941432 DOI: 10.1097/md.0000000000038694] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 06/30/2024] Open
Abstract
Schizophrenia (SPR) is the most devastating mental illness that causes severe deterioration in social and occupational functioning, but, the etiology remains unknown. The objective of this study is to explore the genetic underpinnings of novelty seeking behavior in schizophrenic family within the Korean population. By conducting a family-based genome-wide association study, we aim to identify potential genetic markers and variations associated with novelty seeking traits in the context of SPR. We have recruited 27 probands (with SPR) with their parents and siblings whenever possible. DNA was extracted from blood sampling of 58 individuals in 27 families and analyzed in an Illumina core exome single nucleotide polymorphism (SNP) array. A family-based association test (qFAM) was used to derive SNP association values across all chromosomes. Although none of the final 800,000 SNPs reached the genome-wide significant threshold of 8.45 × 10-7, the most significant 4 SNPs were within the 10-5 to 10-7. This study identifies genetic associations between novelty seeking behavior and SPR within families. RAPGEF5 emerges as a significant gene, along with other neuropsychiatric-related genes. Noteworthy genes like DRD4 and COMT did not show associations, possibly due to the focus on schizophrenic family. While shedding light on this complex relationship, larger studies are needed for robust conclusions and deeper mechanistic insights.
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Affiliation(s)
- Ji Hye Kim
- Department of Psychiatry, Pusan National University Hospital, Busan, South Korea
- Biomedical Research Institute, Pusan National University Hospital, Busan, South Korea
| | - Byung Dae Lee
- Department of Psychiatry, Pusan National University Hospital, Busan, South Korea
- Biomedical Research Institute, Pusan National University Hospital, Busan, South Korea
- Department of Psychiatry, Pusan National University College of Medicine, Kyungnam, South Korea
| | - Je Min Park
- Department of Psychiatry, Pusan National University Hospital, Busan, South Korea
- Biomedical Research Institute, Pusan National University Hospital, Busan, South Korea
- Department of Psychiatry, Pusan National University College of Medicine, Kyungnam, South Korea
| | - Young Min Lee
- Department of Psychiatry, Pusan National University Hospital, Busan, South Korea
- Biomedical Research Institute, Pusan National University Hospital, Busan, South Korea
- Department of Psychiatry, Pusan National University College of Medicine, Kyungnam, South Korea
| | - Eunsoo Moon
- Department of Psychiatry, Pusan National University Hospital, Busan, South Korea
- Biomedical Research Institute, Pusan National University Hospital, Busan, South Korea
- Department of Psychiatry, Pusan National University College of Medicine, Kyungnam, South Korea
| | - Hwagyu Suh
- Department of Psychiatry, Pusan National University Hospital, Busan, South Korea
- Biomedical Research Institute, Pusan National University Hospital, Busan, South Korea
| | - Kyungwon Kim
- Department of Psychiatry, Pusan National University Hospital, Busan, South Korea
- Biomedical Research Institute, Pusan National University Hospital, Busan, South Korea
| | - Yoo Jun Kim
- Department of Psychiatry, Pusan National University Hospital, Busan, South Korea
- Biomedical Research Institute, Pusan National University Hospital, Busan, South Korea
| | - Hyun Ji Lee
- Department of Psychiatry, Pusan National University Hospital, Busan, South Korea
- Biomedical Research Institute, Pusan National University Hospital, Busan, South Korea
| | - Ha Young Oh
- Department of Psychiatry, Pusan National University Hospital, Busan, South Korea
- Biomedical Research Institute, Pusan National University Hospital, Busan, South Korea
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28
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Joyce MKP, Uchendu S, Arnsten AFT. Stress and Inflammation Target Dorsolateral Prefrontal Cortex Function: Neural Mechanisms Underlying Weakened Cognitive Control. Biol Psychiatry 2024:S0006-3223(24)01420-3. [PMID: 38944141 DOI: 10.1016/j.biopsych.2024.06.016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/05/2024] [Revised: 06/15/2024] [Accepted: 06/22/2024] [Indexed: 07/01/2024]
Abstract
Most mental disorders involve dysfunction of the dorsolateral prefrontal cortex (dlPFC), a recently evolved brain region that subserves working memory, abstraction, and the thoughtful regulation of attention, action, and emotion. For example, schizophrenia, depression, long COVID, and Alzheimer's disease are all associated with dlPFC dysfunction, with neuropathology often being focused in layer III. The dlPFC has extensive top-down projections, e.g., to the posterior association cortices to regulate attention and to the subgenual cingulate cortex via the rostral and medial PFC to regulate emotional responses. However, the dlPFC is particularly dependent on arousal state and is very vulnerable to stress and inflammation, which are etiological and/or exacerbating factors for most mental disorders. The cellular mechanisms by which stress and inflammation impact the dlPFC are a topic of current research and are summarized in this review. For example, the layer III dlPFC circuits that generate working memory-related neuronal firing have unusual neurotransmission, depending on NMDA receptor and nicotinic α7 receptor actions that are blocked under inflammatory conditions by kynurenic acid. These circuits also have unusual neuromodulation, with the molecular machinery to magnify calcium signaling in spines needed to support persistent firing, which must be tightly regulated to prevent toxic calcium actions. Stress rapidly weakens layer III connectivity by driving feedforward calcium-cAMP (cyclic adenosine monophosphate) opening of potassium channels on spines. This is regulated by postsynaptic noradrenergic α2A adrenergic receptor and mGluR3 (metabotropic glutamate receptor 3) signaling but dysregulated by inflammation and/or chronic stress exposure, which contribute to spine loss. Treatments that strengthen the dlPFC via pharmacological (the α2A adrenergic receptor agonist, guanfacine) or repetitive transcranial magnetic stimulation manipulation provide a rational basis for therapy.
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Affiliation(s)
- Mary Kate P Joyce
- Department of Neuroscience, Yale Medical School, New Haven, Connecticut
| | - Stacy Uchendu
- Department of Neuroscience, Yale Medical School, New Haven, Connecticut
| | - Amy F T Arnsten
- Department of Neuroscience, Yale Medical School, New Haven, Connecticut.
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29
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McKissick O, Klimpert N, Ritt JT, Fleischmann A. Odors in space. Front Neural Circuits 2024; 18:1414452. [PMID: 38978957 PMCID: PMC11228174 DOI: 10.3389/fncir.2024.1414452] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2024] [Accepted: 05/29/2024] [Indexed: 07/10/2024] Open
Abstract
As an evolutionarily ancient sense, olfaction is key to learning where to find food, shelter, mates, and important landmarks in an animal's environment. Brain circuitry linking odor and navigation appears to be a well conserved multi-region system among mammals; the anterior olfactory nucleus, piriform cortex, entorhinal cortex, and hippocampus each represent different aspects of olfactory and spatial information. We review recent advances in our understanding of the neural circuits underlying odor-place associations, highlighting key choices of behavioral task design and neural circuit manipulations for investigating learning and memory.
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Affiliation(s)
- Olivia McKissick
- Department of Neuroscience and Carney Institute for Brain Science, Brown University, Providence, RI, United States
| | - Nell Klimpert
- Department of Neuroscience and Carney Institute for Brain Science, Brown University, Providence, RI, United States
| | - Jason T Ritt
- Carney Institute for Brain Science, Brown University, Providence, RI, United States
| | - Alexander Fleischmann
- Department of Neuroscience and Carney Institute for Brain Science, Brown University, Providence, RI, United States
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30
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Casanova AF, Ort A, Smallridge JW, Preller KH, Seifritz E, Vollenweider FX. The influence of psilocybin on subconscious and conscious emotional learning. iScience 2024; 27:110034. [PMID: 38883812 PMCID: PMC11177198 DOI: 10.1016/j.isci.2024.110034] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2024] [Revised: 04/14/2024] [Accepted: 05/16/2024] [Indexed: 06/18/2024] Open
Abstract
Serotonergic psychedelics hold promise as a treatment modality for various psychiatric disorders and are currently applied in psychedelic-assisted psychotherapy. We investigated the learning effects of the serotonin receptor agonist psilocybin in a probabilistic cue-reward task with emotional cues in the form of neutral or fearful faces, presented either consciously or subconsciously. This study represents the first investigation into reinforcement learning with psilocybin. Across different dosages, psilocybin preserved learning effects and was statistically noninferior compared to placebo, while suggesting a higher exploratory behavior. Notably, the 20 mg group exhibited significantly better learning rates against the placebo group. Psilocybin induced inferior results with subconscious cues compared to placebo, and better results with conscious neutral cues in some conditions. These findings suggest that modulating serotonin signaling in the brain with psilocybin sufficiently preservers reinforcement learning.
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Affiliation(s)
- Andrea F Casanova
- Neurophenomenology of Consciousness Lab, Department of Psychiatry, Psychotherapy and Psychosomatics, Psychiatric Hospital, University of Zurich, Zurich, Switzerland
- Department of Psychiatry, Psychotherapy and Psychosomatics, Psychiatric Hospital, University of Zurich, Zurich, Switzerland
| | - Andres Ort
- Neurophenomenology of Consciousness Lab, Department of Psychiatry, Psychotherapy and Psychosomatics, Psychiatric Hospital, University of Zurich, Zurich, Switzerland
| | - John W Smallridge
- Neurophenomenology of Consciousness Lab, Department of Psychiatry, Psychotherapy and Psychosomatics, Psychiatric Hospital, University of Zurich, Zurich, Switzerland
| | - Katrin H Preller
- Neurophenomenology of Consciousness Lab, Department of Psychiatry, Psychotherapy and Psychosomatics, Psychiatric Hospital, University of Zurich, Zurich, Switzerland
| | - Erich Seifritz
- Department of Psychiatry, Psychotherapy and Psychosomatics, Psychiatric Hospital, University of Zurich, Zurich, Switzerland
| | - Franz X Vollenweider
- Neurophenomenology of Consciousness Lab, Department of Psychiatry, Psychotherapy and Psychosomatics, Psychiatric Hospital, University of Zurich, Zurich, Switzerland
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McGovern DJ, Phillips A, Ly A, Prévost ED, Ward L, Siletti K, Kim YS, Fenno LE, Ramakrishnan C, Deisseroth K, Ford CP, Root DH. Salience signaling and stimulus scaling of ventral tegmental area glutamate neuron subtypes. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.06.12.598688. [PMID: 38915564 PMCID: PMC11195246 DOI: 10.1101/2024.06.12.598688] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/26/2024]
Abstract
Ventral tegmental area (VTA) glutamatergic neurons participate in reward, aversion, drug-seeking, and stress. Subsets of VTA VGluT2+ neurons are capable of co-transmitting glutamate and GABA (VGluT2+VGaT+ neurons), transmitting glutamate without GABA (VGluT2+VGaT- neurons), or co-transmitting glutamate and dopamine (VGluT2+TH+ neurons), but whether these molecularly distinct subpopulations show behavior-related differences is not wholly understood. We identified that neuronal activity of each VGluT2+ subpopulation is sensitive to reward value but signaled this in different ways. The phasic maximum activity of VGluT2+VGaT+ neurons increased with sucrose concentration, whereas VGluT2+VGaT- neurons increased maximum and sustained activity with sucrose concentration, and VGluT2+TH+ neurons increased sustained but not maximum activity with sucrose concentration. Additionally, VGluT2+ subpopulations signaled consummatory preferences in different ways. VGluT2+VGaT- neurons and VGluT2+TH+ neurons showed a signaling preference for a behaviorally-preferred fat reward over sucrose, but in temporally-distinct ways. In contrast, VGluT2+VGaT+ neurons uniquely signaled a less behaviorally-preferred sucrose reward compared with fat. Further experiments suggested that VGluT2+VGaT+ consummatory reward-related activity was related to sweetness, partially modulated by hunger state, and not dependent on caloric content or behavioral preference. All VGluT2+ subtypes increased neuronal activity following aversive stimuli but VGluT2+VGaT+ neurons uniquely scaled their magnitude and sustained activity with footshock intensity. Optogenetic activation of VGluT2+VGaT+ neurons during low intensity footshock enhanced fear-related behavior without inducing place preference or aversion. We interpret these data such that VTA glutamatergic subpopulations signal different elements of rewarding and aversive experiences and highlight the unique role of VTA VGluT2+VGaT+ neurons in enhancing the salience of behavioral experiences.
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Affiliation(s)
- Dillon J. McGovern
- Department of Psychology and Neuroscience, University of Colorado Boulder, 2860 Wilderness Pl, Boulder, CO 80301
| | - Alysabeth Phillips
- Department of Psychology and Neuroscience, University of Colorado Boulder, 2860 Wilderness Pl, Boulder, CO 80301
| | - Annie Ly
- Department of Psychology and Neuroscience, University of Colorado Boulder, 2860 Wilderness Pl, Boulder, CO 80301
| | - Emily D. Prévost
- Department of Psychology and Neuroscience, University of Colorado Boulder, 2860 Wilderness Pl, Boulder, CO 80301
| | - Lucy Ward
- Department of Psychology and Neuroscience, University of Colorado Boulder, 2860 Wilderness Pl, Boulder, CO 80301
| | - Kayla Siletti
- Department of Psychology and Neuroscience, University of Colorado Boulder, 2860 Wilderness Pl, Boulder, CO 80301
| | - Yoon Seok Kim
- Department of Psychiatry and Behavioral Sciences, Stanford University, Stanford, CA 94305, USA
| | - Lief E. Fenno
- Department of Psychiatry and Behavioral Sciences, Stanford University, Stanford, CA 94305, USA
- Current address: Department of Neuroscience, Dell Medical School, The University of Texas at Austin 78712
| | - Charu Ramakrishnan
- Department of Psychiatry and Behavioral Sciences, Stanford University, Stanford, CA 94305, USA
| | - Karl Deisseroth
- Department of Bioengineering, Stanford University, Stanford, CA 94305, USA
- Department of Psychiatry and Behavioral Sciences, Stanford University, Stanford, CA 94305, USA
- Howard Hughes Medical Institute, Stanford University, Stanford, CA 94305, USA
| | - Christopher P. Ford
- Department of Pharmacology, University of Colorado School of Medicine, Anschutz Medical Campus, Aurora, CO 80045
| | - David H. Root
- Department of Psychology and Neuroscience, University of Colorado Boulder, 2860 Wilderness Pl, Boulder, CO 80301
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32
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Guan X, Cao P. Brain Mechanisms Underlying Panic Attack and Panic Disorder. Neurosci Bull 2024; 40:795-814. [PMID: 37477800 PMCID: PMC11178723 DOI: 10.1007/s12264-023-01088-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2023] [Accepted: 04/23/2023] [Indexed: 07/22/2023] Open
Abstract
Panic disorder is a psychiatric disorder characterized by recurrent panic attacks, with a prevalence of ~ 4% in the general population, causing heavy personal and socioeconomic burdens. The similarities of animal defense responses to clinical panic attack symptoms in humans make it possible to translate neuroanatomical pathways identified in animal studies to panic disorder in humans. Therefore, in this review we first present a basic overview of panic disorder in humans including the main subtypes, models commonly used to trigger panic attacks, related hypotheses, the neurotransmitter systems that may be involved, and the current clinical treatments to give the reader a comprehensive understanding of panic disorder. The animal section introduces the models that trigger panic-like behavior in animals and the brain regions that may be involved, providing insights for future elucidation of the neural circuit mechanisms behind panic attacks.
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Affiliation(s)
- Xuyan Guan
- Tsinghua Institute of Multidisciplinary Biomedical Research, Tsinghua University, Beijing, 102206, China.
- National Institute of Biological Sciences (NIBS), Beijing, 102206, China.
| | - Peng Cao
- Tsinghua Institute of Multidisciplinary Biomedical Research, Tsinghua University, Beijing, 102206, China
- National Institute of Biological Sciences (NIBS), Beijing, 102206, China
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Dimitriadis T, Della Porta D, Perschl J, Evers AWM, Magee WL, Schaefer RS. Motivation and music interventions in adults: A systematic review. Neuropsychol Rehabil 2024; 34:649-678. [PMID: 37340969 DOI: 10.1080/09602011.2023.2224033] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2022] [Accepted: 06/06/2023] [Indexed: 06/22/2023]
Abstract
ABSTRACTMusic is increasingly used in a wide array of settings, from clinical recovery to sports or well-being interventions. Motivation related to music is often considered as a possible working mechanism for music to facilitate these processes, however this has not previously been systematically evaluated. The current systematic review considered studies that involved music (therapy) interventions, together with motivation-related measures such as wanting to practise, liking the musical activities, or patient adherence to an intervention. Our objective was to examine whether music is related to increased motivation in task performance and/or rehabilitation settings, and whether this is in turn related to better clinical or training outcomes. Seventy-nine studies met the inclusion criteria, the majority of which (85%) indicated an increased level of motivation with music as compared to without. Moreover, in those studies where motivation was increased, clinical or other outcomes were improved in most cases (90%). These results support the notion of motivation as an underlying mechanism of music-based interventions, but more robust evidence is needed to ascertain which mechanisms are crucial in increasing motivation from a behavioural, cognitive, and neurobiological point of view, as well as how motivational mechanisms relate to other factors of effectiveness in music-based paradigms.
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Affiliation(s)
- Theo Dimitriadis
- Health, Medical, and Neuropsychology Unit, Institute of Psychology, Faculty of Social and Behavioural Sciences, Leiden University, Leiden, Netherlands
- Amstelring Rehabilitation Centre and Nursing homes, Amsterdam, Netherlands
| | - Delia Della Porta
- Health, Medical, and Neuropsychology Unit, Institute of Psychology, Faculty of Social and Behavioural Sciences, Leiden University, Leiden, Netherlands
- Institute of Neuroscience (IONS), Université catholique de Louvain, Woluwe-Saint-Lambert, Belgium
- Psychological Sciences Research Institute, Université catholique de Louvain, Louvain-la-Neuve, Belgium
| | - Johanna Perschl
- Health, Medical, and Neuropsychology Unit, Institute of Psychology, Faculty of Social and Behavioural Sciences, Leiden University, Leiden, Netherlands
| | - Andrea W M Evers
- Health, Medical, and Neuropsychology Unit, Institute of Psychology, Faculty of Social and Behavioural Sciences, Leiden University, Leiden, Netherlands
- Medical Delta Healthy Society, Leiden University, Technical University Delft and Erasmus University Rotterdam, Leiden, Netherlands
- Leiden Institute for Brain and Cognition, Leiden University, Leiden, Netherlands
| | - Wendy L Magee
- Boyer College of Music and Dance, Temple University, Philadelphia, PA, USA
| | - Rebecca S Schaefer
- Health, Medical, and Neuropsychology Unit, Institute of Psychology, Faculty of Social and Behavioural Sciences, Leiden University, Leiden, Netherlands
- Leiden Institute for Brain and Cognition, Leiden University, Leiden, Netherlands
- Academy of Creative and Performing Arts, Leiden University, Leiden, Netherlands
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34
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Desai D, Patel J, Saiyed F, Upadhyay H, Kariya P, Patel J. A Literature Review on Holistic Well-Being and Dopamine Fasting: An Integrated Approach. Cureus 2024; 16:e61643. [PMID: 38966464 PMCID: PMC11223451 DOI: 10.7759/cureus.61643] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2024] [Accepted: 06/04/2024] [Indexed: 07/06/2024] Open
Abstract
Popularly known as dopaminergic detox or dopamine fasting, it is a concept that aims at reducing dependence on instant satisfaction gratification and overstimulation to attain mental clarity, lessen anxiety, and be able to enjoy everyday events again. Digital detox has been a part of the dopamine fasting concept for several years now. However, some critics argue that this notion has no scientific proof behind it and may fail to deal with the problem of dopamine dysregulation. Some intense types of dopamine fasting which include extreme isolation or strict dieting can result in damage to mental health as well as physical fitness. The objective of the article is to understand what dopamine fasting means and see the literature and evidence available on the topic. Indexes like PubMed, Scopus, OVID, Embase, and Google Scholar were searched using the keywords to understand the existing knowledge about dopamine fasting. The literature review was then written to incorporate the understanding in a way that can be implemented practically. Recent studies have shown that individuals who engage in dopamine-fasting-like ideologies may experience reduced impulsive behaviors, increased focus on tasks, and reduced overwhelm. However, extreme forms of dopamine fasting can lead to feelings of loneliness, anxiety, and malnutrition, which can have detrimental effects on mental and physical health. Hence, the effects of dopamine fasting can vary greatly among individuals, and there is no one-size-fits-all approach. It is essential to consider individual needs and preferences when incorporating dopamine fasting into one's lifestyle and explore alternative practices that align with the principles of dopamine fasting. Understanding and respecting these differences is crucial in determining the most suitable strategies for maintaining a balanced dopamine response and overall psychological health. The benefits of dopamine fasting can be tremendous if done correctly but it depends on every individual to find the correct way and in the modern day, the practices can become tough to implement.
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Affiliation(s)
- Dev Desai
- Internal Medicine, Smt. Nathiba Hargovandas Lakhmichand Municipal Medical College, Ahmedabad, IND
| | - Jekee Patel
- Surgery, Gujarat Medical Education and Research Society Medical College, Vadnagar, IND
| | - Falak Saiyed
- Internal Medicine, Smt. Nathiba Hargovandas Lakhmichand Municipal Medical College, Ahmedabad, IND
| | - Himarshi Upadhyay
- Medicine, Gujarat Medical Education and Research Society Medical College, Vadnagar, IND
| | | | - Jitendra Patel
- Physiology, Gujarat Medical Education and Research Society Medical College, Vadnagar, IND
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Tian G, Bartas K, Hui M, Chen L, Vasquez JJ, Azouz G, Derdeyn P, Manville RW, Ho EL, Fang AS, Li Y, Tyler I, Setola V, Aoto J, Abbott GW, Beier KT. Molecular and circuit determinants in the globus pallidus mediating control of cocaine-induced behavioral plasticity. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.05.29.596557. [PMID: 38853899 PMCID: PMC11160764 DOI: 10.1101/2024.05.29.596557] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2024]
Abstract
The globus pallidus externus (GPe) is a central component of the basal ganglia circuit, receiving strong input from the indirect pathway and regulating a variety of functions, including locomotor output and habit formation. We recently showed that it also acts as a gatekeeper of cocaine-induced behavioral plasticity, as inhibition of parvalbumin-positive cells in the GPe (GPe PV ) prevents the development of cocaine-induced reward and sensitization. However, the molecular and circuit mechanisms underlying this function are unknown. Here we show that GPe PV cells control cocaine reward and sensitization by inhibiting GABAergic neurons in the substantia nigra pars reticulata (SNr GABA ), and ultimately, selectively modulating the activity of ventral tegmental area dopamine (VTA DA ) cells projecting to the lateral shell of the nucleus accumbens (NAcLat). A major input to GPe PV cells is the indirect pathway of the dorsomedial striatum (DMS D 2 ), which receives DAergic innervation from collaterals of VTA DA →NAcLat cells, making this a closed-loop circuit. Cocaine likely facilitates reward and sensitization not directly through actions in the GPe, but rather in the upstream DMS, where the cocaine-induced elevation of DA triggers a depression in DMS D 2 cell activity. This cocaine-induced elevation in DA levels can be blocked by inhibition of GPe PV cells, closing the loop. Interestingly, the level of GPe PV cell activity prior to cocaine administration is correlated with the extent of reward and sensitization that animals experience in response to future administration of cocaine, indicating that GPe PV cell activity is a key predictor of future behavioral responses to cocaine. Single nucleus RNA-sequencing of GPe cells indicated that genes encoding voltage-gated potassium channels KCNQ3 and KCNQ5 that control intrinsic cellular excitability are downregulated in GPe PV cells following a single cocaine exposure, contributing to the elevation in GPe PV cell excitability. Acutely activating channels containing KCNQ3 and/or KCNQ5 using the small molecule carnosic acid, a key psychoactive component of Salvia rosmarinus (rosemary) extract, reduced GPe PV cell excitability and also impaired cocaine reward, sensitization, and volitional cocaine intake, indicating its potential as a therapeutic to counteract psychostimulant use disorder. Our findings illuminate the molecular and circuit mechanisms by which the GPe orchestrates brain-wide changes in response to cocaine that are required for reward, sensitization, and self-administration behaviors.
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36
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Howes OD, Dawkins E, Lobo MC, Kaar SJ, Beck K. New Drug Treatments for Schizophrenia: A Review of Approaches to Target Circuit Dysfunction. Biol Psychiatry 2024:S0006-3223(24)01349-0. [PMID: 38815885 DOI: 10.1016/j.biopsych.2024.05.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/29/2023] [Revised: 04/23/2024] [Accepted: 05/14/2024] [Indexed: 06/01/2024]
Abstract
Schizophrenia is a leading cause of global disease burden. Current drug treatments are associated with significant side effects and have limited efficacy for many patients, highlighting the need to develop new approaches that target other aspects of the neurobiology of schizophrenia. Preclinical, in vivo imaging, postmortem, genetic, and pharmacological studies have highlighted the key role of cortical GABAergic (gamma-aminobutyric acidergic)-glutamatergic microcircuits and their projections to subcortical dopaminergic circuits in the pathoetiology of negative, cognitive, and psychotic symptoms. Antipsychotics primarily act downstream of the dopaminergic component of this circuit. However, multiple drugs are currently in development that could target other elements of this circuit to treat schizophrenia. These include drugs for GABAergic or glutamatergic targets, including glycine transporters, D-amino acid oxidase, sodium channels, or potassium channels. Other drugs in development are likely to primarily act on pathways that regulate the dopaminergic system, such as muscarinic or trace amine receptors or 5-HT2A receptors, while PDE10A inhibitors are being developed to modulate the downstream consequences of dopaminergic dysfunction. Our review considers where new drugs may act on this circuit and their latest clinical trial evidence in terms of indication, efficacy, and side effects. Limitations of the circuit model, including whether there are neurobiologically distinct subgroups of patients, and future directions are also considered. Several drugs based on the mechanisms reviewed have promising clinical data, with the muscarinic agonist KarXT most advanced. If these drugs are approved for clinical use, they have the potential to revolutionize understanding of the pathophysiology and treatment of schizophrenia.
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Affiliation(s)
- Oliver D Howes
- Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, United Kingdom; Institute of Clinical Sciences, Faculty of Medicine, Imperial College London, London, United Kingdom; South London and Maudsley NHS Foundation Trust, Maudsley Hospital, London, United Kingdom.
| | - Eleanor Dawkins
- Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, United Kingdom; South London and Maudsley NHS Foundation Trust, Maudsley Hospital, London, United Kingdom
| | - Maria C Lobo
- South London and Maudsley NHS Foundation Trust, Maudsley Hospital, London, United Kingdom
| | - Stephen J Kaar
- Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, United Kingdom; Division of Psychology and Mental Health, School of Health Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Manchester, United Kingdom; Greater Manchester Mental Health National Health Service Foundation Trust, Manchester, United Kingdom
| | - Katherine Beck
- Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, United Kingdom; South London and Maudsley NHS Foundation Trust, Maudsley Hospital, London, United Kingdom
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37
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Brown PL, Palacorolla H, Cobb-Lewis DE, Jhou TC, McMahon P, Bell D, Elmer GI, Shepard PD. Substantia Nigra Dopamine Neuronal Responses to Habenular Stimulation and Foot Shock Are Altered by Lesions of the Rostromedial Tegmental Nucleus. Neuroscience 2024; 547:56-73. [PMID: 38636897 PMCID: PMC11144098 DOI: 10.1016/j.neuroscience.2024.04.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2024] [Revised: 03/28/2024] [Accepted: 04/11/2024] [Indexed: 04/20/2024]
Abstract
Dopamine (DA) neurons of the substantia nigra (SN) and ventral tegmental area generally respond to aversive stimuli or the absence of expected rewards with transient inhibition of firing rates, which can be recapitulated with activation of the lateral habenula (LHb) and eliminated by lesioning the intermediating rostromedial tegmental nucleus (RMTg). However, a minority of DA neurons respond to aversive stimuli, such as foot shock, with a transient increase in firing rate, an outcome that rarely occurs with LHb stimulation. The degree to which individual neurons respond to these two stimulation modalities with the same response phenotype and the role of the RMTg is not known. Here, we record responses from single SN DA neurons to alternating activation of the LHb and foot shock in male rats. Lesions of the RMTg resulted in a shift away from inhibition to no response during both foot shock and LHb stimulation. Furthermore, lesions unmasked an excitatory response during LHb stimulation. The response correspondence within the same neuron between the two activation sources was no different from chance in sham controls, suggesting that external inputs rather than intrinsic DA neuronal properties are more important to response outcome. These findings contribute to a literature that shows a complex neurocircuitry underlies the regulation of DA activity and, by extension, behaviors related to learning, anhedonia, and cognition.
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Affiliation(s)
- P Leon Brown
- Maryland Psychiatric Research Center, Department of Psychiatry, University of Maryland School of Medicine, 55 Wade Ave., Catonsville, MD 21228, USA.
| | - Heather Palacorolla
- Maryland Psychiatric Research Center, Department of Psychiatry, University of Maryland School of Medicine, 55 Wade Ave., Catonsville, MD 21228, USA
| | - Dana E Cobb-Lewis
- Maryland Psychiatric Research Center, Department of Psychiatry, University of Maryland School of Medicine, 55 Wade Ave., Catonsville, MD 21228, USA
| | - Thomas C Jhou
- Department of Neurobiology, University of Maryland School of Medicine, 620 West Lexington St., Baltimore, MD 21201, USA
| | - Pat McMahon
- Maryland Psychiatric Research Center, Department of Psychiatry, University of Maryland School of Medicine, 55 Wade Ave., Catonsville, MD 21228, USA
| | - Dana Bell
- Maryland Psychiatric Research Center, Department of Psychiatry, University of Maryland School of Medicine, 55 Wade Ave., Catonsville, MD 21228, USA
| | - Greg I Elmer
- Maryland Psychiatric Research Center, Department of Psychiatry, University of Maryland School of Medicine, 55 Wade Ave., Catonsville, MD 21228, USA
| | - Paul D Shepard
- Maryland Psychiatric Research Center, Department of Psychiatry, University of Maryland School of Medicine, 55 Wade Ave., Catonsville, MD 21228, USA
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Faget L, Oriol L, Lee WC, Zell V, Sargent C, Flores A, Hollon NG, Ramanathan D, Hnasko TS. Ventral pallidum GABA and glutamate neurons drive approach and avoidance through distinct modulation of VTA cell types. Nat Commun 2024; 15:4233. [PMID: 38762463 PMCID: PMC11102457 DOI: 10.1038/s41467-024-48340-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2023] [Accepted: 04/26/2024] [Indexed: 05/20/2024] Open
Abstract
The ventral pallidum (VP) contains GABA and glutamate neurons projecting to ventral tegmental area (VTA) whose stimulation drives approach and avoidance, respectively. Yet little is known about the mechanisms by which VP cell types shape VTA activity and drive behavior. Here, we found that both VP GABA and glutamate neurons were activated during approach to reward or by delivery of an aversive stimulus. Stimulation of VP GABA neurons inhibited VTA GABA, but activated dopamine and glutamate neurons. Remarkably, stimulation-evoked activation was behavior-contingent such that VTA recruitment was inhibited when evoked by the subject's own action. Conversely, VP glutamate neurons activated VTA GABA, as well as dopamine and glutamate neurons, despite driving aversion. However, VP glutamate neurons evoked dopamine in aversion-associated ventromedial nucleus accumbens (NAc), but reduced dopamine release in reward-associated dorsomedial NAc. These findings show how heterogeneous VP projections to VTA can be engaged to shape approach and avoidance behaviors.
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Affiliation(s)
- Lauren Faget
- Department of Neurosciences, University of California San Diego, La Jolla, CA, USA.
- Research Service, Veterans Affairs San Diego Healthcare System, San Diego, CA, USA.
| | - Lucie Oriol
- Department of Neurosciences, University of California San Diego, La Jolla, CA, USA
| | - Wen-Chun Lee
- Department of Neurosciences, University of California San Diego, La Jolla, CA, USA
| | - Vivien Zell
- Department of Neurosciences, University of California San Diego, La Jolla, CA, USA
| | - Cody Sargent
- Department of Neurosciences, University of California San Diego, La Jolla, CA, USA
| | - Andrew Flores
- Department of Neurosciences, University of California San Diego, La Jolla, CA, USA
- Research Service, Veterans Affairs San Diego Healthcare System, San Diego, CA, USA
| | - Nick G Hollon
- Department of Psychiatry, University of California, San Diego, La Jolla, CA, USA
| | - Dhakshin Ramanathan
- Research Service, Veterans Affairs San Diego Healthcare System, San Diego, CA, USA
- Department of Psychiatry, University of California, San Diego, La Jolla, CA, USA
| | - Thomas S Hnasko
- Department of Neurosciences, University of California San Diego, La Jolla, CA, USA.
- Research Service, Veterans Affairs San Diego Healthcare System, San Diego, CA, USA.
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Bornhoft KN, Prohofsky J, O'Neal TJ, Wolff AR, Saunders BT. Valence ambiguity dynamically shapes striatal dopamine heterogeneity. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.05.17.594692. [PMID: 38798567 PMCID: PMC11118546 DOI: 10.1101/2024.05.17.594692] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/29/2024]
Abstract
Adaptive decision making relies on dynamic updating of learned associations where environmental cues come to predict positive and negatively valenced stimuli, such as food or threat. Flexible cue-guided behaviors depend on a network of brain systems, including dopamine signaling in the striatum, which is critical for learning and maintenance of conditioned behaviors. Critically, it remains unclear how dopamine signaling encodes multi-valent, dynamic learning contexts, where positive and negative associations must be rapidly disambiguated. To understand this, we employed a Pavlovian discrimination paradigm, where cues predicting positive and negative outcomes were intermingled during conditioning sessions, and their meaning was serially reversed across training. We found that rats readily distinguished these cues, and updated their behavior rapidly upon valence reversal. Using fiber photometry, we recorded dopamine signaling in three major striatal subregions -,the dorsolateral striatum (DLS), the nucleus accumbens core, and the nucleus accumbens medial shell - and found heterogeneous responses to positive and negative conditioned cues and their predicted outcomes. Valence ambiguity introduced by cue reversal reshaped striatal dopamine on different timelines: nucleus accumbens core and shell signals updated more readily than those in the DLS. Together, these results suggest that striatal dopamine flexibly encodes multi-valent learning contexts, and these signals are dynamically modulated by changing contingencies to resolve ambiguity about the meaning of environmental cues.
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40
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Montgomery SE, Li L, Russo SJ, Calipari ES, Nestler EJ, Morel C, Han MH. Mesolimbic Neural Response Dynamics Predict Future Individual Alcohol Drinking in Mice. Biol Psychiatry 2024; 95:951-962. [PMID: 38061466 DOI: 10.1016/j.biopsych.2023.11.019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/22/2023] [Revised: 11/11/2023] [Accepted: 11/14/2023] [Indexed: 01/27/2024]
Abstract
BACKGROUND Individual variability in response to rewarding stimuli is a striking but understudied phenomenon. The mesolimbic dopamine system is critical in encoding the reinforcing properties of both natural reward and alcohol; however, how innate or baseline differences in the response dynamics of this circuit define individual behavior and shape future vulnerability to alcohol remain unknown. METHODS Using naturalistic behavioral assays, a voluntary alcohol drinking paradigm, in vivo fiber photometry, in vivo electrophysiology, and chemogenetics, we investigated how differences in mesolimbic neural circuit activity contribute to the individual variability seen in reward processing and, by proxy, alcohol drinking. RESULTS We first characterized heterogeneous behavioral and neural responses to natural reward and defined how these baseline responses predicted future individual alcohol-drinking phenotypes in male mice. We then determined spontaneous ventral tegmental area dopamine neuron firing profiles associated with responses to natural reward that predicted alcohol drinking. Using a dual chemogenetic approach, we mimicked specific mesolimbic dopamine neuron firing activity before or during voluntary alcohol drinking to link unique neurophysiological profiles to individual phenotype. We show that hyperdopaminergic individuals exhibit a lower neuronal response to both natural reward and alcohol that predicts lower levels of alcohol consumption in the future. CONCLUSIONS These findings reveal unique, circuit-specific neural signatures that predict future individual vulnerability or resistance to alcohol and expand the current knowledge base on how some individuals are able to titrate their alcohol consumption whereas others go on to engage in unhealthy alcohol-drinking behaviors.
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Affiliation(s)
- Sarah E Montgomery
- Nash Family Department of Neuroscience, Icahn School of Medicine at Mount Sinai, New York, New York; Friedman Brain Institute and the Center for Affective Neuroscience, Icahn School of Medicine at Mount Sinai, New York, New York; Department of Pharmacological Sciences, Icahn School of Medicine at Mount Sinai, New York, New York
| | - Long Li
- Nash Family Department of Neuroscience, Icahn School of Medicine at Mount Sinai, New York, New York; Friedman Brain Institute and the Center for Affective Neuroscience, Icahn School of Medicine at Mount Sinai, New York, New York
| | - Scott J Russo
- Nash Family Department of Neuroscience, Icahn School of Medicine at Mount Sinai, New York, New York; Friedman Brain Institute and the Center for Affective Neuroscience, Icahn School of Medicine at Mount Sinai, New York, New York
| | - Erin S Calipari
- Nash Family Department of Neuroscience, Icahn School of Medicine at Mount Sinai, New York, New York; Friedman Brain Institute and the Center for Affective Neuroscience, Icahn School of Medicine at Mount Sinai, New York, New York; Departments of Pharmacology, Molecular Physiology and Biophysics, and Psychiatry and Behavioral Sciences, Vanderbilt Center for Addiction Research, Vanderbilt Brain Institute, Vanderbilt University, Nashville, Tennessee
| | - Eric J Nestler
- Nash Family Department of Neuroscience, Icahn School of Medicine at Mount Sinai, New York, New York; Friedman Brain Institute and the Center for Affective Neuroscience, Icahn School of Medicine at Mount Sinai, New York, New York; Department of Pharmacological Sciences, Icahn School of Medicine at Mount Sinai, New York, New York
| | - Carole Morel
- Department of Pharmacological Sciences, Icahn School of Medicine at Mount Sinai, New York, New York.
| | - Ming-Hu Han
- Nash Family Department of Neuroscience, Icahn School of Medicine at Mount Sinai, New York, New York; Friedman Brain Institute and the Center for Affective Neuroscience, Icahn School of Medicine at Mount Sinai, New York, New York; Department of Pharmacological Sciences, Icahn School of Medicine at Mount Sinai, New York, New York; Department of Mental Health and Public Health, Faculty of Life and Health Sciences, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, Guangdong, China.
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Vozella V. Individual Behavioral and Neural Predictors of Future Alcohol Drinking Behavior. Biol Psychiatry 2024; 95:e23-e24. [PMID: 38692799 DOI: 10.1016/j.biopsych.2024.03.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/05/2024] [Accepted: 03/06/2024] [Indexed: 05/03/2024]
Affiliation(s)
- Valentina Vozella
- Department of Molecular Medicine, The Scripps Research Institute, La Jolla, California.
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Abe K, Kambe Y, Majima K, Hu Z, Ohtake M, Momennezhad A, Izumi H, Tanaka T, Matunis A, Stacy E, Itokazu T, Sato TR, Sato T. Functional diversity of dopamine axons in prefrontal cortex during classical conditioning. eLife 2024; 12:RP91136. [PMID: 38747563 PMCID: PMC11095940 DOI: 10.7554/elife.91136] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/18/2024] Open
Abstract
Midbrain dopamine neurons impact neural processing in the prefrontal cortex (PFC) through mesocortical projections. However, the signals conveyed by dopamine projections to the PFC remain unclear, particularly at the single-axon level. Here, we investigated dopaminergic axonal activity in the medial PFC (mPFC) during reward and aversive processing. By optimizing microprism-mediated two-photon calcium imaging of dopamine axon terminals, we found diverse activity in dopamine axons responsive to both reward and aversive stimuli. Some axons exhibited a preference for reward, while others favored aversive stimuli, and there was a strong bias for the latter at the population level. Long-term longitudinal imaging revealed that the preference was maintained in reward- and aversive-preferring axons throughout classical conditioning in which rewarding and aversive stimuli were paired with preceding auditory cues. However, as mice learned to discriminate reward or aversive cues, a cue activity preference gradually developed only in aversive-preferring axons. We inferred the trial-by-trial cue discrimination based on machine learning using anticipatory licking or facial expressions, and found that successful discrimination was accompanied by sharper selectivity for the aversive cue in aversive-preferring axons. Our findings indicate that a group of mesocortical dopamine axons encodes aversive-related signals, which are modulated by both classical conditioning across days and trial-by-trial discrimination within a day.
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Affiliation(s)
- Kenta Abe
- Department of Neuroscience, Medical University of South CarolinaCharlestonUnited States
| | - Yuki Kambe
- Department of Pharmacology, Kagoshima UniversityKagoshimaJapan
| | - Kei Majima
- Institute for Quantum Life Science, National Institutes for Quantum Science and TechnologyChibaJapan
- Japan Science and Technology PRESTOSaitamaJapan
| | - Zijing Hu
- Department of Physiology, Monash UniversityClaytonAustralia
- Neuroscience Program, Biomedicine Discovery Institute, Monash UniversityClaytonAustralia
| | - Makoto Ohtake
- Department of Neuroscience, Medical University of South CarolinaCharlestonUnited States
| | - Ali Momennezhad
- Department of Pharmacology, Kagoshima UniversityKagoshimaJapan
| | - Hideki Izumi
- Faculty of Data Science, Shiga UniversityShigaJapan
| | | | - Ashley Matunis
- Department of Neuroscience, Medical University of South CarolinaCharlestonUnited States
- Department of Biology, College of CharlestonCharlestonUnited States
- Department of Neuro-Medical Science, Osaka UniversityOsakaJapan
| | - Emma Stacy
- Department of Neuroscience, Medical University of South CarolinaCharlestonUnited States
- Department of Biology, College of CharlestonCharlestonUnited States
| | | | - Takashi R Sato
- Department of Neuroscience, Medical University of South CarolinaCharlestonUnited States
| | - Tatsuo Sato
- Department of Pharmacology, Kagoshima UniversityKagoshimaJapan
- Japan Science and Technology PRESTOSaitamaJapan
- Department of Physiology, Monash UniversityClaytonAustralia
- Neuroscience Program, Biomedicine Discovery Institute, Monash UniversityClaytonAustralia
- Japan Science and Technology FORESTSaitamaJapan
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43
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Fleury S, Kolaric R, Espera J, Ha Q, Tomaio J, Gether U, Sørensen AT, Mingote S. Role of dopamine neurons in familiarity. Eur J Neurosci 2024; 59:2522-2534. [PMID: 38650479 DOI: 10.1111/ejn.16326] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2023] [Revised: 02/15/2024] [Accepted: 03/09/2024] [Indexed: 04/25/2024]
Abstract
Dopamine neurons signal the salience of environmental stimuli and influence learning, although it is less clear if these neurons also determine the salience of memories. Ventral tegmental area (VTA) dopamine neurons increase their firing in the presence of new objects and reduce it upon repeated, inconsequential exposures, marking the shift from novelty to familiarity. This study investigates how dopamine neuron activity during repeated familiar object exposure affects an animal's preference for new objects in a subsequent novel object recognition (NOR) test. We hypothesize that a single familiarization session will not sufficiently lower dopamine activity, such that the memory of a familiar object remains salient, leading to equal exploration of familiar and novel objects and weaker NOR discrimination. In contrast, multiple familiarization sessions likely suppress dopamine activity more effectively, reducing the salience of the familiar object and enhancing subsequent novelty discrimination. Our experiments in mice indicated that multiple familiarization sessions reduce VTA dopamine neuron activation, as measured by c-Fos expression, and enhance novelty discrimination compared with a single familiarization session. Dopamine neurons that show responsiveness to novelty were primarily located in the paranigral nucleus of the VTA and expressed vesicular glutamate transporter 2 transcripts, marking them as dopamine-glutamate neurons. Chemogenetic inhibition of dopamine neurons during a single session paralleled the effects of multiple sessions, improving NOR. These findings suggest that a critical role of dopamine neurons during the transition from novelty to familiarity is to modulate the salience of an object's memory.
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Affiliation(s)
- Sixtine Fleury
- The Advanced Science Research Center, Graduate Center, City University of New York, New York, New York, USA
| | - Rhonda Kolaric
- The Advanced Science Research Center, Graduate Center, City University of New York, New York, New York, USA
| | - Justin Espera
- The Advanced Science Research Center, Graduate Center, City University of New York, New York, New York, USA
| | - Quan Ha
- The Advanced Science Research Center, Graduate Center, City University of New York, New York, New York, USA
| | - Jacquelyn Tomaio
- The Advanced Science Research Center, Graduate Center, City University of New York, New York, New York, USA
| | - Ulrik Gether
- Molecular Neuropharmacology and Genetics Laboratory, Department of Neuroscience, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Andreas Toft Sørensen
- Molecular Neuropharmacology and Genetics Laboratory, Department of Neuroscience, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Susana Mingote
- The Advanced Science Research Center, Graduate Center, City University of New York, New York, New York, USA
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Bevington CWJ, Hanania JU, Ferraresso G, Cheng JC(K, Pavel A, Su D, Stoessl AJ, Sossi V. Novel voxelwise residual analysis of [ 11C]raclopride PET data improves detection of low-amplitude dopamine release. J Cereb Blood Flow Metab 2024; 44:757-771. [PMID: 37974315 PMCID: PMC11197141 DOI: 10.1177/0271678x231214823] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Revised: 07/18/2023] [Accepted: 10/03/2023] [Indexed: 11/19/2023]
Abstract
Existing methods for voxelwise transient dopamine (DA) release detection rely on explicit kinetic modeling of the [11C]raclopride PET time activity curve, which at the voxel level is typically confounded by noise, leading to poor performance for detection of low-amplitude DA release-induced signals. Here we present a novel data-driven, task-informed method-referred to as Residual Space Detection (RSD)-that transforms PET time activity curves to a residual space where DA release-induced perturbations can be isolated and processed. Using simulations, we demonstrate that this method significantly increases detection performance compared to existing kinetic model-based methods for low-magnitude DA release (simulated +100% peak increase in basal DA concentration). In addition, results from nine healthy controls injected with a single bolus of [11C]raclopride performing a finger tapping motor task are shown as proof-of-concept. The ability to detect relatively low magnitudes of dopamine release in the human brain using a single bolus injection, while achieving higher statistical power than previous methods, may additionally enable more complex analyses of neurotransmitter systems. Moreover, RSD is readily generalizable to multiple tasks performed during a single PET scan, further extending the capabilities of task-based single-bolus protocols.
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Affiliation(s)
- Connor WJ Bevington
- Department of Physics and Astronomy, University of British Columbia, Vancouver, Canada
| | - Jordan U Hanania
- Department of Physics and Astronomy, University of British Columbia, Vancouver, Canada
| | - Giovanni Ferraresso
- Department of Mechanical Engineering, University of British Columbia, Vancouver, Canada
| | - Ju-Chieh (Kevin) Cheng
- Department of Physics and Astronomy, University of British Columbia, Vancouver, Canada
- Pacific Parkinson’s Research Centre, University of British Columbia, Vancouver, Canada
| | - Alexandra Pavel
- Pacific Parkinson’s Research Centre, University of British Columbia, Vancouver, Canada
| | - Dongning Su
- Department of Neurology, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - A Jon Stoessl
- Pacific Parkinson’s Research Centre, University of British Columbia, Vancouver, Canada
- Faculty of Medicine, Division of Neurology, University of British Columbia, Vancouver, Canada
| | - Vesna Sossi
- Department of Physics and Astronomy, University of British Columbia, Vancouver, Canada
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45
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Fermin ASR, Sasaoka T, Maekawa T, Ono K, Chan HL, Yamawaki S. Insula-cortico-subcortical networks predict interoceptive awareness and stress resilience. Asian J Psychiatr 2024; 95:103991. [PMID: 38484483 DOI: 10.1016/j.ajp.2024.103991] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/15/2023] [Revised: 02/25/2024] [Accepted: 02/28/2024] [Indexed: 05/13/2024]
Abstract
BACKGROUND Interoception, the neural sensing of visceral signals, and interoceptive awareness (IA), the conscious perception of interoception, are crucial for life survival functions and mental health. Resilience, the capacity to overcome adversity, has been associated with reduced interoceptive disturbances. Here, we sought evidence for our Insula Modular Active Control (IMAC) model that suggest that the insula, a brain region specialized in the processing of interoceptive information, realizes IA and contributes to resilience and mental health via cortico-subcortical connections. METHODS 64 healthy participants (32 females; ages 18-34 years) answered questionnaires that assess IA and resilience. Mental health was evaluated with the Beck Depression Inventory II that assesses depressive mood. Participants also underwent a 15 minute resting-state functional resonance imaging session. Pearson correlations and mediation analyses were used to investigate the relationship between IA and resilience and their contributions to depressive mood. We then performed insula seed-based functional connectivity analyzes to identify insula networks involved in IA, resilience and depressive mood. RESULTS We first demonstrated that resilience mediates the relationship between IA and depressive mood. Second, shared and distinct intra-insula, insula-cortical and insula-subcortical networks were associated with IA, resilience and also predicted the degree of experienced depressive mood. Third, while resilience was associated with stronger insula-precuneus, insula-cerebellum and insula-prefrontal networks, IA was linked with stronger intra-insula, insula-striatum and insula-motor networks. CONCLUSIONS Our findings help understand the roles of insula-cortico-subcortical networks in IA and resilience. These results also highlight the potential use of insula networks as biomarkers for depression prediction.
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Affiliation(s)
- Alan S R Fermin
- Center for Brain, Mind and Kansei Sciences Research, Hiroshima University, Hiroshima, Japan.
| | - Takafumi Sasaoka
- Center for Brain, Mind and Kansei Sciences Research, Hiroshima University, Hiroshima, Japan
| | - Toru Maekawa
- Center for Brain, Mind and Kansei Sciences Research, Hiroshima University, Hiroshima, Japan
| | - Kentaro Ono
- Center for Brain, Mind and Kansei Sciences Research, Hiroshima University, Hiroshima, Japan
| | - Hui-Ling Chan
- Center for Brain, Mind and Kansei Sciences Research, Hiroshima University, Hiroshima, Japan
| | - Shigeto Yamawaki
- Center for Brain, Mind and Kansei Sciences Research, Hiroshima University, Hiroshima, Japan
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46
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Lewis AF, Bohnenkamp R, Myers M, den Ouden DB, Fritz SL, Stewart JC. Effect of positive social comparative feedback on the resting state connectivity of dopaminergic neural pathways: A preliminary investigation. Neurobiol Learn Mem 2024; 212:107930. [PMID: 38692391 DOI: 10.1016/j.nlm.2024.107930] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2023] [Revised: 04/17/2024] [Accepted: 04/28/2024] [Indexed: 05/03/2024]
Abstract
Positive social comparative feedback is hypothesized to generate a dopamine response in the brain, similar to reward, by enhancing expectancies to support motor skill learning. However, no studies have utilized neuroimaging to examine this hypothesized dopaminergic mechanism. Therefore, the aim of this preliminary study was to investigate the effect of positive social comparative feedback on dopaminergic neural pathways measured by resting state connectivity. Thirty individuals practiced an implicit, motor sequence learning task and were assigned to groups that differed in feedback type. One group received feedback about their actual response time to complete the task (RT ONLY), while the other group received feedback about their response time with positive social comparison (RT + POS). Magnetic resonance imaging was acquired at the beginning and end of repetitive motor practice with feedback to measure practice-dependent changes in resting state brain connectivity. While both groups showed improvements in task performance and increases in performance expectancies, ventral tegmental area and the left nucleus accumbens (mesolimbic dopamine pathway) resting state connectivity increased in the RT + POS group but not in the RT ONLY group. Instead, the RT ONLY group showed increased connectivity between ventral tegmental area and primary motor cortex. Positive social comparative feedback during practice of a motor sequence task may induce a dopaminergic response in the brain along the mesolimbic pathway. However, given that absence of effects on expectancies and motor learning, more robust and individualized approaches may be needed to provide beneficial psychological and behavioral effects.
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Affiliation(s)
- Allison F Lewis
- University of South Carolina, Department of Exercise Science, Columbia, SC, USA
| | - Rachel Bohnenkamp
- University of South Carolina, Department of Exercise Science, Columbia, SC, USA
| | - Makenzie Myers
- University of South Carolina, Department of Exercise Science, Columbia, SC, USA
| | - Dirk B den Ouden
- University of South Carolina, Department of Communication Sciences and Disorders, Columbia, SC, USA
| | - Stacy L Fritz
- University of South Carolina, Department of Exercise Science, Columbia, SC, USA
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Osuch B, Misztal T, Pałatyńska K, Tomaszewska-Zaremba D. Implications of Kynurenine Pathway Metabolism for the Immune System, Hypothalamic-Pituitary-Adrenal Axis, and Neurotransmission in Alcohol Use Disorder. Int J Mol Sci 2024; 25:4845. [PMID: 38732064 PMCID: PMC11084367 DOI: 10.3390/ijms25094845] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2024] [Revised: 04/21/2024] [Accepted: 04/28/2024] [Indexed: 05/13/2024] Open
Abstract
In recent years, there has been a marked increase in interest in the role of the kynurenine pathway (KP) in mechanisms associated with addictive behavior. Numerous reports implicate KP metabolism in influencing the immune system, hypothalamic-pituitary-adrenal (HPA) axis, and neurotransmission, which underlie the behavioral patterns characteristic of addiction. An in-depth analysis of the results of these new studies highlights interesting patterns of relationships, and approaching alcohol use disorder (AUD) from a broader neuroendocrine-immune system perspective may be crucial to better understanding this complex phenomenon. In this review, we provide an up-to-date summary of information indicating the relationship between AUD and the KP, both in terms of changes in the activity of this pathway and modulation of this pathway as a possible pharmacological approach for the treatment of AUD.
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Affiliation(s)
- Bartosz Osuch
- Department of Animal Physiology, The Kielanowski Institute of Animal Physiology and Nutrition, Polish Academy of Sciences, Instytucka 3, 05-110 Jabłonna, Poland; (T.M.); (K.P.); (D.T.-Z.)
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48
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Nam KH, Ordureau A. How does the neuronal proteostasis network react to cellular cues? Biochem Soc Trans 2024; 52:581-592. [PMID: 38488108 DOI: 10.1042/bst20230316] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2023] [Revised: 03/05/2024] [Accepted: 03/07/2024] [Indexed: 04/25/2024]
Abstract
Even though neurons are post-mitotic cells, they still engage in protein synthesis to uphold their cellular content balance, including for organelles, such as the endoplasmic reticulum or mitochondria. Additionally, they expend significant energy on tasks like neurotransmitter production and maintaining redox homeostasis. This cellular homeostasis is upheld through a delicate interplay between mRNA transcription-translation and protein degradative pathways, such as autophagy and proteasome degradation. When faced with cues such as nutrient stress, neurons must adapt by altering their proteome to survive. However, in many neurodegenerative disorders, such as Parkinson's disease, the pathway and processes for coping with cellular stress are impaired. This review explores neuronal proteome adaptation in response to cellular stress, such as nutrient stress, with a focus on proteins associated with autophagy, stress response pathways, and neurotransmitters.
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Affiliation(s)
- Ki Hong Nam
- Cell Biology Program, Sloan Kettering Institute, Memorial Sloan Kettering Cancer Center, New York, NY 10065, U.S.A
| | - Alban Ordureau
- Cell Biology Program, Sloan Kettering Institute, Memorial Sloan Kettering Cancer Center, New York, NY 10065, U.S.A
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49
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Floeder JR, Jeong H, Mohebi A, Namboodiri VMK. Mesolimbic dopamine ramps reflect environmental timescales. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.03.27.587103. [PMID: 38659749 PMCID: PMC11042231 DOI: 10.1101/2024.03.27.587103] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/26/2024]
Abstract
Mesolimbic dopamine activity occasionally exhibits ramping dynamics, reigniting debate on theories of dopamine signaling. This debate is ongoing partly because the experimental conditions under which dopamine ramps emerge remain poorly understood. Here, we show that during Pavlovian and instrumental conditioning, mesolimbic dopamine ramps are only observed when the inter-trial interval is short relative to the trial period. These results constrain theories of dopamine signaling and identify a critical variable determining the emergence of dopamine ramps.
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Affiliation(s)
- Joseph R Floeder
- Neuroscience Graduate Program, University of California, San Francisco, CA, USA
| | - Huijeong Jeong
- Department of Neurology, University of California, San Francisco, CA, USA
| | - Ali Mohebi
- Department of Neurology, University of California, San Francisco, CA, USA
| | - Vijay Mohan K Namboodiri
- Neuroscience Graduate Program, University of California, San Francisco, CA, USA
- Department of Neurology, University of California, San Francisco, CA, USA
- Weill Institute for Neurosciences, Kavli Institute for Fundamental Neuroscience, Center for Integrative Neuroscience, University of California, San Francisco, CA, USA
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50
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Neo PSH, McNaughton N, Sellbom M. Midfrontal conflict theta and parietal P300 are linked to a latent factor of DSM externalising disorders. PERSONALITY NEUROSCIENCE 2024; 7:e7. [PMID: 38689856 PMCID: PMC11058520 DOI: 10.1017/pen.2023.11] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/05/2023] [Revised: 09/13/2023] [Accepted: 09/25/2023] [Indexed: 05/02/2024]
Abstract
Psychiatric illnesses form spectra rather than categories, with symptoms varying continuously across individuals, i.e., there is no clear break between health and disorder. Dimensional measures of behaviour and brain activity are promising targets for studying biological mechanisms that are common across disorders. Here, we assessed the extent to which neural measures of the sensitivity of the three biological systems in the reinforcement sensitivity theory (RST) could account for individual differences in a latent general factor estimated from symptom counts across externalising disorders (EXTs). RST explanatory power was pitted against reduced P300, a reliable indicator of externalising per previous research. We assessed 206 participants for DSM-5 EXTs (antisocial personality disorder, conduct disorder, attention-deficit/hyperactivity disorder, intermittent explosive disorder symptoms, alcohol use disorder, and cannabis use disorder). Of the final sample, 49% met diagnostic criteria for at least one of the EXTs. Electroencephalographic measures of the sensitivities of the behavioural activation system (BAS), the fight/flight/freeze system, and the behavioural inhibition system (BIS), as well as P300 were extracted from the gold bar-lemon and stop-signal tasks. As predicted, we found that low neural BIS sensitivity and low P300 were uniquely and negatively associated with our latent factor of externalising. Contrary to prediction, neural BAS/"dopamine" sensitivity was not associated with externalising. Our results provide empirical support for low BIS sensitivity and P300 as neural mechanisms common to disorders within the externalising spectrum; but, given the low N involved, future studies should seek to assess the replicability of our findings and, in particular, the differential involvement of the three RST systems.
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Affiliation(s)
- Phoebe S.-H. Neo
- Department of Psychology, University of Otago, Dunedin, New Zealand
| | - Neil McNaughton
- Department of Psychology, University of Otago, Dunedin, New Zealand
| | - Martin Sellbom
- Department of Psychology, University of Otago, Dunedin, New Zealand
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