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Pardina‐Torner H, De Paepe AE, Garcia‐Gorro C, Rodriguez‐Dechicha N, Vaquer I, Calopa M, Ruiz‐Idiago J, Mareca C, de Diego‐Balaguer R, Camara E. Disentangling the neurobiological bases of temporal impulsivity in Huntington's disease. Brain Behav 2024; 14:e3335. [PMID: 38450912 PMCID: PMC10918610 DOI: 10.1002/brb3.3335] [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: 04/12/2023] [Revised: 10/10/2023] [Accepted: 11/08/2023] [Indexed: 03/08/2024] Open
Abstract
BACKGROUND Despite its impact on daily life, impulsivity in Huntington's disease (HD) is understudied as a neuropsychiatric symptom. Our aim is to characterize temporal impulsivity in HD and to disentangle the white matter correlate associated with impulsivity. METHODS Forty-seven HD individuals and 36 healthy controls were scanned and evaluated for temporal impulsivity using a delay-discounting (DD) task and complementary Sensitivity to Punishment and Sensitivity to Reward Questionnaire. Diffusion tensor imaging was employed to characterize the structural connectivity of three limbic tracts: the uncinate fasciculus (UF), the accumbofrontal tract (NAcc-OFC), and the dorsolateral prefrontal cortex connectig the caudate nucleus (DLPFC-cn). Multiple linear regression analyses were applied to analyze the relationship between impulsive behavior and white matter microstructural integrity. RESULTS Our results revealed altered structural connectivity in the DLPC-cn, the NAcc-OFC and the UF in HD individuals. At the same time, the variability in structural connectivity of these tracts was associated with the individual differences in temporal impulsivity. Specifically, increased structural connectivity in the right NAcc-OFC and reduced connectivity in the left UF were associated with higher temporal impulsivity scores. CONCLUSIONS The present findings highlight the importance of investigating the spectrum of temporal impulsivity in HD. As, while less prevalent than other psychiatric features, this symptom is still reported to significantly impact the quality of life of patients and caregivers. This study provides evidence that individual differences observed in temporal impulsivity may be explained by variability in limbic frontostriatal tracts, while shedding light on the role of sensitivity to reward in modulating impulsive behavior through the selection of immediate rewards.
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Affiliation(s)
- Helena Pardina‐Torner
- Cognition and Brain Plasticity UnitBellvitge Biomedical Research Institute (IDIBELL)BarcelonaSpain
| | - Audrey E. De Paepe
- Cognition and Brain Plasticity UnitBellvitge Biomedical Research Institute (IDIBELL)BarcelonaSpain
| | - Clara Garcia‐Gorro
- Cognition and Brain Plasticity UnitBellvitge Biomedical Research Institute (IDIBELL)BarcelonaSpain
| | - Nadia Rodriguez‐Dechicha
- Hestia Duran i ReynalsHospital Duran i Reynals, Hospitalet de LlobregatBarcelonaSpain
- Departament de Psicologia Clínica i de la SalutUniversitat Autònoma de BarcelonaBarcelonaSpain
| | - Irene Vaquer
- Hestia Duran i ReynalsHospital Duran i Reynals, Hospitalet de LlobregatBarcelonaSpain
- Departament de Psicologia Clínica i de la SalutUniversitat Autònoma de BarcelonaBarcelonaSpain
| | - Matilde Calopa
- Movement Disorders Unit, Neurology ServiceHospital Universitari de BellvitgeBarcelonaSpain
- ICREA (Catalan Institute for Research and Advanced Studies)BarcelonaSpain
| | - Jesus Ruiz‐Idiago
- Department of Psychiatry and Forensic MedicineUniversitat Autònoma de BarcelonaBarcelonaSpain
- Hospital Mare de Deu de la MercèBarcelonaSpain
| | - Celia Mareca
- Department of Psychiatry and Forensic MedicineUniversitat Autònoma de BarcelonaBarcelonaSpain
- Hospital Mare de Deu de la MercèBarcelonaSpain
| | - Ruth de Diego‐Balaguer
- Cognition and Brain Plasticity UnitBellvitge Biomedical Research Institute (IDIBELL)BarcelonaSpain
- Department of Cognition, Development and Education PsychologyUniversitat de BarcelonaBarcelonaSpain
- Institute of NeurosciencesUniversitat de BarcelonaBarcelonaSpain
- ICREA (Catalan Institute for Research and Advanced Studies)BarcelonaSpain
| | - Estela Camara
- Cognition and Brain Plasticity UnitBellvitge Biomedical Research Institute (IDIBELL)BarcelonaSpain
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Lin Y, Feng T. Lateralization of self-control over the dorsolateral prefrontal cortex in decision-making: a systematic review and meta-analytic evidence from noninvasive brain stimulation. COGNITIVE, AFFECTIVE & BEHAVIORAL NEUROSCIENCE 2024; 24:19-41. [PMID: 38212486 DOI: 10.3758/s13415-023-01148-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 12/11/2023] [Indexed: 01/13/2024]
Abstract
The dorsolateral prefrontal cortex (DLPFC) has been widely recognized as a crucial brain "control area." Recently, its causal role in promoting deliberate decision-making through self-control and the asymmetric performance of the left and right DLPFC in control functions have attracted the interest of many researchers. This study was designed to investigate the role of DLPFC in decision-making behaviors and lateralization of its control function by systematically examining the effects of noninvasive brain stimulation (NIBS) over the DLPFC on intertemporal choice, risk decision-making, and social fairness-related decision-making tasks. Literature searches were implemented at PubMed, Embase, Cochrane, Web of Science, Wanfang Data, China Science and Technology Journal Database, and China National Knowledge Infrastructure until May 10, 2022. Meta-analytic results for included studies were estimated by random-effect models. A total of 33 eligible studies were identified, yielding 130 effect sizes. Our results indicated that compared to sham group, excitatory NIBS over the left DLPFC reduced delay discounting rate (standardized mean differences, SMD = -0.51; 95% confidence interval, 95% CI: [-0.81, -0.21]) and risk-taking performance (SMD = -0.39, 95% CI [-0.68, -0.10]), and inhibitory NIBS over the right DLPFC increased self-interested choice of unfair offers (SMD = 0.50, 95% CI [0.04, 0.97]). Finding of current work indicated that neural excitement of the DLPFC activation improve individuals' self-control during decision-makings, whereas neural inhibition results in impaired control. In addition, our analyses furnish causal evidence for the presence of functional lateralization in the left and right DLPFC in monetary impulsive decision-making and social decision-making, respectively.
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Affiliation(s)
- Yongle Lin
- Faculty of Psychology, Southwest University, Chongqing, China
| | - Tingyong Feng
- Faculty of Psychology, Southwest University, Chongqing, China.
- Key Laboratory of Cognition and Personality, Ministry of Education, Chongqing, China.
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Li Z, Zhang W, Du Y. Neural mechanisms of intertemporal and risky decision-making in individuals with internet use disorder: A perspective from directed functional connectivity. J Behav Addict 2023; 12:907-919. [PMID: 38047946 PMCID: PMC10786221 DOI: 10.1556/2006.2023.00068] [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: 05/15/2023] [Revised: 09/01/2023] [Accepted: 11/10/2023] [Indexed: 12/05/2023] Open
Abstract
Background and aims The intertemporal and risk decision-making impairments are vital cognitive mechanisms in internet use disorder (IUD). However, the underlying neural mechanisms for these two decision-making dysfunctions in individuals with IUD remain unclear. Methods This study employed Functional Near-Infrared Spectroscopy (fNIRS) to record changes in blood oxygen concentration in the prefrontal cortex of individuals with IUD during intertemporal and risk decision-making tasks. Results The findings revealed that the intertemporal decision-making deficits in IUD group were primarily associated with reduced activation in the left dorsolateral prefrontal cortex (dlPFC) and orbitofrontal cortex (OFC) and FC from the left dlPFC to the right dlPFC. On the other hand, risk decision-making impairments were linked to decreased OFC activation and weakened functional connectivity from the left dlPFC to the right dlPFC and OFC. Discussions and Conslusions These results suggested that while there were common neural mechanisms underlying intertemporal and risk decision-making impairments in individuals with IUD, specific neural foundations existed for each type of dysfunction.
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Affiliation(s)
- Ziyi Li
- School of Psychology, Central China Normal University, Hubei, China
- Key Laboratory of Adolescent Cyberpsychology and Behavior (CCNU), Ministry of Education, Wuhan, China
- Hubei Human Development and Mental Health Key Laboratory (Central China Normal University), China
| | - Wei Zhang
- School of Psychology, Central China Normal University, Hubei, China
- Key Laboratory of Adolescent Cyberpsychology and Behavior (CCNU), Ministry of Education, Wuhan, China
- Hubei Human Development and Mental Health Key Laboratory (Central China Normal University), China
| | - Yunjing Du
- School of Psychology, Central China Normal University, Hubei, China
- Key Laboratory of Adolescent Cyberpsychology and Behavior (CCNU), Ministry of Education, Wuhan, China
- Hubei Human Development and Mental Health Key Laboratory (Central China Normal University), China
- Multidisciplinary Digital Publishing Institute, Switzerland
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Moro AS, Saccenti D, Vergallito A, Scaini S, Malgaroli A, Ferro M, Lamanna J. Transcranial direct current stimulation (tDCS) over the orbitofrontal cortex reduces delay discounting. Front Behav Neurosci 2023; 17:1239463. [PMID: 37693283 PMCID: PMC10483138 DOI: 10.3389/fnbeh.2023.1239463] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2023] [Accepted: 08/08/2023] [Indexed: 09/12/2023] Open
Abstract
Delay discounting (DD) is a quantifiable psychological phenomenon that regulates decision-making. Nevertheless, the neural substrates of DD and its relationship with other cognitive domains are not well understood. The orbitofrontal cortex (OFC) is a potential candidate for supporting the expression of DD, but due to its wide involvement in several psychological functions and neural networks, its central role remains elusive. In this study, healthy subjects underwent transcranial direct current stimulation (tDCS) while performing an intertemporal choice task for the quantification of DD and a working memory task. To selectively engage the OFC, two electrode configurations have been tested, namely, anodal Fp1-cathodal Fp2 and cathodal Fp1-anodal Fp2. Our results show that stimulation of the OFC reduces DD, independently from electrode configuration. In addition, no relationship was found between DD measures and either working memory performance or baseline impulsivity assessed through established tests. Our work will direct future investigations aimed at unveiling the specific neural mechanisms underlying the involvement of the OFC in DD, and at testing the efficacy of OFC tDCS in reducing DD in psychological conditions where this phenomenon has been strongly implicated, such as addiction and eating disorders.
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Affiliation(s)
- Andrea Stefano Moro
- Department of Psychology, Sigmund Freud University, Milan, Italy
- Center for Behavioral Neuroscience and Communication (BNC), Vita-Salute San Raffaele University, Milan, Italy
- Transcranial Magnetic Stimulation Unit, Italian Psychotherapy Clinics, Milan, Italy
| | - Daniele Saccenti
- Department of Psychology, Sigmund Freud University, Milan, Italy
- Transcranial Magnetic Stimulation Unit, Italian Psychotherapy Clinics, Milan, Italy
| | | | - Simona Scaini
- Department of Psychology, Sigmund Freud University, Milan, Italy
- Child and Youth Lab, Sigmund Freud University, Milan, Italy
- Child and Adolescent Unit, Italian Psychotherapy Clinics, Milan, Italy
| | - Antonio Malgaroli
- Center for Behavioral Neuroscience and Communication (BNC), Vita-Salute San Raffaele University, Milan, Italy
- Faculty of Psychology, Vita-Salute San Raffaele University, Milan, Italy
- San Raffaele Turro, IRCCS Ospedale San Raffaele, Milan, Italy
| | - Mattia Ferro
- Department of Psychology, Sigmund Freud University, Milan, Italy
- Center for Behavioral Neuroscience and Communication (BNC), Vita-Salute San Raffaele University, Milan, Italy
- Transcranial Magnetic Stimulation Unit, Italian Psychotherapy Clinics, Milan, Italy
| | - Jacopo Lamanna
- Center for Behavioral Neuroscience and Communication (BNC), Vita-Salute San Raffaele University, Milan, Italy
- Faculty of Psychology, Vita-Salute San Raffaele University, Milan, Italy
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Nejati V, Mirikaram F, Rad JA. Transcranial direct current stimulation alters the process of reward processing in children with ADHD: Evidence from cognitive modeling. Neurophysiol Clin 2023; 53:102884. [PMID: 37224617 DOI: 10.1016/j.neucli.2023.102884] [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: 11/25/2022] [Revised: 04/21/2023] [Accepted: 04/21/2023] [Indexed: 05/26/2023] Open
Abstract
BACKGROUND The ventromedial prefrontal cortex (vmPFC) and dorsolateral prefrontal cortex (dlPFC) are the neural underpinnings of reward processing, which is impaired in individuals with attention deficit hyperactivity disorder (ADHD). In the present study, we aimed to explore the impact of the vmPFC and the dlPFC regulation on reward processing. METHODS Twenty-six children with ADHD performed the balloon analogue risk-taking task (BART) and chocolate delay discounting task (CDDT) during five different sessions of transcranial direct current stimulation (tDCS), separated by a one-week interval: anodal left dlPFC/cathodal right vmPFC, the reversed electrode positioning, anodal left dlPFC stimulation with extracranial return electrode, anodal right vmPFC stimulation with extracranial return electrodes, and sham stimulation. Four-parameter and constant-sensitivity models were used to model the data. RESULTS In the BART, anodal dlPFC/cathodal vmPFC stimulation facilitated conservative decision making, anodal tDCS over dlPFC with extracranial return electrode increased positive beliefs about the explosion of a balloon, and anodal vmPFC/cathodal dlPFC stimulation reduced ongoing learning in the process of decision making. In the CDDT, anodal vmPFC stimulation with extracranial return electrode decreased impatience in the process of the task. CONCLUSION These results suggest a role of the left dlPFC and right vmPFC in the outcome of decision making and the process of risky decision making and delay discounting.
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Affiliation(s)
- Vahid Nejati
- Department of Psychology, Shahid Beheshti University, Tehran, Iran.
| | - Fateme Mirikaram
- Department of Psychology, Shahid Beheshti University, Tehran, Iran
| | - Jamal Amani Rad
- Department of Cognitive Modeling, Institute of Cognitive and Brain Sciences, Shahid Beheshti University, Tehran, Iran
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6
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Reyna VF, Müller SM, Edelson SM. Critical tests of fuzzy trace theory in brain and behavior: uncertainty across time, probability, and development. COGNITIVE, AFFECTIVE & BEHAVIORAL NEUROSCIENCE 2023; 23:746-772. [PMID: 36828988 PMCID: PMC9957613 DOI: 10.3758/s13415-022-01058-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Accepted: 12/22/2022] [Indexed: 02/26/2023]
Abstract
Uncertainty permeates decisions from the trivial to the profound. Integrating brain and behavioral evidence, we discuss how probabilistic (varied outcomes) and temporal (delayed outcomes) uncertainty differ across age and individuals; how critical tests adjudicate between theories of uncertainty (prospect theory and fuzzy-trace theory); and how these mechanisms might be represented in the brain. The same categorical gist representations of gains and losses account for choices and eye-tracking data in both value-allocation (add money to gambles) and risky-choice tasks, disconfirming prospect theory and confirming predictions of fuzzy-trace theory. The analysis is extended to delay discounting and disambiguated choices, explaining hidden-zero effects that similarly turn on categorical distinctions between some gain and no gain, certain gain and uncertain gain, gain and loss, and now and later. Bold activation implicates dorsolateral prefrontal and posterior parietal cortices in gist strategies that are not just one tool in a grab-bag of cognitive options but rather are general strategies that systematically predict behaviors across many different tasks involving probabilistic and temporal uncertainty. High valuation (e.g., ventral striatum; ventromedial prefrontal cortex) and low executive control (e.g., lateral prefrontal cortex) contribute to risky and impatient choices, especially in youth. However, valuation in ventral striatum supports reward-maximizing and gist strategies in adulthood. Indeed, processing becomes less "rational" in the sense of maximizing gains and more noncompensatory (eye movements indicate fewer tradeoffs) as development progresses from adolescence to adulthood, as predicted. Implications for theoretically predicted "public-health paradoxes" are discussed, including gist versus verbatim thinking in drug experimentation and addiction.
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Affiliation(s)
| | - Silke M. Müller
- Department General Psychology: Cognition, University of Duisburg-Essen, Duisburg, Germany
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Stanković M, Bjekić J, Filipović SR. Effects of Transcranial Electrical Stimulation on Gambling and Gaming: A Systematic Review of Studies on Healthy Controls, Participants with Gambling/Gaming Disorder, and Substance Use Disorder. J Clin Med 2023; 12:jcm12103407. [PMID: 37240512 DOI: 10.3390/jcm12103407] [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: 03/16/2023] [Revised: 04/12/2023] [Accepted: 04/18/2023] [Indexed: 05/28/2023] Open
Abstract
Gambling disorder (GD) and internet gaming disorder (IGD) are formally recognized behavioral addictions with a rapidly growing prevalence and limited treatment options. Recently, transcranial electrical stimulation (tES) techniques have emerged as potentially promising interventions for improving treatment outcomes by ameliorating cognitive functions implicated in addictive behaviors. To systematize the current state of evidence and better understand whether and how tES can influence gambling and gaming-related cognitive processes, we conducted a PRISMA-guided systematic review of the literature, focusing on tES effects on gaming and gambling in a diverse range of population samples, including healthy participants, participants with GD and IGD, as well as participants with substance abuse addictions. Following the literature search in three bibliographic databases (PubMed, Web of Science, and Scopus), 40 publications were included in this review, with 26 conducted on healthy participants, 6 focusing on GD and IGD patients, and 8 including participants with other addictions. Most of the studies targeted the dorsolateral prefrontal cortex, using transcranial direct current stimulation (tDCS), and assessed the effects on cognition, using gaming and gambling computerized cognitive tasks measuring risk taking and decision making, e.g., balloon analogue risk task, Iowa gambling task, Cambridge gambling task, etc. The results indicated that tES could change gambling and gaming task performances and positively influence GD and IGD symptoms, with 70% of studies showing neuromodulatory effects. However, the results varied considerably depending on the stimulation parameters, sample characteristics, as well as outcome measures used. We discuss the sources of this variability and provide further directions for the use of tES in the context of GD and IGD treatment.
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Affiliation(s)
- Marija Stanković
- Human Neuroscience Group, Institute for Medical Research, University of Belgrade, 11000 Belgrade, Serbia
| | - Jovana Bjekić
- Human Neuroscience Group, Institute for Medical Research, University of Belgrade, 11000 Belgrade, Serbia
| | - Saša R Filipović
- Human Neuroscience Group, Institute for Medical Research, University of Belgrade, 11000 Belgrade, Serbia
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8
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Neural Correlates of Delay Discounting in the Light of Brain Imaging and Non-Invasive Brain Stimulation: What We Know and What Is Missed. Brain Sci 2023; 13:brainsci13030403. [PMID: 36979213 PMCID: PMC10046576 DOI: 10.3390/brainsci13030403] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Revised: 02/15/2023] [Accepted: 02/24/2023] [Indexed: 03/02/2023] Open
Abstract
In decision making, the subjective value of a reward declines with the delay to its receipt, describing a hyperbolic function. Although this phenomenon, referred to as delay discounting (DD), has been extensively characterized and reported in many animal species, still, little is known about the neuronal processes that support it. Here, after drawing a comprehensive portrait, we consider the latest neuroimaging and lesion studies, the outcomes of which often appear contradictory among comparable experimental settings. In the second part of the manuscript, we focus on a more recent and effective route of investigation: non-invasive brain stimulation (NIBS). We provide a comprehensive review of the available studies that applied transcranial magnetic stimulation (TMS) and transcranial direct current stimulation (tDCS) to affect subjects’ performance in DD tasks. The aim of our survey is not only to highlight the superiority of NIBS in investigating DD, but also to suggest targets for future experimental studies, since the regions considered in these studies represent only a fraction of the possible ones. In particular, we argue that, based on the available neurophysiological evidence from lesion and brain imaging studies, a very promising and underrepresented region for future neuromodulation studies investigating DD is the orbitofrontal cortex.
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9
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Zhang Q, Wang S, Zhu Q, Yan J, Zhang T, Zhang J, Jin Z, Li L. The brain stimulation of DLPFC regulates choice preference in intertemporal choice self-other differences. Behav Brain Res 2023; 440:114265. [PMID: 36549573 DOI: 10.1016/j.bbr.2022.114265] [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: 10/12/2022] [Revised: 12/08/2022] [Accepted: 12/14/2022] [Indexed: 12/24/2022]
Abstract
Intertemporal choice requires to make decision by evaluating the value of two options consisting of different times and benefits. The dorsolateral prefrontal cortex (DLPFC) is a key brain region for modulating intertemporal choice. The aim of this study is to investigate the effect of non-invasive brain stimulation over DLPFC on intertemporal choice behavior for self and others. We used transcranial direct current stimulation (tDCS) and continuous theta burst stimulation (cTBS) to stimulate bilateral DLPFC in two experiments respectively. After stimulation, subjects made a choice between a Smaller-Sooner (SS) reward and a Larger-Later (LL) reward in intertemporal choice task. The results showed that cTBS stimulation on the left DLPFC reduced the choice preference for SS reward when individuals made choices for themselves. The cTBS stimulation caused preference difference between choosing for self and parents. But tDCS stimulation had no effect on regulating choice preference. In addition, subjects preferred SS reward for self than strangers. Time-types and monetary difference of rewards affected the choice preference. The presence of immediate time increased the choice preference of SS reward. As the monetary difference increased, the choice proportion of SS reward decreased. Our study demonstrates that brain stimulation on the left DLPFC can regulate choice preference behavior in intertemporal choice.
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Affiliation(s)
- Qiuzhu Zhang
- MOE Key Lab for Neuroinformation, High-Field Magnetic Resonance Brain Imaging Key Laboratory of Sichuan Province, Center for Psychiatry and Psychology, School of Life Science and Technology, University of Electronic Science and Technology of China, Chengdu 610054, China
| | - Song Wang
- MOE Key Lab for Neuroinformation, High-Field Magnetic Resonance Brain Imaging Key Laboratory of Sichuan Province, Center for Psychiatry and Psychology, School of Life Science and Technology, University of Electronic Science and Technology of China, Chengdu 610054, China
| | - Qian Zhu
- MOE Key Lab for Neuroinformation, High-Field Magnetic Resonance Brain Imaging Key Laboratory of Sichuan Province, Center for Psychiatry and Psychology, School of Life Science and Technology, University of Electronic Science and Technology of China, Chengdu 610054, China
| | - Jing Yan
- MOE Key Lab for Neuroinformation, High-Field Magnetic Resonance Brain Imaging Key Laboratory of Sichuan Province, Center for Psychiatry and Psychology, School of Life Science and Technology, University of Electronic Science and Technology of China, Chengdu 610054, China
| | - Tingting Zhang
- MOE Key Lab for Neuroinformation, High-Field Magnetic Resonance Brain Imaging Key Laboratory of Sichuan Province, Center for Psychiatry and Psychology, School of Life Science and Technology, University of Electronic Science and Technology of China, Chengdu 610054, China
| | - Junjun Zhang
- MOE Key Lab for Neuroinformation, High-Field Magnetic Resonance Brain Imaging Key Laboratory of Sichuan Province, Center for Psychiatry and Psychology, School of Life Science and Technology, University of Electronic Science and Technology of China, Chengdu 610054, China
| | - Zhenlan Jin
- MOE Key Lab for Neuroinformation, High-Field Magnetic Resonance Brain Imaging Key Laboratory of Sichuan Province, Center for Psychiatry and Psychology, School of Life Science and Technology, University of Electronic Science and Technology of China, Chengdu 610054, China.
| | - Ling Li
- MOE Key Lab for Neuroinformation, High-Field Magnetic Resonance Brain Imaging Key Laboratory of Sichuan Province, Center for Psychiatry and Psychology, School of Life Science and Technology, University of Electronic Science and Technology of China, Chengdu 610054, China.
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Hu Y, Lu X, Zheng W, Wang L, Yu P. The Neurobase of ambiguity loss aversion about decision making. Front Psychol 2023; 14:1055640. [PMID: 36777223 PMCID: PMC9908603 DOI: 10.3389/fpsyg.2023.1055640] [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: 09/28/2022] [Accepted: 01/11/2023] [Indexed: 01/27/2023] Open
Abstract
In our daily decision-making, there are two confusing problems: risk and ambiguity. Many psychological studies and neuroscience studies have shown that the prefrontal cortex (PFC) is an important neural mechanism for modulating the human brain in risk and ambiguity decision-making, especially the dorsolateral prefrontal cortex (DLPFC). We used transcranial direct current stimulation (tDCS) to reveal the causal relationship between the DLPFC and ambiguity decision-making. We design two experimental tasks involving ambiguity to gain and ambiguity to loss. The results of our study show that there is a significant effect on left DLPFC stimulation about ambiguity to loss, there is an insignificant effect on left DLPFC stimulation about ambiguity to gain, and there is an insignificant effect on right DLPFC stimulation about ambiguity to gain and ambiguity to loss. This result indicates that people are more sensitive to ambiguity loss than ambiguity gain. Further analysis found that the degree of participants' attitudes toward ambiguity loss who received anodal simulation was lower than that who received sham stimulation across the left DLPFC, which means that the subjects had a strong ambiguity loss aversion after the participants received the anodal simulation of the left DLPFC.
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Affiliation(s)
- Yiqin Hu
- School of Economics, Zhejiang University of Finance and Economics, Hangzhou, China,Center for Economic Behavior and Decision-Making (CEBD), Zhejiang University of Finance and Economics, Hangzhou, China
| | - Xinbo Lu
- Center for Economic Behavior and Decision-Making (CEBD), Zhejiang University of Finance and Economics, Hangzhou, China,School of Economics, Jiaxing University, Jiaxing, China
| | - Wanjun Zheng
- School of Economics, Zhejiang University of Finance and Economics, Hangzhou, China,Center for Economic Behavior and Decision-Making (CEBD), Zhejiang University of Finance and Economics, Hangzhou, China
| | - Luting Wang
- School of Economics, Zhejiang University of Finance and Economics, Hangzhou, China,Center for Economic Behavior and Decision-Making (CEBD), Zhejiang University of Finance and Economics, Hangzhou, China
| | - Ping Yu
- School of Economics, Zhejiang University of Finance and Economics, Hangzhou, China,Center for Economic Behavior and Decision-Making (CEBD), Zhejiang University of Finance and Economics, Hangzhou, China,*Correspondence: Ping Yu, ✉
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Ye Y, Wang Y. Multivariate analysis differentiates intertemporal choices in both value and cognitive control network. Front Neurosci 2023; 17:1037294. [PMID: 36925738 PMCID: PMC10011120 DOI: 10.3389/fnins.2023.1037294] [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: 09/05/2022] [Accepted: 02/14/2023] [Indexed: 03/06/2023] Open
Abstract
Choices between immediate smaller reward and long-term larger reward are referred to as intertemporal choice. Numerous functional magnetic resonance imaging (fMRI) studies have investigated the neural substrates of intertemporal choice via conventional univariate analytical approaches, revealing dissociable activations of decisions involving immediately available rewards and decisions involving delayed rewards in value network. With the help of multivariate analyses, which is more sensitive for evaluating information encoded in spatially distributed patterns, we showed that fMRI activity patterns represent viable signatures of intertemporal choice, as well as individual differences while controlling for age. Notably, in addition to value network, regions from cognitive control network play prominent roles in differentiating between different intertemporal choices as well as individuals with distinct discount rates. These findings provide clear evidence that substantiates the important role of value and cognitive control networks in the neural representation of one's intertemporal decisions.
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Affiliation(s)
- Yuting Ye
- Institute of Psychology, School of Public Affairs, Xiamen University, Xiamen, China
| | - Yanqing Wang
- Institute of Psychology, Chinese Academy of Sciences, Beijing, China.,Department of Psychology, University of Chinese Academy of Sciences, Beijing, China
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Lisoni J, Barlati S, Deste G, Ceraso A, Nibbio G, Baldacci G, Vita A. Efficacy and tolerability of Brain Stimulation interventions in Borderline Personality Disorder: state of the art and future perspectives - A systematic review. Prog Neuropsychopharmacol Biol Psychiatry 2022; 116:110537. [PMID: 35176417 DOI: 10.1016/j.pnpbp.2022.110537] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/20/2021] [Revised: 02/11/2022] [Accepted: 02/11/2022] [Indexed: 12/28/2022]
Abstract
Treating Borderline Personality Disorder (BPD) is a major challenge for psychiatrists. As Brain Stimulation represents an alternative approach to treat psychiatric disorders, our systematic review is the first to focus on both invasive and Non-Invasive Brain Stimulation (NIBS) interventions in people living with BPD, examining clinical effects over core features and comorbid conditions. Following PRISMA guidelines, out of 422 original records, 24 papers were included regarding Deep Brain Stimulation (n = 1), Electroconvulsive therapy (n = 5), Transcranial Magnetic Stimulation (n = 13) and transcranial Direct Current Stimulation (n = 5). According to impulsivity and emotional dysregulated domain improvements, NIBS in BPD appears to restore frontolimbic network deficiencies. NIBS seems also to modulate depressive features. Safety and tolerability profiles for each technique are discussed. Despite encouraging results, definitive recommendations on Brain Stimulation in BPD are mitigated by protocols heterogeneity, lack of randomized controlled trials and poor quality of included studies, including high risk of methodological biases. To serve as guide for future systematic investigations, protocols optimization proposals are provided, focusing on alternative stimulation sites and suggesting a NIBS symptom-based approach.
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Affiliation(s)
- Jacopo Lisoni
- Department of Mental Health and Addiction Services, ASST Spedali Civili of Brescia, Brescia, Italy, Piazzale Spedali Civili 1, 25123 Brescia, Italy.
| | - Stefano Barlati
- Department of Mental Health and Addiction Services, ASST Spedali Civili of Brescia, Brescia, Italy, Piazzale Spedali Civili 1, 25123 Brescia, Italy; Department of Clinical and Experimental Sciences, University of Brescia, Brescia, Italy, Viale Europa 11, 25123 Brescia, Italy.
| | - Giacomo Deste
- Department of Mental Health and Addiction Services, ASST Spedali Civili of Brescia, Brescia, Italy, Piazzale Spedali Civili 1, 25123 Brescia, Italy
| | - Anna Ceraso
- Department of Mental Health and Addiction Services, ASST Spedali Civili of Brescia, Brescia, Italy, Piazzale Spedali Civili 1, 25123 Brescia, Italy; Department of Clinical and Experimental Sciences, University of Brescia, Brescia, Italy, Viale Europa 11, 25123 Brescia, Italy
| | - Gabriele Nibbio
- Department of Clinical and Experimental Sciences, University of Brescia, Brescia, Italy, Viale Europa 11, 25123 Brescia, Italy
| | - Giulia Baldacci
- Department of Clinical and Experimental Sciences, University of Brescia, Brescia, Italy, Viale Europa 11, 25123 Brescia, Italy
| | - Antonio Vita
- Department of Mental Health and Addiction Services, ASST Spedali Civili of Brescia, Brescia, Italy, Piazzale Spedali Civili 1, 25123 Brescia, Italy; Department of Clinical and Experimental Sciences, University of Brescia, Brescia, Italy, Viale Europa 11, 25123 Brescia, Italy.
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13
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Dennison JB, Sazhin D, Smith DV. Decision neuroscience and neuroeconomics: Recent progress and ongoing challenges. WILEY INTERDISCIPLINARY REVIEWS. COGNITIVE SCIENCE 2022; 13:e1589. [PMID: 35137549 PMCID: PMC9124684 DOI: 10.1002/wcs.1589] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/05/2020] [Revised: 11/28/2021] [Accepted: 12/21/2021] [Indexed: 01/10/2023]
Abstract
In the past decade, decision neuroscience and neuroeconomics have developed many new insights in the study of decision making. This review provides an overarching update on how the field has advanced in this time period. Although our initial review a decade ago outlined several theoretical, conceptual, methodological, empirical, and practical challenges, there has only been limited progress in resolving these challenges. We summarize significant trends in decision neuroscience through the lens of the challenges outlined for the field and review examples where the field has had significant, direct, and applicable impacts across economics and psychology. First, we review progress on topics including reward learning, explore-exploit decisions, risk and ambiguity, intertemporal choice, and valuation. Next, we assess the impacts of emotion, social rewards, and social context on decision making. Then, we follow up with how individual differences impact choices and new exciting developments in the prediction and neuroforecasting of future decisions. Finally, we consider how trends in decision-neuroscience research reflect progress toward resolving past challenges, discuss new and exciting applications of recent research, and identify new challenges for the field. This article is categorized under: Psychology > Reasoning and Decision Making Psychology > Emotion and Motivation.
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Affiliation(s)
- Jeffrey B Dennison
- Department of Psychology, Temple University, Philadelphia, Pennsylvania, USA
| | - Daniel Sazhin
- Department of Psychology, Temple University, Philadelphia, Pennsylvania, USA
| | - David V Smith
- Department of Psychology, Temple University, Philadelphia, Pennsylvania, USA
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14
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Nejati V, Sarraj Khorrami A, Nitsche MA. Transcranial Direct Current Stimulation Improves Reward Processing in Children With ADHD. J Atten Disord 2021; 25:1623-1631. [PMID: 32468889 DOI: 10.1177/1087054720923094] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Objective: Individuals with ADHD have deficits in reward processing and related cognitive tasks such as delay discounting and risky decision-making. The ventromedial prefrontal cortex (vmPFC) and dorsolateral prefrontal cortex (dlPFC) are two distinct cortical areas that are involved in reward processing. Methods: Twenty children with ADHD received transcranial direct current stimulation (tDCS) in three separate sessions with one of three montages each, including anodal/cathodal tDCS over the left dlPFC and right vmPFC respectively, the reversed montage, and a sham stimulation condition. During stimulation, in each session, participants performed the balloon analogue risk taking and chocolate delay discounting tasks. Results: A significant effect of stimulation condition on emotional processing was observed. Specifically, anodal tDCS over the right vmPFC, coupled with cathodal tDCS over the left dlPFC, reduced risky decision-making and delay discounting. Conclusion: These results imply that the left dlPFC and right vmPFC are involved in reward processing in children with ADHD. This finding is discussed in the light of the delay aversion theory of ADHD.
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Affiliation(s)
| | | | - Michael A Nitsche
- Leibniz Research Centre for Working Environment and Human Factors, Dortmund, Germany.,University Medical Hospital Bergmannsheil, Bochum, Germany
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15
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Terenzi D, Catalan M, Polverino P, Bertolotti C, Manganotti P, Rumiati RI, Aiello M. Effects of tDCS on reward responsiveness and valuation in Parkinson's patients with impulse control disorders. J Neurol 2021; 269:1557-1565. [PMID: 34333702 DOI: 10.1007/s00415-021-10733-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2021] [Revised: 07/18/2021] [Accepted: 07/26/2021] [Indexed: 11/29/2022]
Abstract
Parkinson's disease (PD) patients with impulse control disorders (ICD) frequently report hypersensitivity to rewards. However, a few studies have explored the effectiveness of modulation techniques on symptoms experienced by these patients. In this study, we assessed the effect of anodal tDCS over the DLPFC on reward responsiveness and valuation in PD patients with ICD. 43 participants (15 PD patients with ICD, 13 PD without ICD, and 15 healthy matched controls) were asked to perform a reward-craving test employing both explicit (self-ratings of liking and wanting) and implicit (heart rate and skin conductance response) measures, as well as two temporal discounting tasks with food and money rewards. Each participant performed the experimental tasks during active anodal tDCS of the left dorsolateral prefrontal cortex (DLPFC), anodal tDCS of the primary motor cortex (M1), and sham tDCS. Results showed increased wanting and a steeper temporal discounting of rewards in PD with ICD compared to the other groups. Moreover, we found that PD without ICD exhibit reduced liking for rewards. tDCS results capable to modulate the altered intensity of PD patients' liking, but not wanting and temporal discounting of rewards in PD patients with ICD. These findings confirm that alterations in reward responsiveness and valuation are characteristics of impulse control disorders in patients with PD but suggest that anodal tDCS over the left DLPFC is not capable to influence these processes. At the same time, they provide new insight into affective experience of rewards in PD.
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Affiliation(s)
- Damiano Terenzi
- Area of Neuroscience, SISSA, Via Bonomea, 265, Trieste, TS, Italy.,Department of Decision Neuroscience and Nutrition, German Institute of Human Nutrition, Potsdam Rehbrücke, Nuthetal, Germany.,Berlin Institute of Health, Neuroscience Research Center, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität Zu Berlin, Berlin, Germany.,Deutsches Zentrum Für Diabetes, Neuherberg, Germany
| | - Mauro Catalan
- Clinical Unit of Neurology, Department of Medical Sciences, University Hospital and Health Services of Trieste, University of Trieste, Trieste, Italy
| | - Paola Polverino
- Clinical Unit of Neurology, Department of Medical Sciences, University Hospital and Health Services of Trieste, University of Trieste, Trieste, Italy
| | - Claudio Bertolotti
- Clinical Unit of Neurology, Department of Medical Sciences, University Hospital and Health Services of Trieste, University of Trieste, Trieste, Italy
| | - Paolo Manganotti
- Clinical Unit of Neurology, Department of Medical Sciences, University Hospital and Health Services of Trieste, University of Trieste, Trieste, Italy
| | - Raffaella I Rumiati
- Area of Neuroscience, SISSA, Via Bonomea, 265, Trieste, TS, Italy.,SSAS - Scuola superiore di Studi Avanzati Sapienza, Rome, Italy
| | - Marilena Aiello
- Area of Neuroscience, SISSA, Via Bonomea, 265, Trieste, TS, Italy.
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16
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Xu T, Sirois FM, Zhang L, Yu Z, Feng T. Neural basis responsible for self-control association with procrastination: Right MFC and bilateral OFC functional connectivity with left dlPFC. JOURNAL OF RESEARCH IN PERSONALITY 2021. [DOI: 10.1016/j.jrp.2021.104064] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
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17
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Obeso I, Herrero MT, Ligneul R, Rothwell JC, Jahanshahi M. A Causal Role for the Right Dorsolateral Prefrontal Cortex in Avoidance of Risky Choices and Making Advantageous Selections. Neuroscience 2021; 458:166-179. [PMID: 33476698 DOI: 10.1016/j.neuroscience.2020.12.035] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2020] [Revised: 11/30/2020] [Accepted: 12/31/2020] [Indexed: 11/29/2022]
Abstract
In everyday life, risky decision-making relies on multiple cognitive processes including sensitivity to reinforcers, exploration, learning, and forgetting. Neuroimaging evidence suggests that the dorsolateral prefrontal cortex (DLPFC) is involved in exploration and risky decision-making, but the nature of its computations and its causal role remain uncertain. We provide evidence for the role of the DLPFC in value-independent, directed exploration on the Iowa Gambling Task (IGT) and we describe a new computational model to account for the competition of directed exploration and exploitation in guiding decisions. Forty-two healthy human participants were included in a right DLPFC, left DLPFC or sham stimulation groups using continuous theta-burst stimulation (cTBS). Immediately after cTBS, the IGT was completed. Computational modelling was used to account for exploration and exploitation with different combinations with value-based and sensitivity to reinforcers for each group. Applying cTBS to the left and right DLPFC selectively decreased directed exploration on the IGT compared to sham stimulation. Model-based analyses further indicated that the right (but not the left) DLPFC stimulation increased sensitivity to reinforcers, leading to avoidance of risky choices and promoting advantageous choices during the task. Although these findings are based on small sample sizes per group, they nevertheless elucidate the causal role of the right DLPFC in governing the exploration-exploitation tradeoff during decision-making in uncertain and ambiguous contexts.
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Affiliation(s)
- Ignacio Obeso
- HM Hospitales - HM CINAC, 28938 Móstoles, and CEU-San Pablo University, 28003 Madrid, Spain.
| | - Maria-Trinidad Herrero
- Clinical & Experimental Neuroscience (NiCE-IMIB-IUIE), Department of Human Anatomy & Psychobiology, School of Medicine, Campus Espinardo, University of Murcia, 30071 Murcia, Spain
| | - Romain Ligneul
- Donders Institute for Brain, Cognition and Behaviour, Montessorilaan 3, 6525 HR Nijmejen, Netherlands
| | - John C Rothwell
- Department of Clinical and Movement Neuroscience, UCL Queen Square Institute of Neurology, 33 Queen Square, London WC1N3BG, United Kingdom
| | - Marjan Jahanshahi
- Department of Clinical and Movement Neuroscience, UCL Queen Square Institute of Neurology, 33 Queen Square, London WC1N3BG, United Kingdom; Clinical Hospital of Chengdu Brain Science Institute, MOE Key Lab for Neuroinformation, University of Electronic Science and Technology of China, Chengdu, China.
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18
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Pettorruso M, Miuli A, Di Natale C, Montemitro C, Zoratto F, De Risio L, d'Andrea G, Dannon PN, Martinotti G, di Giannantonio M. Non-invasive brain stimulation targets and approaches to modulate gambling-related decisions: A systematic review. Addict Behav 2021; 112:106657. [PMID: 32987305 DOI: 10.1016/j.addbeh.2020.106657] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2020] [Revised: 08/23/2020] [Accepted: 09/10/2020] [Indexed: 12/20/2022]
Abstract
INTRODUCTION Despite intense neuroscience research on the neurobiological underpinnings of Gambling Disorder (GD) and gambling-related decision-making, effective treatments targeting these dysfunctions are still lacking. Non Invasive Brain Stimulation (NIBS) techniques, such as transcranial Direct Current Stimulation (tDCS) and Transcranial Magnetic Stimulation (TMS), selectively modulate activity of brain circuits and have the potential to reverse alterations sustaining GD symptoms. Therefore, the aim of this systematic review was to determine the impact of different NIBS interventions on gambling-related decision processes. METHODS We conducted a comprehensive and translational search in three online databases (MEDLINE via PubMed, Scopus, Web of Science), in accordance with the PRISMA guidelines. We included studies applying neuromodulation (TMS, tDCS) techniques in GD patients or assessing gambling-related decision-making in healthy subjects. In addition, we explored the potential impact of NIBS in drug-induced GD (e.g., Parkinson's Disease). RESULTS Twenty-seven studies have been included. We summarized results to detect the impact of different targets and stimulation/inhibition protocols in terms of gambling-related decision-making. The majority of both tDCS and TMS studies targeted the dorsolateral prefrontal cortex. Although heterogeneous in protocols and parameters, results from tDCS and TMS studies converge in indicating that the stimulation (instead of inhibition) of prefrontal regions could be beneficial to contrast dysfunctional gambling-related decision processes. CONCLUSION NIBS interventions show promise to be further tested in controlled clinical settings for the treatment of behavioral addictions. Further studies are also necessary to investigate connectivity changes and laterality issues (unilateral versus bilateral; left versus right) of NIBS application in GD.
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19
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Wang Y, Wang X, Wang K, Zhao B, Chen X. Decision-making impairments under ambiguous and risky situations in patients with prefrontal tumor: A neuropsychological study. Brain Behav 2021; 11:e01951. [PMID: 33210470 PMCID: PMC7821570 DOI: 10.1002/brb3.1951] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/04/2020] [Revised: 10/04/2020] [Accepted: 10/31/2020] [Indexed: 11/15/2022] Open
Abstract
INTRODUCTION The neural mechanism underlying decision-making, which is an important component of executive function, is complex and not fully understood. Few studies have directly investigated the two types of decision-making functions - under ambiguity and under risk - in patients with brain tumors in different brain regions. METHODS Participants were classified into the ventral prefrontal cortex tumor group (VPFC, n = 27), the dorsolateral prefrontal cortex tumor group (DLPFC, n = 29), and matched healthy controls (HCs, n = 32). All participants were given a battery of neuropsychological tests, and they then performed the Iowa Gambling Task (IGT) and the Game of Dice Task (GDT) to assess their decision-making under ambiguity and under risk, respectively. RESULTS The two patient groups performed significantly worse on attention, memory, information processing, and executive function. Additionally, patients in the DLPFC group performed significantly worse on the memory and information processing tests compared with the VPFC and HC groups. CONCLUSION This study found that the decision-making functions of participants in the VPFC and DLPFC tumor groups were impaired to varying degrees. Among them, there was decision-making impairment under ambiguity and under risk in the VPFC group, and there was decision-making impairment under risk in the DLPFC group.
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Affiliation(s)
- Yuyang Wang
- Department of Neurosurgery, the Second Affiliated Hospital of Anhui Medical University, Hefei, China.,Collaborative Innovation Centre of Neuropsychiatric Disorder and Mental Health, Anhui Province, China
| | - Xukou Wang
- Department of Neurosurgery, the Fourth Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Kai Wang
- Collaborative Innovation Centre of Neuropsychiatric Disorder and Mental Health, Anhui Province, China.,Department of Neurology, the First Affiliated Hospital of Anhui Medical University, Hefei, China.,Anhui Province Key Laboratory of Cognition and Neuropsychiatric Disorders, Hefei, China
| | - Bing Zhao
- Department of Neurosurgery, the Second Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Xingui Chen
- Collaborative Innovation Centre of Neuropsychiatric Disorder and Mental Health, Anhui Province, China.,Department of Neurology, the First Affiliated Hospital of Anhui Medical University, Hefei, China.,Anhui Province Key Laboratory of Cognition and Neuropsychiatric Disorders, Hefei, China
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20
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Díaz Batanero C, Sanchez-Garcia M, Fernández-Calderón F, Lozano OM. Decision making in substance use disorder patients: Reliability, convergent validity and sensitivity to change of a new behavioral measure. J Clin Exp Neuropsychol 2020; 42:998-1009. [PMID: 33153371 DOI: 10.1080/13803395.2020.1840519] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
OBJECTIVE The Iowa Gambling Task (IGT) and the Delay Discounting Test (DDT) are two of the most widely used decision-making tests within the field of addiction research. The IGT creates a context of uncertainty where immediate rewards or long-term benefits are chosen, whilst the DDT measures the change in value of a reward as the time taken to obtain it increases. The objective of this study was to analyze the psychometric properties of a new task: Deciding about your health (DAYH), which integrates both components. METHOD Longitudinal observational study. The sample was composed of 97 patients being treated for cocaine use disorder. The DAYH, IGT, DDT and other instruments for measuring dependence severity were administered. Relapse was evaluated within 3 and 6 months after the baseline assessment. RESULTS Reliability was indicated by an intraclass correlation coefficient (r) of. 80. DAYH scores showed significant relationships with IGT (r = -.237; p <.05), although not with DDT (r =.048) scores. A relationship was also found between DAYH and dependency severity (r = -.213; p <.05) and craving (r = -.231; p <.05). The DAYH scores showed sensitivity to change, and the capacity to predict relapse. CONCLUSIONS These findings indicate the utility of DAYH for exploring decision-making in patients with substance use disorders. The relationships with IGT and DDT also indicate the need to further investigate how decisions are made in various contexts of choice.
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Affiliation(s)
- C Díaz Batanero
- Department of Clinical and Experimental Psychology, University of Huelva , Huelva, Spain.,Research Center for Natural Resources, Health and the Environment, University of Huelva , Huelva, Spain
| | - M Sanchez-Garcia
- Department of Clinical and Experimental Psychology, University of Huelva , Huelva, Spain.,Research Center for Natural Resources, Health and the Environment, University of Huelva , Huelva, Spain
| | - Fermín Fernández-Calderón
- Department of Clinical and Experimental Psychology, University of Huelva , Huelva, Spain.,Research Center for Natural Resources, Health and the Environment, University of Huelva , Huelva, Spain
| | - O M Lozano
- Department of Clinical and Experimental Psychology, University of Huelva , Huelva, Spain.,Research Center for Natural Resources, Health and the Environment, University of Huelva , Huelva, Spain
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21
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Zucchella C, Mantovani E, Federico A, Lugoboni F, Tamburin S. Non-invasive Brain Stimulation for Gambling Disorder: A Systematic Review. Front Neurosci 2020; 14:729. [PMID: 33013280 PMCID: PMC7461832 DOI: 10.3389/fnins.2020.00729] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2020] [Accepted: 06/18/2020] [Indexed: 12/18/2022] Open
Abstract
Background: Gambling disorder (GD) is the most common behavioral addiction and shares pathophysiological and clinical features with substance use disorders (SUDs). Effective therapeutic interventions for GD are lacking. Non-invasive brain stimulation (NIBS) may represent a promising treatment option for GD. Objective: This systematic review aimed to provide a comprehensive and structured overview of studies applying NIBS techniques to GD and problem gambling. Methods: A literature search using Pubmed, Web of Science, and Science Direct was conducted from databases inception to December 19, 2019, for studies assessing the effects of repetitive transcranial magnetic stimulation (rTMS) and transcranial direct current stimulation (t-DCS) on subjects with GD or problem gambling. Studies using NIBS techniques on healthy subjects and those without therapeutic goals but only aiming to assess basic neurophysiology measures were excluded. Results: A total of 269 articles were title and abstract screened, 13 full texts were assessed, and 11 were included, of which six were controlled and five were uncontrolled. Most studies showed a reduction of gambling behavior, craving for gambling, and gambling-related symptoms. NIBS effects on psychiatric symptoms were less consistent. A decrease of the behavioral activation related to gambling was also reported. Some studies reported modulation of behavioral measures (i.e., impulsivity, cognitive and attentional control, decision making, cognitive flexibility). Studies were not consistent in terms of NIBS protocol, site of stimulation, clinical and surrogate outcome measures, and duration of treatment and follow-up. Sample size was small in most studies. Conclusions: The clinical and methodological heterogeneity of the included studies prevented us from drawing any firm conclusion on the efficacy of NIBS interventions for GD. Further methodologically sound, robust, and well-powered studies are needed.
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Affiliation(s)
- Chiara Zucchella
- Neurology Unit, Department of Neurosciences, Verona University Hospital, Verona, Italy
| | - Elisa Mantovani
- Department of Neurosciences, Biomedicine and Movement Sciences, University of Verona, Verona, Italy
| | - Angela Federico
- Department of Neurosciences, Biomedicine and Movement Sciences, University of Verona, Verona, Italy
| | - Fabio Lugoboni
- Addiction Medicine Unit, Department of Medicine, Verona University Hospital, Verona, Italy
| | - Stefano Tamburin
- Neurology Unit, Department of Neurosciences, Verona University Hospital, Verona, Italy.,Department of Neurosciences, Biomedicine and Movement Sciences, University of Verona, Verona, Italy
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22
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Teti Mayer J, Chopard G, Nicolier M, Gabriel D, Masse C, Giustiniani J, Vandel P, Haffen E, Bennabi D. Can transcranial direct current stimulation (tDCS) improve impulsivity in healthy and psychiatric adult populations? A systematic review. Prog Neuropsychopharmacol Biol Psychiatry 2020; 98:109814. [PMID: 31715284 DOI: 10.1016/j.pnpbp.2019.109814] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/11/2019] [Revised: 10/25/2019] [Accepted: 11/08/2019] [Indexed: 12/16/2022]
Abstract
Impulsivity is a multidimensional phenomenon that remains hard to define. It compounds the core pathological construct of many neuropsychiatric illnesses, and despite its close relation to suicide risk, it currently has no specific treatment. Transcranial direct current stimulation (tDCS) is a non-invasive brain stimulation technique whose application results in cognitive function improvement, both in healthy and psychiatric populations. Following PRISMA recommendations, a systematic review of the literature concerning tDCS's effects on impulsive behaviour was performed using the PubMed database. The research was based on the combination of the keyword 'tDCS' with 'impulsivity', 'response inhibition', 'risk-taking', 'planning', 'delay discounting' or 'craving'. The initial search yielded 309 articles, 92 of which were included. Seventy-four papers demonstrated improvement in task performance related to impulsivity in both healthy and clinical adult populations. However, results were often inconsistent. The conditions associated with improvement, such as tDCS parameters and other aspects that may influence tDCS's outcomes, are discussed. The overall effects of tDCS on impulsivity are promising. Yet further research is required to develop a more comprehensive understanding of impulsivity, allowing for a more accurate assessment of its behavioural outcomes as well as a definition of tDCS therapeutic protocols for impulsive disorders.
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Affiliation(s)
- Juliana Teti Mayer
- Service de Psychiatrie de l'Adulte, Centre Hospitalier Universitaire de Besançon, 25030 Besançon Cedex, France; Laboratoire de Neurosciences Intégratives et Cliniques EA 481, Université de Bourgogne Franche-Comté, 19 rue Ambroise Paré, 25000 Besançon, France.
| | - Gilles Chopard
- Service de Psychiatrie de l'Adulte, Centre Hospitalier Universitaire de Besançon, 25030 Besançon Cedex, France; Laboratoire de Neurosciences Intégratives et Cliniques EA 481, Université de Bourgogne Franche-Comté, 19 rue Ambroise Paré, 25000 Besançon, France; Centre Mémoire Ressources et Recherche, Centre Hospitalier Universitaire de Besançon, 25030 Besançon Cedex, France
| | - Magali Nicolier
- Service de Psychiatrie de l'Adulte, Centre Hospitalier Universitaire de Besançon, 25030 Besançon Cedex, France; Centre d'Investigation Clinique, INSERM CIC 1431, Centre Hospitalier Universitaire de Besançon, 25030 Besançon Cedex, France; Laboratoire de Neurosciences Intégratives et Cliniques EA 481, Université de Bourgogne Franche-Comté, 19 rue Ambroise Paré, 25000 Besançon, France
| | - Damien Gabriel
- Centre d'Investigation Clinique, INSERM CIC 1431, Centre Hospitalier Universitaire de Besançon, 25030 Besançon Cedex, France; Laboratoire de Neurosciences Intégratives et Cliniques EA 481, Université de Bourgogne Franche-Comté, 19 rue Ambroise Paré, 25000 Besançon, France
| | - Caroline Masse
- Service de Psychiatrie de l'Adulte, Centre Hospitalier Universitaire de Besançon, 25030 Besançon Cedex, France; Laboratoire de Neurosciences Intégratives et Cliniques EA 481, Université de Bourgogne Franche-Comté, 19 rue Ambroise Paré, 25000 Besançon, France
| | - Julie Giustiniani
- Service de Psychiatrie de l'Adulte, Centre Hospitalier Universitaire de Besançon, 25030 Besançon Cedex, France; Centre d'Investigation Clinique, INSERM CIC 1431, Centre Hospitalier Universitaire de Besançon, 25030 Besançon Cedex, France; Laboratoire de Neurosciences Intégratives et Cliniques EA 481, Université de Bourgogne Franche-Comté, 19 rue Ambroise Paré, 25000 Besançon, France
| | - Pierre Vandel
- Service de Psychiatrie de l'Adulte, Centre Hospitalier Universitaire de Besançon, 25030 Besançon Cedex, France; Laboratoire de Neurosciences Intégratives et Cliniques EA 481, Université de Bourgogne Franche-Comté, 19 rue Ambroise Paré, 25000 Besançon, France; Centre Mémoire Ressources et Recherche, Centre Hospitalier Universitaire de Besançon, 25030 Besançon Cedex, France
| | - Emmanuel Haffen
- Service de Psychiatrie de l'Adulte, Centre Hospitalier Universitaire de Besançon, 25030 Besançon Cedex, France; Centre d'Investigation Clinique, INSERM CIC 1431, Centre Hospitalier Universitaire de Besançon, 25030 Besançon Cedex, France; Laboratoire de Neurosciences Intégratives et Cliniques EA 481, Université de Bourgogne Franche-Comté, 19 rue Ambroise Paré, 25000 Besançon, France; Centre Expert Dépression Résistante FondaMental, Centre Hospitalier Universitaire de Besançon, 25030 Besançon Cedex, France
| | - Djamila Bennabi
- Service de Psychiatrie de l'Adulte, Centre Hospitalier Universitaire de Besançon, 25030 Besançon Cedex, France; Centre d'Investigation Clinique, INSERM CIC 1431, Centre Hospitalier Universitaire de Besançon, 25030 Besançon Cedex, France; Laboratoire de Neurosciences Intégratives et Cliniques EA 481, Université de Bourgogne Franche-Comté, 19 rue Ambroise Paré, 25000 Besançon, France; Centre Expert Dépression Résistante FondaMental, Centre Hospitalier Universitaire de Besançon, 25030 Besançon Cedex, France
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He Q, Li D, Turel O, Bechara A, Hser YI. White matter integrity alternations associated with cocaine dependence and long-term abstinence: Preliminary findings. Behav Brain Res 2019; 379:112388. [PMID: 31783090 DOI: 10.1016/j.bbr.2019.112388] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2019] [Revised: 11/21/2019] [Accepted: 11/25/2019] [Indexed: 01/19/2023]
Abstract
Cocaine dependence has been associated with deficits in white matter (WM) integrity. Nevertheless, what happens to WM integrity after long-term abstinence is not fully understood. To bridge this gap, changes in WM integrity were examined with diffusion tensor imaging (DTI) applied to 39 participants: 12 participants who used cocaine in the last year (CURRENT USERS), 20 who were at different stages of cocaine abstinence (ABSTINENCE) [five with 1-5 years of abstinence (ABS1), five with 6-10 years of abstinence (ABS2), and 10 with over 10 years of abstinence (ABS3)], and 7 healthy controls (CONTROLS). The CONTROL group had higher fractional anisotropy (FA) compared to CURRENT USERS in frontal cortex tracts, including the bilateral corpus callosum, bilateral superior longitudinal fasciculus, bilateral inferior fronto-occipital fasciculus, left internal capsule, left middle cingulum, and left ventral and dorsal medial frontal regions. The ABSTINENCE group also had higher FA compared to CURRENT USERS in frontal cortex tracts, such as the bilateral corpus callosum, bilateral superior longitudinal fasciculus, left inferior longitudinal fasciculus, left uncinate fasciculus, left inferior fronto-occipital fasciculus, and the left ventral and dorsal medial frontal regions. Tractography analysis showed (1) deficits in terms of number of fibers and fiber length in these regions, and that (2) while there was some recovery of white matter in dorsolateral regions during abstinence, duration of abstinence was not associated with such recovery. The results identified WM differences among cocaine users, cocaine abstinent participants, and controls. These preliminary findings point to WM tracts that recover, and some that do not, after long-term abstinence from cocaine.
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Affiliation(s)
- Qinghua He
- Faculty of Psychology, Southwest University, Beibei, Chongqing, China; Brain and Creativity Institute and Department of Psychology, University of Southern California, Los Angeles, CA, USA.
| | - Dandan Li
- Faculty of Psychology, Southwest University, Beibei, Chongqing, China
| | - Ofir Turel
- Brain and Creativity Institute and Department of Psychology, University of Southern California, Los Angeles, CA, USA; Information Systems and Decision Sciences, California State University, Fullerton, CA, USA
| | - Antoine Bechara
- Brain and Creativity Institute and Department of Psychology, University of Southern California, Los Angeles, CA, USA
| | - Yih-Ing Hser
- Center for Advancing Longitudinal Drug Abuse Research, University of California, Los Angeles, CA, USA
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24
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Wen Y, Turel O, Peng Y, Lv C, He Q. Cathodal stimulating the left DLPFC changes risk disposition toward common risky behaviors in daily-life. Neurosci Lett 2019; 709:134400. [DOI: 10.1016/j.neulet.2019.134400] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2019] [Revised: 06/19/2019] [Accepted: 07/21/2019] [Indexed: 12/28/2022]
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25
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Yin HZ, Cheng M, Li D. The right dorsolateral prefrontal cortex is essential in seconds range timing, but not in milliseconds range timing: An investigation with transcranial direct current stimulation. Brain Cogn 2019; 135:103568. [PMID: 31252307 DOI: 10.1016/j.bandc.2019.05.006] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2019] [Revised: 04/14/2019] [Accepted: 05/16/2019] [Indexed: 11/17/2022]
Abstract
It is unclear whether altering the activity of the right dorsolateral prefrontal cortex (right DLPFC) affects an individual's timing performance in milliseconds- and seconds range timing. Here we investigated the causal role of right DLPFC in milliseconds- and seconds range timing with a temporal bisection task under the application of transcranial direct current stimulation (tDCS) that altered the neural activities of the right DLPFC. The tDCS conditions consisted of anodal, cathodal, and sham conditions. The electrodes were placed over the F4 position (10-20 system) and on the left supraorbital forehead. In current study, participants completed two blocks of trials involving short ("Short blocks": 200-800 ms) or longer ("Long blocks": 1400-2600 ms) durations. The results showed that no significant differences in the bisection point (BP) were found among anodal condition, sham condition and cathodal condition in "Short blocks". However, in "Long blocks", the BP were found to be shifted toward the left for the anodal condition, sham condition, compared to cathodal condition, suggesting that the stimulus duration was judged to last longer for anodal condition compared to sham condition, whereas shorter for cathodal condition compared to sham condition. The results demonstrated that the right DLPFC played a causal role in seconds range timing (average duration 2000 ms), but not in milliseconds range timing (average duration 500 ms), which is shown it might be involved in the cognitive processing (for example, working memory process) based on dual-timing system and scalar timing theory.
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Affiliation(s)
- H Z Yin
- School of Education of Science, Hunan Normal University, Changsha 410081, China; Cogniton and Human Behavior Key Laboratory of Hunan Province, Hunan Normal University, Changsha 410081, China.
| | - M Cheng
- Scientific Research Department, Army Medical University, Chongqing 400038, China
| | - D Li
- School of Education of Science, Hunan Normal University, Changsha 410081, China; Cogniton and Human Behavior Key Laboratory of Hunan Province, Hunan Normal University, Changsha 410081, China.
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26
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Jin X, Chen C, Zhou X, Yang X. Stimulating the Dorsolateral Prefrontal Cortex Decreases the Asset Bubble: A tDCS Study. Front Psychol 2019; 10:1031. [PMID: 31143146 PMCID: PMC6521735 DOI: 10.3389/fpsyg.2019.01031] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2018] [Accepted: 04/18/2019] [Indexed: 11/13/2022] Open
Abstract
Many studies have discussed the neural basis of asset bubbles. They found that the dorsolateral prefrontal cortex (DLPFC) played an important role in bubble formation, but whether a causal relationship exists and the mechanism of the effect of the DLPFC on bubbles remains unsettled. Using transcranial direct current stimulation (tDCS), we modulated the activity of the DLPFC and investigated the causal relationship between the DLPFC and the asset bubble in the classical learning-to-forecast experiment. 126 subjects were randomly divided into three groups and received different stimulations (left anodal/right cathodal, right anodal/left cathodal, or sham stimulation), respectively. We also conducted a 2-back task before and after stimulation to measure changes in subjects' cognitive abilities and explore in detail the cognitive mechanism of the effect of DLPFC stimulation on asset bubbles. Based on our results, we found that the bubble of the left anodal/right cathodal stimulation group was significantly smaller than that of the sham stimulation group. In the meantime, subjects performed significantly better in the 2-back task after left anodal/right cathodal stimulation but not right anodal/left cathodal or sham stimulation, which is consistent with their performance in the learning-to-forecast experiment, supporting the cognitive mechanism to some extent. Furthermore, we examined different forecasting rules across individuals and discovered that the left anodal/right cathodal stimulation group preferred the adaptive learning rule, while the sham and right anodal/left cathodal stimulation groups adopted a pure trend-following rule that tended to intensify market volatility aggressively.
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Affiliation(s)
- Xuejun Jin
- College of Economics, Zhejiang University, Hangzhou, China
| | - Cheng Chen
- College of Economics, Zhejiang University, Hangzhou, China
| | - Xue Zhou
- College of Economics, Zhejiang University, Hangzhou, China
| | - Xiaolan Yang
- School of Business and Management, Shanghai International Studies University, Shanghai, China.,Academy of Financial Research, Zhejiang University, Hangzhou, China
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Xiong G, Li X, Dong Z, Cai S, Huang J, Li Q. Modulating Activity in the Prefrontal Cortex Changes Intertemporal Choice for Loss: A Transcranial Direct Current Stimulation Study. Front Hum Neurosci 2019; 13:167. [PMID: 31178709 PMCID: PMC6543463 DOI: 10.3389/fnhum.2019.00167] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2019] [Accepted: 05/07/2019] [Indexed: 12/18/2022] Open
Abstract
Intertemporal choice refers to decisions involving tradeoffs between costs and benefits occurring at different times. Studies have found that weighting the time and benefits during decision-making involves a complex neural network that includes the dorsolateral prefrontal cortex (DLPFC). However, in contrast to literature regarding intertemporal choice for gains, studies have not provided causal evidence that the DLPFC is involved in intertemporal choice for losses. We examined whether bifrontal transcranial direct current stimulation (tDCS) applied over the right and left prefrontal cortex can alter the balance of intertemporal preference in the loss condition. A total of 60 participants performed delay discounting tasks for losses while receiving either right anodal/left cathodal, left anodal/right cathodal, or sham stimulation. The results showed that participants tended to choose larger delayed losses after receiving left anodal/right cathodal tDCS. Left anodal/right cathodal tDCS significantly decreased the discounting rate compared with the sham stimulation. These findings confirm that DLPFC activity is critical during intertemporal decision-making for losses.
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Affiliation(s)
- Guanxing Xiong
- School of Economics and Management, South China Normal University, Guangzhou, China.,Key Lab for Behavioral Economic Science & Technology, South China Normal University, Guangzhou, China
| | - Xi Li
- School of Economics and Management, South China Normal University, Guangzhou, China.,Key Lab for Behavioral Economic Science & Technology, South China Normal University, Guangzhou, China
| | - Zhiqiang Dong
- School of Economics and Management, South China Normal University, Guangzhou, China.,Key Lab for Behavioral Economic Science & Technology, South China Normal University, Guangzhou, China
| | - Shenggang Cai
- School of Economics and Management, South China Normal University, Guangzhou, China.,Key Lab for Behavioral Economic Science & Technology, South China Normal University, Guangzhou, China
| | - Jianye Huang
- School of Economics and Management, South China Normal University, Guangzhou, China.,Key Lab for Behavioral Economic Science & Technology, South China Normal University, Guangzhou, China
| | - Qian Li
- School of Economics and Management, South China Normal University, Guangzhou, China.,Key Lab for Behavioral Economic Science & Technology, South China Normal University, Guangzhou, China
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Effect of transcranial direct current stimulation on decision making and cognitive flexibility in gambling disorder. Eur Arch Psychiatry Clin Neurosci 2019; 269:275-284. [PMID: 30367243 DOI: 10.1007/s00406-018-0948-5] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/19/2018] [Accepted: 10/19/2018] [Indexed: 12/13/2022]
Abstract
Decision making and cognitive flexibility are two components of cognitive control that play a critical role in the emergence, persistence, and relapse of gambling disorder. Transcranial direct current stimulation (tDCS) over the dorsolateral prefrontal cortex (DLPFC) has been reported to enhance decision making and cognitive flexibility in healthy volunteers and individuals with addictive disorders. In this triple-blind randomized sham-controlled parallel study, we aimed to determine whether tDCS over DLPFC would modulate decision making and cognitive flexibility in individuals with gambling disorder. Twenty participants with gambling disorder were administered Iowa Gambling Task (IGT) and Wisconsin Card Sorting Test (WCST). Subsequently, participants were administered three every other day sessions of active right anodal /left cathodal tDCS (20 min, 2 mA) or sham stimulation over bilateral DLPFC. WCST and IGT were readministered following the last session. Baseline clinical severity, depression, impulsivity levels, and cognitive performance were similar between groups. TDCS over the DLPFC resulted in more advantageous decision making (F1,16 = 8.128, p = 0.01, ɳp2 =0.33) and better cognitive flexibility (F1,16 =8.782, p = 0.009, ɳp2 = 0.35), representing large effect sizes. The results suggest for the first time that tDCS enhanced decision making and cognitive flexibility in gambling disorder. Therefore, tDCS may be a promising neuromodulation-based therapeutic approach in gambling disorder.Trial registration: Clinicaltrials.gov NCT03477799.
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Albein-Urios N, Chase H, Clark L, Kirkovski M, Davies C, Enticott PG. Increased perseverative errors following high-definition transcranial direct current stimulation over the ventrolateral cortex during probabilistic reversal learning. Brain Stimul 2019; 12:959-966. [PMID: 30833215 DOI: 10.1016/j.brs.2019.02.013] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2018] [Revised: 02/06/2019] [Accepted: 02/18/2019] [Indexed: 01/31/2023] Open
Abstract
BACKGROUND The prefrontal cortex regulates behavioural adaptation in response to feedback. However, the causal role of different prefrontal regions remains unclear, based on indirect evidence derived from functional neuroimaging. Neuroimaging studies show dorsomedial prefrontal activation during feedback monitoring, whereas the ventrolateral prefrontal cortex engages during behavioural adaptation (shifting). OBJECTIVE We used high-definition transcranial direct current stimulation (HD-tDCS) to elucidate the roles of the ventrolateral prefrontal cortex (vlPFC) and the dorsomedial prefrontal cortex (dmPFC) in behaviour change, using a probabilistic reversal learning task (PRLT). METHOD Fifty-two healthy adults were randomly assigned to receive cathodal HD-tDCS to inhibit the vlPFC or the dmPFC versus sham stimulation, prior to completing the PRLT. The outcome measures were the number of perseverative errors and the electroencephalography (EEG) signals of feedback-related negativity (FRN) in the PRLT. We hypothesised that inhibition of the vlPFC would be specifically associated with more perseverative errors and weaker FRNs. RESULTS We found that vlPFC inhibition was associated with higher perseverative errors compared to sham and dmPFC stimulation conditions. Although there were no statistically significant differences in FRN amplitudes, the effect sizes indicate an association between inhibition of the vlPFC and lower FRN amplitudes. CONCLUSION Our findings support a causal role of the vlPFC on feedback-based behavioural adaptation, which is critical for adaptive goal-driven behaviour.
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Affiliation(s)
- Natalia Albein-Urios
- Cognitive Neuroscience Unit, School of Psychology, Deakin University, Geelong, Victoria, Australia.
| | - Henry Chase
- Department of Psychiatry, University of Pittsburgh, PA, USA
| | - Luke Clark
- Centre for Gambling Research at UBC, Department of Psychology, University of British Columbia, Vancouver, Canada
| | - Melissa Kirkovski
- Cognitive Neuroscience Unit, School of Psychology, Deakin University, Geelong, Victoria, Australia
| | - Charlotte Davies
- Cognitive Neuroscience Unit, School of Psychology, Deakin University, Geelong, Victoria, Australia
| | - Peter G Enticott
- Cognitive Neuroscience Unit, School of Psychology, Deakin University, Geelong, Victoria, Australia
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Zhu X, Liu S, Liao W, Kong L, Jiang C, Yuan F. Executive function deficit in betel-quid-dependent chewers: Mediating role of prefrontal cortical thickness. J Psychopharmacol 2018; 32:1362-1368. [PMID: 30379118 DOI: 10.1177/0269881118806299] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
BACKGROUND Betel quid is the fourth most popular psychoactive agent worldwide. Neuroimaging studies have suggested betel-quid dependence is accompanied by abnormality in brain structure and function. However, the neural correlates of executive function deficit and prefrontal cortical thickness associated with betel-quid chewing still remain unclear. OBJECTIVE The present study aimed to examine the relationship between executive function deficit and prefrontal cortical thickness in chronic betel-quid chewers. METHODS Twenty-three betel-quid-dependent chewers and 26 healthy controls were recruited to participate in this study. Executive function was tested using three tasks. Cortical thickness analysis was analyzed with the FreeSurfer software package. RESULTS Behavioral results suggested a profound deficit of executive function in betel-quid-dependent chewers. Cortical thickness analysis revealed thinner cortex in the bilateral dorsolateral prefrontal cortex in betel-quid-dependent chewers. Further analysis suggested that cortical thickness of the bilateral dorsolateral prefrontal cortex mediated the correlation of betel-quid chewing and executive function. CONCLUSIONS These results suggest the important role of executive function and cortical thickness of the dorsolateral prefrontal cortex with betel-quid chewing. Our findings provide evidence that executive function deficit may be mediated by the cortical thickness of the dorsolateral prefrontal cortex. These results could potentially help us develop novel ways to diagnose and prevent betel-quid dependence.
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Affiliation(s)
- Xueling Zhu
- 1 Department of Radiology, Xiangya Hospital, Central South University, Changsha, China
| | - Shaohui Liu
- 2 Health Management Center, Xiangya Hospital, Central South University, Changsha, China
| | - Weihua Liao
- 1 Department of Radiology, Xiangya Hospital, Central South University, Changsha, China
| | - Lingyu Kong
- 1 Department of Radiology, Xiangya Hospital, Central South University, Changsha, China
| | - Canhua Jiang
- 3 Department of Oral and Maxillofacial Surgery, Xiangya Hospital, Central South University, Changsha, China
| | - Fulai Yuan
- 2 Health Management Center, Xiangya Hospital, Central South University, Changsha, China
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Abstract
PURPOSE OF REVIEW Working memory (WM) is a key process that is integral to many complex cognitive tasks, and it declines significantly with advancing age. This review will survey recent evidence supporting the idea that the functioning of the WM system in women is modulated by circulating estrogens. RECENT FINDINGS In postmenopausal women, increased estrogen concentrations may be associated with improved WM function, which is evident on WM tasks that have a high cognitive load or significant manipulation demands. Experimental studies in rhesus monkeys and human neuroimaging studies support a prefrontal locus for these effects. Defining the basic neurochemical or cellular mechanisms that underlie the ability of estrogens to regulate WM is a topic of current research in both human and animal investigations. An emerging body of work suggests that frontal executive elements of the WM system are influenced by the circulating estrogen concentrations currently available to the CNS and that the effects are region-specific within the frontal cortex. These findings have implications for women's brain health and cognitive aging.
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Affiliation(s)
- Elizabeth Hampson
- Department of Psychology, Social Sciences Center, and Department of Psychiatry, University of Western Ontario, London, ON, N6A 5C2, Canada.
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32
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Li Y, Chen R, Zhang S, Turel O, Bechara A, Feng T, Chen H, He Q. Hemispheric mPFC asymmetry in decision making under ambiguity and risk: An fNIRS study. Behav Brain Res 2018; 359:657-663. [PMID: 30287272 DOI: 10.1016/j.bbr.2018.09.021] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2018] [Revised: 08/29/2018] [Accepted: 09/30/2018] [Indexed: 10/28/2022]
Abstract
The Iowa Gambling Task (IGT) is a commonly used task for testing decision-making under ambiguity (the early stage) and risk (the late stage). However, differences between the temporal dynamic signals underlying these two types of decision-making as well as the hemispheric specificity of decision making during the IGT remain unknown. The present study sought to address this gap by focusing on the medial prefrontal cortex (mPFC), which plays an important role in decision-making across life domains. We used functional near-infrared spectroscopy (fNIRS) with high spatial and temporal resolution and measured oxy-hemoglobin concentration within the mPFC in 25 healthy participants who performed the IGT. Results showed that there are different activations of the right and left hemispheres of the mPFC during the different stages of IGT and types of decisions. This implies that the left and right mPFC can have different patterns of involvement in decision making, at least in IGT decisions, including making good (low risk) and bad (high risk) choices, under ambiguity and under risk conditions.
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Affiliation(s)
- Yuhua Li
- Faculty of Psychology, Southwest University, Chongqing, China; Faculty of Education, Guangxi Normal University, Guangxi Colleges and Universities Key Laboratory of Cognitive Neuroscience and Applied Psychology, Guilin, Guangxi, China
| | - Rui Chen
- Faculty of Psychology, Southwest University, Chongqing, China
| | - Shuyue Zhang
- Faculty of Education, Guangxi Normal University, Guangxi Colleges and Universities Key Laboratory of Cognitive Neuroscience and Applied Psychology, Guilin, Guangxi, China.
| | - Ofir Turel
- Brain and Creativity Institute and Department of Psychology, University of Southern California, Los Angeles, CA, United States; Information Systems and Decision Sciences, California State University, Fullerton, CA, United States
| | - Antoine Bechara
- Brain and Creativity Institute and Department of Psychology, University of Southern California, Los Angeles, CA, United States
| | - Tingyong Feng
- Faculty of Psychology, Southwest University, Chongqing, China; Chongqing Collaborative Innovation Center for Brain Science, Chongqing, China
| | - Hong Chen
- Faculty of Psychology, Southwest University, Chongqing, China; Chongqing Collaborative Innovation Center for Brain Science, Chongqing, China.
| | - Qinghua He
- Faculty of Psychology, Southwest University, Chongqing, China; Chongqing Collaborative Innovation Center for Brain Science, Chongqing, China; Southwest University Branch, Collaborative Innovation Center of Assessment toward Basic Education Quality, Chongqing, China.
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33
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Zhang W, Mai C, Chen H, Zhang H. Impulsiveness in Reactive Dieters: Evidence From Delay Discounting in Orthodontic Patients. Front Hum Neurosci 2018; 12:347. [PMID: 30233343 PMCID: PMC6127247 DOI: 10.3389/fnhum.2018.00347] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2018] [Accepted: 08/13/2018] [Indexed: 01/09/2023] Open
Abstract
Introduction: Researchers have made efforts to distinguish the behavioral differences and underlying mechanisms that explain the various possible outcomes of dieting (success, failure and relapse). Although extensive research has demonstrated that eating behavior and individual impulsiveness are closely related to subjective appetite and decision making, very few studies have investigated how subjective and appetite impulsiveness is affected by reactive dieting. Methods: In the present study, we utilized the power of food scale (PFS) and the intertemporal choice task and to examine subjective appetite and impulsivity of decision making in orthodontic patients. As a result of their orthodontic devices and the subsequent pain and discomfort caused by eating, these patients become reactive dieters. In order to explore the dynamic influence of orthodontic treatment on appetite and impulsiveness, we collected data for both patients and control participants across three testing sections. We also computed a regression model for further exploration in explaining how potential factors contributed to different choices. Results: We found that the orthodontic group scored significantly lower in PFS than the control group, which indicated a suppression in appetite. Besides, reward and waiting time were significant factors in computational perspective. Moreover, although patients showed a bias in choosing smaller, immediate reward options, they exhibited a decrease in the delay discounting rate as treatment progressed. These findings confirm that subjective appetite and impulsiveness were inhibited due to reactive dieting.
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Affiliation(s)
- Wu Zhang
- The First Affiliated Hospital of Jinan University, Jinan University, Guangzhou, China
- School of Stomatology of Jinan University, Jinan University, Guangzhou, China
| | - Chunmiao Mai
- School of Management, Guangdong University of Technology, Guangzhou, China
- Center for Studies of Psychological Application, Guangdong Provincial Key Laboratory of Mental Health and Cognitive Science, School of Psychology, South China Normal University, Guangzhou, China
| | - Hongmin Chen
- Mental Quality Education Center, Beijing Technology and Business University, Beijing, China
| | - Huijun Zhang
- School of Management, Guangdong University of Technology, Guangzhou, China
- Center for Studies of Psychological Application, Guangdong Provincial Key Laboratory of Mental Health and Cognitive Science, School of Psychology, South China Normal University, Guangzhou, China
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Alameda-Bailén JR, Salguero-Alcañiz P, Merchán-Clavellino A, Paíno-Quesada S. Age of onset of cannabis use and decision making under uncertainty. PeerJ 2018; 6:e5201. [PMID: 30002988 PMCID: PMC6034599 DOI: 10.7717/peerj.5201] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2018] [Accepted: 06/19/2018] [Indexed: 12/17/2022] Open
Abstract
Objective Cannabis, like other substances, negatively affects health, inducing respiratory problems and mental and cognitive alterations. Memory and learning disorders, as well as executive dysfunctions, are also neuropsychological disorders associated to cannabis use. Recent evidence reveals that cannabis use during adolescence may disrupt the normal development of the brain. This study is aimed to analyze possible differences between early-onset and late-onset cannabis consumers. Method We used a task based on a card game with four decks and different programs of gains/losses. A total of 72 subjects (19 women; 53 men) participated in the study; they were selected through a purposive sampling and divided into three groups: early-onset consumers, late-onset consumers, and control (non-consumers). The task used was the “Cartas” program (computerized version based on the Iowa Gambling Task (IGT)), with two versions: direct and inverse. The computational model “Prospect Valence Learning” (PVL) was applied in order to describe the decision according to four characteristics: utility, loss aversion, recency, and consistency. Results The results evidence worst performance in the IGT in the early-onset consumers as compared to late-onset consumers and control. Differences between groups were also found in the PVL computational model parameters, since the process of decision making of the early-onset consumers was more influenced by the magnitude of the gains-losses, and more determined by short-term results without loss aversion. Conclusions Early onset cannabis use may involve decision-making problems, and therefore intervention programs are necessary in order to reduce the prevalence and delay the onset of cannabis use among teenagers.
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Affiliation(s)
| | | | | | - Susana Paíno-Quesada
- Personality, Evaluation and Psychological Treatments, University of Huelva, Huelva, Spain
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Online effects of transcranial direct current stimulation on prefrontal metabolites in gambling disorder. Neuropharmacology 2017; 131:51-57. [PMID: 29221791 DOI: 10.1016/j.neuropharm.2017.12.002] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2017] [Revised: 11/28/2017] [Accepted: 12/03/2017] [Indexed: 02/07/2023]
Abstract
Gambling disorder is characterized by persistent maladaptive gambling behaviors and is now considered among substance-related and addictive disorders. There is still unmet therapeutic need for these clinical populations, however recent advances indicate that interventions targeting the Glutamatergic/GABAergic system hold promise in reducing symptoms in substance-related and addictive disorders, including gambling disorder. There is some data indicating that transcranial direct current stimulation may hold clinical benefits in substance use disorders and modulate levels of brain metabolites including glutamate and GABA. The goal of the present work was to test whether this non-invasive neurostimulation method modulates key metabolites in gambling disorder. We conducted a sham-controlled, crossover, randomized study, blinded at two levels in order to characterize the effects of transcranial direct current stimulation over the dorsolateral prefrontal cortex on neural metabolites levels in sixteen patients with gambling disorder. Metabolite levels were measured with magnetic resonance spectroscopy from the right dorsolateral prefrontal cortex and the right striatum during active and sham stimulation. Active as compared to sham stimulation elevated prefrontal GABA levels. There were no significant changes between stimulation conditions in prefrontal glutamate + glutamine and N-acetyl Aspartate, or in striatal metabolite levels. Results also indicated positive correlations between metabolite levels during active, but not sham, stimulation and levels of risk taking, impulsivity and craving. Our findings suggest that transcranial direct current stimulation can modulate GABA levels in patients with gambling disorder which may represent an interesting future therapeutic avenue.
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36
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Oveisgharan S, Organji H, Ghorbani A. Enhancement of Motor Recovery through Left Dorsolateral Prefrontal Cortex Stimulation after Acute Ischemic Stroke. J Stroke Cerebrovasc Dis 2017; 27:185-191. [PMID: 28893574 DOI: 10.1016/j.jstrokecerebrovasdis.2017.08.026] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2017] [Revised: 08/06/2017] [Accepted: 08/14/2017] [Indexed: 01/28/2023] Open
Abstract
BACKGROUND Two previous studies, which investigated transcranial direct current stimulation (tDCS) use in motor recovery after acute ischemic stroke, did not show tDCS to be effective in this regard. We speculated that additional left dorsolateral prefrontal cortex (DLPFC) stimulation may enhance poststroke motor recovery. METHODS In the present randomized clinical trial, 20 acute ischemic stroke patients were recruited. Patients received real motor cortex (M1) stimulation in both arms of the trial. The 2 arms differed in terms of real versus sham stimulation over the left DLPFC. The motor component of the Fugl-Meyer upper extremity assessment (FM) and Action Research Arm Test (ARAT) scores were used to assess primary outcomes, and nonlinear mixed effects models were used for data analyses. RESULTS Primary outcome measures improved more and faster among the real stimulation group. During the first days of stimulations, the sham group's FM scores increased by 1.2 per day, while the real group's scores increased by 1.7 per day (P = .003). In the following days, FM improvement decelerated in both groups. Based on the derived models, a stroke patient with a baseline FM score of 15 improves to 32 in the sham stimulation group and to 41 in the real stimulation group within the first month after stroke. Models with ARAT scores yielded nearly similar results. No significant adverse effect was reported. CONCLUSION The current study results showed that left DLPFC stimulation in conjunction with M1 stimulation resulted in better motor recovery than M1 stimulation alone.
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Affiliation(s)
- Shahram Oveisgharan
- Shariati Hospital, Tehran University of Medical Sciences, Tehran, Iran; Rush Alzheimer's Disease Center, Rush University Medical Center, Chicago, Illinois.
| | - Hosein Organji
- Shariati Hospital, Tehran University of Medical Sciences, Tehran, Iran
| | - Askar Ghorbani
- Shariati Hospital, Tehran University of Medical Sciences, Tehran, Iran
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Zhao H, Qiao L, Fan D, Zhang S, Turel O, Li Y, Li J, Xue G, Chen A, He Q. Modulation of Brain Activity with Noninvasive Transcranial Direct Current Stimulation (tDCS): Clinical Applications and Safety Concerns. Front Psychol 2017; 8:685. [PMID: 28539894 PMCID: PMC5423956 DOI: 10.3389/fpsyg.2017.00685] [Citation(s) in RCA: 75] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2017] [Accepted: 04/19/2017] [Indexed: 11/13/2022] Open
Abstract
Transcranial direct current stimulation (tDCS) is a widely-used tool to induce neuroplasticity and modulate cortical function by applying weak direct current over the scalp. In this review, we first introduce the underlying mechanism of action, the brief history from discovery to clinical scientific research, electrode positioning and montages, and parameter setup of tDCS. Then, we review tDCS application in clinical samples including people with drug addiction, major depression disorder, Alzheimer's disease, as well as in children. This review covers the typical characteristics and the underlying neural mechanisms of tDCS treatment in such studies. This is followed by a discussion of safety, especially when the current intensity is increased or the stimulation duration is prolonged. Given such concerns, we provide detailed suggestions regarding safety procedures for tDCS operation. Lastly, future research directions are discussed. They include foci on the development of multi-tech combination with tDCS such as with TMS and fMRI; long-term behavioral and morphological changes; possible applications in other research domains, and more animal research to deepen the understanding of the biological and physiological mechanisms of tDCS stimulation.
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Affiliation(s)
- Haichao Zhao
- Faculty of Psychology, Southwest UniversityChongqing, China
| | - Lei Qiao
- Faculty of Psychology, Southwest UniversityChongqing, China
| | - Dongqiong Fan
- Faculty of Psychology, Southwest UniversityChongqing, China
| | - Shuyue Zhang
- School of Education, Guangxi UniversityNanning, China
| | - Ofir Turel
- Department of Information systems and Decision Sciences, College of Business and Economics, California State University, FullertonFullerton, CA, USA
| | - Yonghui Li
- Key Laboratory of Mental Health, Institute of Psychology, Chinese Academy of SciencesBeijing, China
| | - Jun Li
- National Key Laboratory of Cognitive Neuroscience and Learning, IDG/McGovern Institute for Brain Research, Beijing Normal UniversityBeijing, China
| | - Gui Xue
- National Key Laboratory of Cognitive Neuroscience and Learning, IDG/McGovern Institute for Brain Research, Beijing Normal UniversityBeijing, China
| | - Antao Chen
- Faculty of Psychology, Southwest UniversityChongqing, China
| | - Qinghua He
- Faculty of Psychology, Southwest UniversityChongqing, China.,Key Laboratory of Mental Health, Institute of Psychology, Chinese Academy of SciencesBeijing, China.,Southwest University Branch, Collaborative Innovation Center of Assessment toward Basic Education Quality at Beijing Normal UniversityChongqing, China
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38
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Yuan F, Kong L, Zhu X, Jiang C, Fang C, Liao W. Altered Gray-Matter Volumes Associated With Betel Quid Dependence. Front Psychiatry 2017; 8:139. [PMID: 28824470 PMCID: PMC5540953 DOI: 10.3389/fpsyt.2017.00139] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/23/2017] [Accepted: 07/17/2017] [Indexed: 02/06/2023] Open
Abstract
Betel quid (BQ) is one of the most commonly consumed psychoactive substances. It has been suggested to be associated with various health issues, especially oral cancer. Evidence also points to possible decreased cognitive functions after long-term BQ chewing, such as attention and inhibition control. The present study aims to investigate the brain structure basis of BQ chewing in Hunan province of China. Twenty-five BQ chewers and 25 controls were recruited to participate in this study. Voxel-based morphormetry analysis revealed that there were three key regions showing structural differences between BQ chewers and controls, including bilateral dorsolateral prefrontal cortex (DLPFC)/insula, ventral medial prefrontal cortex, and left orbitofrontal cortex. Moreover, the GMV in the DLPFC could potentially predict BQ dependence scores, level of daily BQ chewing, and history of BQ chewing. These results suggested that participants who showed BQ chewing dependence may have deficit in inhibition control and affective decision-making, and the level of deficit was dependent on the level of daily BQ chewing, and history of BQ chewing. Understanding the neurobiology features of BQ chewing would help us develop novel ways to diagnose and prevent BQ dependence.
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Affiliation(s)
- Fulai Yuan
- Health Management Center, Xiangya Hospital, Central South University, Changsha, China
| | - Lingyu Kong
- Department of Radiology, Xiangya Hospital, Central South University, Changsha, China
| | - Xueling Zhu
- Department of Radiology, Xiangya Hospital, Central South University, Changsha, China.,School of Humanities and Social Sciences, National University of Defense Technology, Changsha, China
| | - Canhua Jiang
- Department of Oral and Maxillofacial Surgery, Xiangya Hospital, Central South University, Changsha, China
| | - Changyun Fang
- Department of Oral and Maxillofacial Surgery, Xiangya Hospital, Central South University, Changsha, China
| | - Weihua Liao
- Department of Radiology, Xiangya Hospital, Central South University, Changsha, China
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39
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Yuan F, Zhu X, Kong L, Shen H, Liao W, Jiang C. White Matter Integrity Deficit Associated with Betel Quid Dependence. Front Psychiatry 2017; 8:201. [PMID: 29075207 PMCID: PMC5643420 DOI: 10.3389/fpsyt.2017.00201] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/31/2017] [Accepted: 09/25/2017] [Indexed: 01/16/2023] Open
Abstract
Betel quid (BQ) is a commonly consumed psychoactive substance, which has been regarded as a human carcinogen. Long-term BQ chewing may cause Diagnostic and Statistical Manual of Mental Disorders-IV dependence symptoms, which can lead to decreased cognitive functions, such as attention and inhibition control. Although betel quid dependence (BQD) individuals have been reported with altered brain structure and function, there is little evidence showing white matter microstructure alternation in BQD individuals. The present study aimed to investigate altered white matter microstructure in BQD individuals using diffusion tensor imaging. Tract-based spatial statistics was used to analyze the data. Compared with healthy controls, BQD individuals exhibited higher mean diffusivity (MD) in anterior thalamic radiation (ATR). Further analysis revealed that the ATR in BQD individuals showed less fractional anisotropy (FA) than that in healthy controls. Correlation analysis showed that both the increase of MD and reduction of FA in BQD individuals were associated with severity of BQ dependence. These results suggested that BQD would disrupt the balance between prefrontal cortex and subcortical areas, causing declined inhibition control.
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Affiliation(s)
- Fulai Yuan
- Health Management Center, Xiangya Hospital, Central South University, Changsha, China
| | - Xueling Zhu
- School of Humanities and Social Sciences, National University of Defense Technology, Changsha, China.,Department of Radiology, Xiangya Hospital, Central South University, Changsha, China
| | - Lingyu Kong
- Department of Radiology, Xiangya Hospital, Central South University, Changsha, China
| | - Huaizhen Shen
- School of Humanities and Social Sciences, National University of Defense Technology, Changsha, China
| | - Weihua Liao
- Department of Radiology, Xiangya Hospital, Central South University, Changsha, China
| | - Canhua Jiang
- Department of Oral and Maxillofacial Surgery, Xiangya Hospital, Central South University, Changsha, China
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