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Webber HE, de Dios C, Kessler DA, Schmitz JM, Lane SD, Suchting R. A meta-analysis of electrophysiological biomarkers of reward and error monitoring in substance misuse. Psychophysiology 2024; 61:e14515. [PMID: 38238282 DOI: 10.1111/psyp.14515] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2023] [Revised: 10/20/2023] [Accepted: 12/18/2023] [Indexed: 04/17/2024]
Abstract
Substance use disorders are characterized by marked changes in reward and error processing. The primary objective of this meta-analysis was to estimate effect sizes for the reward positivity (RewP) and error-related negativity (ERN), two event-related potential indicators of outcome monitoring, in substance users compared to controls. The secondary objective was to test for moderation by demographic, substance type, and EEG experiment parameters. Final PubMed searches were performed in August 2023. Inclusion criteria were substance use disorder/dependence or validated self-report of substance misuse, RewP/ERN means available, healthy control comparison group, non-acute drug study, peer-reviewed journal, English language, and human participants. Selection bias was tested through modified Egger's regression and exploratory 3-parameter selection model tests. The RewP results (19 studies, 1641 participants) did not support an overall effect (Hedges' g = 0.07, 95% CI [-0.44, 0.58], p = .777) and nor effect of any moderators. The ERN results (20 studies, 1022 participants) indicated no significant overall effect (g = 0.41, 95%CI [-0.05, 0.88]). Subgroup analyses indicated that cocaine users had a blunted ERN compared to controls (g = 1.12, 95%CI [0.77, 1.47]). There was limited evidence for publication/small study bias. Although the results indicate a potential dissociation between substance types, this meta-analysis revealed the need for additional research on the RewP/ERN in substance using populations and for better designed experiments that adequately address research questions.
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Affiliation(s)
- Heather E Webber
- Faillace Department of Psychiatry and Behavioral Sciences, University of Texas Health Science Center at Houston, Houston, Texas, USA
| | - Constanza de Dios
- Faillace Department of Psychiatry and Behavioral Sciences, University of Texas Health Science Center at Houston, Houston, Texas, USA
| | - Danielle A Kessler
- College of Medicine at Tower Health, Drexel University, Wyomissing, Pennsylvania, USA
| | - Joy M Schmitz
- Faillace Department of Psychiatry and Behavioral Sciences, University of Texas Health Science Center at Houston, Houston, Texas, USA
| | - Scott D Lane
- Faillace Department of Psychiatry and Behavioral Sciences, University of Texas Health Science Center at Houston, Houston, Texas, USA
| | - Robert Suchting
- Faillace Department of Psychiatry and Behavioral Sciences, University of Texas Health Science Center at Houston, Houston, Texas, USA
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Mamede A, Boffo M, Noordzij G, Denktaş S, Wieser MJ. The effect of cognitive reappraisal on food craving and consumption: Does working memory capacity influence reappraisal ability? An event-related potential study. Appetite 2024; 193:107112. [PMID: 37923062 DOI: 10.1016/j.appet.2023.107112] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2023] [Revised: 10/30/2023] [Accepted: 11/01/2023] [Indexed: 11/07/2023]
Abstract
Regulating cravings for unhealthy foods in favour of healthier options is essential for weight management. Cognitive reappraisal, which involves changing the meaning of a stimulus to modify its emotional impact, has shown promise for regulating food craving and consumption. Eighty participants were presented with high-calorie (HC) and low-calorie (LC) food pictures preceded by cues signalling instructions to naturally view the food (i.e., passive viewing; LOOK) or to imagine the future consequences of consuming that food (i.e., cognitive reappraisal; REGULATE). Participants' subjective craving and event-related potentials (ERPs) were measured, and food consumption after the task was assessed. Participants' working memory capacity (WMC) was measured with the automated Operation Span task. During cognitive reappraisal, cravings for HC foods decreased, whereas cravings for LC foods increased, compared to passive viewing. Cravings for LC and HC foods were correlated with consumptions of LC and HC foods, respectively. Occipital N1 (100-200ms) amplitudes were more negative for LC than for HC pictures, but were not modulated by strategy (LOOK or REGULATE), whereas early posterior negativity (EPN; 200-300ms) was not sensitive to food type (HC or LC) or strategy. Late positive potential (LPP; 400-1000ms) ERPs were largest in the HC-REGULATE condition, possibly due to cognitive processes induced by focusing on the consequences of unhealthy foods. Late LPP (1000-3000ms) was not affected by food type or strategy. LPP amplitudes were not correlated with cravings. WMC was weakly correlated with cravings for LC following reappraisal, suggesting that WMC may influence reappraisal ability. In sum, focusing on future consequences of eating may promote healthier food choices through craving regulation. Further research is needed to examine how regulatory effects evolve over time and how they relate to WMC and brain activity.
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Affiliation(s)
- André Mamede
- Department of Psychology, Education and Child Development, Erasmus School of Social and Behavioural Sciences, Erasmus University Rotterdam, the Netherlands; Erasmus University College, Erasmus School of Social and Behavioural Sciences, Erasmus University Rotterdam, the Netherlands.
| | - Marilisa Boffo
- Department of Psychology, Education and Child Development, Erasmus School of Social and Behavioural Sciences, Erasmus University Rotterdam, the Netherlands
| | - Gera Noordzij
- Erasmus University College, Erasmus School of Social and Behavioural Sciences, Erasmus University Rotterdam, the Netherlands
| | - Semiha Denktaş
- Department of Psychology, Education and Child Development, Erasmus School of Social and Behavioural Sciences, Erasmus University Rotterdam, the Netherlands
| | - Matthias J Wieser
- Department of Psychology, Education and Child Development, Erasmus School of Social and Behavioural Sciences, Erasmus University Rotterdam, the Netherlands
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Nickel S, Endrass T, Dieterich R. Immediate and lasting effects of different regulation of craving strategies on cue-induced craving and the late positive potential in smokers. Addict Biol 2023; 28:e13315. [PMID: 37500484 DOI: 10.1111/adb.13315] [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: 01/10/2023] [Revised: 05/03/2023] [Accepted: 06/30/2023] [Indexed: 07/29/2023]
Abstract
Craving, induced by substance-related cues, contributes to continued substance use and relapse. Therefore, regulation of craving (ROC) is important for treatment success. Distraction involves disengaging from craving-inducing cues; whereas, reappraisal requires engaging with potential risks of substance use. Given this difference in elaboration, we addressed the question whether reappraisal entails lasting advantages over distraction in successful ROC. To elucidate how this is implemented neurally, we examined the late positive potential (LPP) as an electrocortical indicator of motivated attention to cues. N = 62 smokers viewed smoking-related pictures and indicated the degree of craving each picture induced. While viewing the pictures, EEG was recorded, and the participants focused on the long-term negative (LATER) or short-term positive (NOW) consequences of smoking or performed an arithmetic task to distract themselves from processing the pictures (DISTRACT). After a break, all pictures were presented again without regulation instruction (re-exposure). Results revealed that LATER and DISTRACT achieved similar degrees of immediate ROC success, but only LATER had a sustained effect during re-exposure. In contrast, LPP amplitudes were more prominently reduced during DISTRACT than LATER, and there was no difference in LPP amplitudes during re-exposure. These findings imply that it may be beneficial to engage with the risks of drug use (reappraisal) rather than avoiding triggers of craving (distraction). However, these effects do not seem to be mediated by lasting changes in cue-related motivated attention (LPP).
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Affiliation(s)
- Solvej Nickel
- Technische Universität Dresden, Faculty of Psychology, Institute of Clinical Psychology and Psychotherapy, Dresden, Germany
| | - Tanja Endrass
- Technische Universität Dresden, Faculty of Psychology, Institute of Clinical Psychology and Psychotherapy, Dresden, Germany
| | - Raoul Dieterich
- Technische Universität Dresden, Faculty of Psychology, Institute of Clinical Psychology and Psychotherapy, Dresden, Germany
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Webber HE, de Dios C, Kessler DA, Schmitz JM, Lane SD, Suchting R. Late positive potential as a candidate biomarker of motivational relevance in substance use: Evidence from a meta-analysis. Neurosci Biobehav Rev 2022; 141:104835. [PMID: 36031010 DOI: 10.1016/j.neubiorev.2022.104835] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2022] [Revised: 08/19/2022] [Accepted: 08/20/2022] [Indexed: 10/15/2022]
Abstract
The objective of the current meta-analysis was to assess the effect size of the Late Positive Potential (LPP) to drug and emotional cues in substance users compared to controls. The secondary objective was to test for moderation by: age, gender, years of use, use status, and substance type. Search was performed in August 2021 using PubMed. Inclusion criteria were: substance use disorder/dependence or validated self-report, LPP means, healthy control comparison, non-acute drug study, data available, peer-reviewed journal, English, and human participants. Selection bias was tested through modified Egger's regression and exploratory 3-parameter selection model tests. Results (k = 11) indicated LPP to drug cues was larger in substance use compared to control group, with a large effect size (Hedges' g=1.66, 95%CI [0.64,2.67], p = 0.005). There were no overall differences for emotional cues. Though threats of selection bias were not severe, inclusion of more studies with larger sample sizes in future meta-analyses will allow more robust tests of publication bias and more accurate measures of effect size.
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Affiliation(s)
- Heather E Webber
- Faillace Department of Psychiatry and Behavioral Sciences, University of Texas Health Science Center at Houston, 1941 East Road, Houston, TX 77054, USA.
| | - Constanza de Dios
- Faillace Department of Psychiatry and Behavioral Sciences, University of Texas Health Science Center at Houston, 1941 East Road, Houston, TX 77054, USA
| | - Danielle A Kessler
- College of Medicine at Tower Health, Drexel University, 50 Innovation Way, Wyomissing, PA 19610, USA
| | - Joy M Schmitz
- Faillace Department of Psychiatry and Behavioral Sciences, University of Texas Health Science Center at Houston, 1941 East Road, Houston, TX 77054, USA
| | - Scott D Lane
- Faillace Department of Psychiatry and Behavioral Sciences, University of Texas Health Science Center at Houston, 1941 East Road, Houston, TX 77054, USA
| | - Robert Suchting
- Faillace Department of Psychiatry and Behavioral Sciences, University of Texas Health Science Center at Houston, 1941 East Road, Houston, TX 77054, USA
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Sun Y, Xu Y, Lv J, Liu Y. Self- and Situation-Focused Reappraisal are not homogeneous: Evidence from behavioral and brain networks. Neuropsychologia 2022; 173:108282. [PMID: 35660514 DOI: 10.1016/j.neuropsychologia.2022.108282] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2021] [Revised: 05/13/2022] [Accepted: 05/27/2022] [Indexed: 11/20/2022]
Abstract
Reappraisal is an effective emotion regulation strategy which can be divided into self- and situation-focused subtypes. Previous studies have produced inconsistent findings on the moderating effects and neural mechanisms of reappraisal; thus, further research is necessary to clarify these inconsistencies. In this study, a total of 44 participants were recruited and randomly assigned to two groups. 23 participants were assigned to the self-focused group, while 21 participants were assigned to the situation-focused group. The participants' resting EEG data were collected for 6 minutes before the experiment began, followed by an emotional regulation task. During this task, participants were asked to view emotion-provoking images under four emotion regulation conditions (View, Watch, Increase, and Decrease). Late positive potential (LPP) was obtained when these emotional images were observed. LPP is an effective physiological indicator of emotion regulation, enabling this study to explore emotion regulation under different reappraisal strategies, as well as the functional connectivity and node efficiency within the brain. It was found that, in terms of the effect on emotion regulation, situation-focused reappraisal was significantly better than self-focused reappraisal at enhancing the valence of negative emotion, while self-focused reappraisal was significantly better than situation-focused reappraisal at increasing the arousal of negative emotion. In terms of neural mechanisms, multiple brain regions such as the anterior cingulate cortex, the frontal lobe, the parahippocampal gyrus, parts of the temporal lobe, and parts of the parietal lobe were involved in both reappraisal processes. In addition, there were some differences in brain regions associated with different forms of cognitive reappraisal. Self-focused reappraisal was associated with the posterior cingulate gyrus, fusiform gyrus, and lingual gyrus, and situation-focused reappraisal was associated with the parietal lobule, anterior central gyrus, and angular gyrus. In conclusion, this research demonstrates that self- and situation-focused reappraisal are not homogenous in terms of their effects and neural mechanisms and clarifies the uncertainties over their regulatory effects. Different types of reappraisal activate different brain regions when used, and the functional connectivity or node efficiency of these brain regions seems to be a suitable indicator for assessing the effects of different types of reappraisal.
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Affiliation(s)
- Yan Sun
- School of Psychology, Liaoning Normal University, Dalian, 116029, China
| | - Yuanyuan Xu
- School of Psychology, Liaoning Normal University, Dalian, 116029, China
| | - Jiaojiao Lv
- School of Psychology, Liaoning Normal University, Dalian, 116029, China; Department of Psychology, Shanxi Datong University, Datong, 037009, China
| | - Yan Liu
- School of Psychology, Liaoning Normal University, Dalian, 116029, China.
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Event-related potential studies of emotion regulation: A review of recent progress and future directions. Int J Psychophysiol 2022; 176:73-88. [DOI: 10.1016/j.ijpsycho.2022.03.008] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2021] [Revised: 03/18/2022] [Accepted: 03/21/2022] [Indexed: 11/20/2022]
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Zhang Y, Ou H, Yuan TF, Sun J. Electrophysiological indexes for impaired response inhibition and salience attribution in substance (stimulants and depressants) use disorders: A meta-analysis. Int J Psychophysiol 2021; 170:133-155. [PMID: 34687811 DOI: 10.1016/j.ijpsycho.2021.10.008] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2021] [Revised: 10/09/2021] [Accepted: 10/13/2021] [Indexed: 12/16/2022]
Abstract
The impairment of inhibitory control and reward system is the core feature underlying substance use disorder (SUD). Previous studies suggested that it can be regarded as impaired response inhibition and salience attribution syndrome (iRISA). The neural substrates of the two deficit functions were widely investigated in neuroimaging studies, and the impaired prefrontal cortex, limbic-orbitofrontal network, and fronto-insular-parietal network were observed. Previous Event-related potential (ERP) studies were also conducted to explore EEG indexes related to abnormal brain function. In the current meta-analysis, we aimed to explore the consistency of ERP indexes that can reflect the two aberrant processes: P300/slow potential (SP) for salience attribution and Error-related negativity (ERN)/Nogo-N200/Nogo-P300 for inhibitory control and conflict monitoring. Subgroup analyses for drug type and drug use conditions were also conducted. According to the 60 research studies, we found significantly enhanced drug-cue-induced P300 amplitude and attenuated Nogo-N200 amplitude in SUD individuals relative to Healthy control (HC), which supports the dual model. Moreover, the drug-cue-induced P300 displayed time-dependence recovery, suggesting a potential index for treatment evaluation. In conclusion, drug-cue-induced P300 and Nogo-N200 demonstrated high consistency, and the drug-cue-induced P300 can be used to track the changes of functional recovery for SUD. The integration of the two ERP components could be regarded as a potential biomarker for SUD, which may provide a new insight for clinical treatment and investigation.
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Affiliation(s)
- Yi Zhang
- Shanghai Key Laboratory of Psychotic Disorders, Shanghai Mental Health Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China; School of Biomedical Engineering and Med-X Research Institute, Shanghai Jiao Tong University, Shanghai, China
| | - Hang Ou
- Research center of Brain and Cognitive Neuroscience, Liaoning Normal University, Dalian, China; Key Laboratory of Brain and Cognitive Neuroscience, Liaoning Province, China
| | - Ti-Fei Yuan
- Shanghai Key Laboratory of Psychotic Disorders, Shanghai Mental Health Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China; Co-innovation Center of Neuroregeneration, Nantong University, Nantong, Jiangsu, China
| | - Junfeng Sun
- School of Biomedical Engineering and Med-X Research Institute, Shanghai Jiao Tong University, Shanghai, China.
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Sternberg N, Luria R, Sheppes G. Mental Logout: Behavioral and Neural Correlates of Regulating Temptations to Use Social Media. Psychol Sci 2021; 32:1527-1536. [PMID: 34473595 DOI: 10.1177/09567976211001316] [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: 11/16/2022] Open
Abstract
Individuals sometimes use social media instead of sleeping or while driving. This fact raises the crucial need for-and challenge of-successfully self-regulating potent social-media temptations. To date, however, empirical evidence showing whether social-media temptations can be self-regulated and how self-regulation can be achieved remains scarce. Accordingly, the present within-participants study (N = 30 adults) provided causal evidence for self-regulation of social-media content and identified a potential underlying neural mechanism. We tested the premise that successful self-regulation requires limiting the mental representation of temptations in working memory. Specifically, we showed that loading working memory with neutral contents via attentional distraction, relative to passively watching tempting social-media stimuli, resulted in reduced self-reported desire to use social media, reduced initial attention allocation toward social-media stimuli (reduced late-positive-potential amplitudes), and reduced online representation of social-media stimuli in working memory (reduced contralateral-delay-activity amplitudes). These results have important implications for successfully navigating a social-media-saturated environment.
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Affiliation(s)
| | - Roy Luria
- The School of Psychological Sciences, Tel Aviv University.,Sagol School of Neuroscience, Tel Aviv University
| | - Gal Sheppes
- The School of Psychological Sciences, Tel Aviv University.,Sagol School of Neuroscience, Tel Aviv University
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Attention bias modification in drug addiction: Enhancing control of subsequent habits. Proc Natl Acad Sci U S A 2021; 118:2012941118. [PMID: 34074751 DOI: 10.1073/pnas.2012941118] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
A relapse in addiction is often precipitated by heightened attention bias to drug-related cues, underpinned by a subcortically mediated transition to habitual/automatized responding and reduced prefrontal control. Modification of such automatized attention bias is a fundamental, albeit elusive, target for relapse reduction. Here, on a trial-by-trial basis, we used electroencephalography and eye tracking with a task that assessed, in this order, drug cue reactivity, its instructed self-regulation via reappraisal, and the immediate aftereffects on spontaneous (i.e., not instructed and automatized) attention bias. The results show that cognitive reappraisal, a facet of prefrontal control, decreased spontaneous attention bias to drug-related cues in cocaine-addicted individuals, more so in those with less frequent recent use. The results point to the mechanisms underlying the disruption of automatized maladaptive drug-related attention bias in cocaine addiction. These results pave the way for future studies to examine the role of such habit disruption in reducing compulsive drug seeking outside the controlled laboratory environment, with the ultimate goal of developing a readily deployable cognitive-behavioral and personalized intervention for drug addiction.
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Kim BM, Lee J, Choi AR, Chung SJ, Park M, Koo JW, Kang UG, Choi JS. Event-related brain response to visual cues in individuals with Internet gaming disorder: relevance to attentional bias and decision-making. Transl Psychiatry 2021; 11:258. [PMID: 33934100 PMCID: PMC8088436 DOI: 10.1038/s41398-021-01375-x] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/22/2020] [Revised: 03/26/2021] [Accepted: 04/12/2021] [Indexed: 02/03/2023] Open
Abstract
This study investigated attentional bias toward game-related cues in Internet gaming disorder (IGD) using electrophysiological markers of late positive potential (LPP) and identifying the sources of LPP. In addition, the association between LPP and decision-making ability was investigated. The IGD (n = 40) and healthy control (HC; n = 39) participants viewed a series of game-related and neutral pictures, while their event-related potentials (ERPs) were recorded. LPPs were calculated as the mean amplitudes between 400 and 700 ms at the centro-parietal (CP3, CP1, Cpz, CP2, and CP4) and parietal (P3, P1, Pz, P2, and P4) electrode sites. The source activations of LPP were estimated using standardized low-resolution brain electromagnetic tomography (sLORETA). In addition, decision-making ability was evaluated by the Cambridge Gambling Task. Higher LPP amplitudes were found for game-related cues in the IGD group than in the HC group. sLORETA showed that the IGD group was more active in the superior and middle temporal gyri, which are involved in social perception, than in the HC group, whereas it was less active in the frontal area. Individuals with IGD have deficits in decision-making ability. In addition, in the HC group, the lower the LPP when looking at the game-related stimuli, the better the quality of decision-making, but not in the IGD group. Enhanced LPP amplitudes are associated with emotional arousal to gaming cues and decision-making deficits in IGD. In addition, source activities suggest that patients with IGD perceive game-related cues as social stimuli. LPP can be used as a neurophysiological marker of IGD.
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Affiliation(s)
- Bo-Mi Kim
- grid.412479.dDepartment of Psychiatry, SMG-SNU Boramae Medical Center, Seoul, 07061 Republic of Korea
| | - Jiyoon Lee
- grid.412479.dDepartment of Psychiatry, SMG-SNU Boramae Medical Center, Seoul, 07061 Republic of Korea
| | - A. Ruem Choi
- grid.412479.dDepartment of Psychiatry, SMG-SNU Boramae Medical Center, Seoul, 07061 Republic of Korea
| | - Sun Ju Chung
- grid.412479.dDepartment of Psychiatry, SMG-SNU Boramae Medical Center, Seoul, 07061 Republic of Korea
| | - Minkyung Park
- grid.412479.dDepartment of Psychiatry, SMG-SNU Boramae Medical Center, Seoul, 07061 Republic of Korea
| | - Ja Wook Koo
- grid.452628.f0000 0004 5905 0571Emotion, Cognition and Behavior Research Group, Korea Brain Research Institute, Daegu, 41062 Republic of Korea ,grid.417736.00000 0004 0438 6721Department of Brain and Cognitive Sciences, Daegu Gyeongbuk Institute of Science and Technology, Daegu, 42988 Republic of Korea
| | - Ung Gu Kang
- Institute of Human Behavioral Medicine, Medical Research Center, Seoul National University, Seoul, 03080, Republic of Korea. .,Department of Psychiatry and Behavioral Science, Seoul National University College of Medicine, Seoul, 03080, Republic of Korea.
| | - Jung-Seok Choi
- Department of Psychiatry, SMG-SNU Boramae Medical Center, Seoul, 07061, Republic of Korea. .,Department of Psychiatry and Behavioral Science, Seoul National University College of Medicine, Seoul, 03080, Republic of Korea.
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Frank DW, Cinciripini PM, Deweese MM, Karam-Hage M, Kypriotakis G, Lerman C, Robinson JD, Tyndale RF, Vidrine DJ, Versace F. Toward Precision Medicine for Smoking Cessation: Developing a Neuroimaging-Based Classification Algorithm to Identify Smokers at Higher Risk for Relapse. Nicotine Tob Res 2020; 22:1277-1284. [PMID: 31724052 DOI: 10.1093/ntr/ntz211] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2019] [Accepted: 11/11/2019] [Indexed: 01/04/2023]
Abstract
INTRODUCTION By improving our understanding of the neurobiological mechanisms underlying addiction, neuroimaging research is helping to identify new targets for personalized treatment interventions. When trying to quit, smokers with larger electrophysiological responses to cigarette-related, compared with pleasant, stimuli ("C > P") are more likely to relapse than smokers with the opposite brain reactivity profile ("P > C"). AIM AND METHOD The goal was to (1) build a classification algorithm to identify smokers characterized by P > C or C > P neuroaffective profiles and (2) validate the algorithm's classification outcomes in an independent data set where we assessed both smokers' electrophysiological responses at baseline and smoking abstinence during a quit attempt. We built the classification algorithm applying discriminant function analysis on the event-related potentials evoked by emotional images in 180 smokers. RESULTS The predictive validity of the classifier showed promise in an independent data set that included new data from 177 smokers interested in quitting; the algorithm classified 111 smokers as P > C and 66 as C > P. The overall abstinence rate was low; 15 individuals (8.5% of the sample) achieved CO-verified 12-month abstinence. Although individuals classified as P > C were nearly 2.5 times more likely to be abstinent than smokers classified as C > P (12 vs. 3, or 11% vs. 4.5%), this result was nonsignificant, preliminary, and in need of confirmation in larger trials. CONCLUSION These results suggest that psychophysiological techniques have the potential to advance our knowledge of the neurobiological underpinnings of nicotine addiction and improve clinical applications. However, larger sample sizes are necessary to reliably assess the predictive ability of our algorithm. IMPLICATIONS We assessed the clinical relevance of a neuroimaging-based classification algorithm on an independent sample of smokers enrolled in a smoking cessation trial and found those with the tendency to attribute more relevance to rewards than cues were nearly 2.5 times more likely to be abstinent than smokers with the opposite brain reactivity profile (11% vs. 4.5%). Although this result was not statistically significant, it suggests our neuroimaging-based classification algorithm can potentially contribute to the development of new precision medicine interventions aimed at treating substance use disorders. Regardless, these findings are still preliminary and in need of confirmation in larger trials.
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Affiliation(s)
- David W Frank
- Department of Behavioral Science, University of Texas MD Anderson Cancer Center, Houston, TX
| | - Paul M Cinciripini
- Department of Behavioral Science, University of Texas MD Anderson Cancer Center, Houston, TX
| | - Menton M Deweese
- Department of Teaching and Learning, Peabody College at Vanderbilt University, Nashville, TN
| | - Maher Karam-Hage
- Department of Behavioral Science, University of Texas MD Anderson Cancer Center, Houston, TX
| | - George Kypriotakis
- Department of Behavioral Science, University of Texas MD Anderson Cancer Center, Houston, TX
| | - Caryn Lerman
- Department of Psychiatry, University of Pennsylvania, Philadelphia, PA
| | - Jason D Robinson
- Department of Behavioral Science, University of Texas MD Anderson Cancer Center, Houston, TX
| | - Rachel F Tyndale
- Campbell Family Mental Health Research Institute, Center for Addiction and Mental Health, Departments of Psychiatry, Pharmacology and Toxicology, University of Toronto, Toronto, ON, Canada
| | - Damon J Vidrine
- Stephenson Cancer Center, Oklahoma Tobacco Research Center, University of Oklahoma Health Sciences Center, Oklahoma City, OK
| | - Francesco Versace
- Department of Behavioral Science, University of Texas MD Anderson Cancer Center, Houston, TX
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12
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Emotion regulation strategy of self-focused and situation-focused reappraisal and their impact on subsequent cognitive control. ACTA PSYCHOLOGICA SINICA 2020. [DOI: 10.3724/sp.j.1041.2020.01393] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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13
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Lasting Effects of Using Distraction to Manage Responses to Unpleasant Pictures: Electrophysiological Evidence. Biol Psychol 2020; 156:107952. [PMID: 32961303 DOI: 10.1016/j.biopsycho.2020.107952] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2019] [Revised: 07/25/2020] [Accepted: 09/08/2020] [Indexed: 11/22/2022]
Abstract
Distraction is a widely used form of emotion regulation. Most studies have focused on the influence of distraction on the processing of aversive stimuli during distraction regulation, however, few studies investigated the impact on responses to aversive stimuli when they are re-presented later. This study examined whether processing of unpleasant pictures could be modulated by previous distraction and whether this modulation was associated with the intervals between regulation and re-exposure. Participants were presented with unpleasant images and asked to attend to or distract themselves from the images. After a 5- or 30-minute interval, the participants were re-exposed to the same images in an oddball task. Event-related potential measurements revealed that compared with the previous attention condition, the P3 amplitudes were significantly larger in the 30-min interval group, but not in the 5-min interval group under the previous distraction condition, and that the late positive potential amplitudes were significantly larger in the 30-min interval group, but tended to be smaller in the 5-min interval group. These findings suggest that the effects of distraction were diminished or disappeared after a 5-min interval and reversed after a 30-min interval. This pattern suggests that caution should be exercised in the use of distraction strategies to reduce negative emotions, particularly in cases in which unpleasant images may reappear in everyday life.
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Dieterich R, Nickel S, Endrass T. Toward a valid electrocortical correlate of regulation of craving using single-trial regression. Int J Psychophysiol 2020; 155:152-161. [DOI: 10.1016/j.ijpsycho.2020.06.009] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2019] [Revised: 06/10/2020] [Accepted: 06/17/2020] [Indexed: 12/17/2022]
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15
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Sun W, Kober H. Regulating food craving: From mechanisms to interventions. Physiol Behav 2020; 222:112878. [PMID: 32298667 PMCID: PMC7321886 DOI: 10.1016/j.physbeh.2020.112878] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2019] [Revised: 02/25/2020] [Accepted: 03/15/2020] [Indexed: 01/01/2023]
Abstract
Craving, defined here as a strong desire to eat, is a common experience that drives behavior. Here we discuss the concept of craving from historical, physiological, and clinical perspectives, and review work investigating the effects of cue reactivity and cue-induced craving on eating and weight outcomes, as well as underlying neural mechanisms. We also highlight the significance of cue reactivity and craving in the context of our "toxic food environment" and the obesity epidemic. We then summarize our work developing the Regulation of Craving (ROC) task, used to test the causal effects of cognitive strategies on craving for food and drugs as well as the underlying neural mechanisms of such regulation. Next, we review our recent development of a novel ROC-based intervention that trains individuals to use cognitive strategies to regulate craving, with promising effects on subsequent food choice and caloric consumption. We end by discussing future directions for this important line of work.
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Affiliation(s)
- Wendy Sun
- Yale University, New Haven, CT 06510, United States; Harvard University, Boston, MA 02115, United States
| | - Hedy Kober
- Yale University, New Haven, CT 06510, United States.
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16
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Karelitz JL. Differences in Magnitude of Cue Reactivity Across Durations of Smoking History: A Meta-analysis. Nicotine Tob Res 2020; 22:1267-1276. [PMID: 31050735 PMCID: PMC7364848 DOI: 10.1093/ntr/ntz071] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2018] [Accepted: 04/29/2019] [Indexed: 12/18/2022]
Abstract
BACKGROUND Cue-elicited craving may vary due to duration of smoking history, increasing as more years of smoking strengthen associations between nicotine intake and cues. However, research on this relationship is virtually absent. This project assessed the relationship between cue reactivity and years of smoking. METHODS Data from 53 studies (68 effect sizes) were analyzed. Eligible studies were those measuring self-reported craving following cue exposure in nontreatment seeking smokers and reporting mean years smoking. Preliminary subgroup analyses identified methodological factors influencing cue-reactivity effect sizes; primary meta-regression analysis assessed differences across years smoking; exploratory analyses assessed potential for ceiling effects. RESULTS Effect sizes varied due to abstinence requirement and cue presentation modality, but not dependence severity. Unexpectedly, meta-regression analysis revealed a decline in effect sizes across years smoking. Exploratory analyses suggested declines may have been due to a ceiling effect in craving measurement for those with longer smoking histories-more experienced smokers reported higher levels of craving at baseline or following neutral cue exposure, but all reported similar levels of craving after smoking cue exposure. CONCLUSIONS Methodological factors and duration of smoking history influenced measurement of cue reactivity. Highlighted were important relationships between years smoking and magnitude of cue reactivity, depending on use of baseline or neutral cue comparisons. Further research is needed to assess differences in cue reactivity due to duration of smoking history using participant-level data, directly testing for ceiling effects. In addition, cue-reactivity studies are needed across young adults to assess onset of associations between nicotine intake and cues. IMPLICATIONS This meta-analysis project contributes to the cue-reactivity literature by reporting on the previously ignored relationship between duration of smoking history and magnitude of cue-elicited craving. Results suggest that declines in cue-reactivity effect sizes across years of smoking may have been due to study-level methodological factors, but not due to differences in sample-level dependence severity. Cue-reactivity effect sizes were stable across years of smoking in studies using a neutral cue comparison but declined sharply in studies when baseline assessment (typically coupled with an abstinence requirement) was used.
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Affiliation(s)
- Joshua L Karelitz
- Department of Psychology, University of Pittsburgh, PA
- Department of Psychiatry, University of Pittsburgh, PA
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17
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Suzuki S, Mell MM, O'Malley SS, Krystal JH, Anticevic A, Kober H. Regulation of Craving and Negative Emotion in Alcohol Use Disorder. BIOLOGICAL PSYCHIATRY: COGNITIVE NEUROSCIENCE AND NEUROIMAGING 2019; 5:239-250. [PMID: 31892465 DOI: 10.1016/j.bpsc.2019.10.005] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/09/2019] [Revised: 10/01/2019] [Accepted: 10/02/2019] [Indexed: 12/13/2022]
Abstract
BACKGROUND Alcohol use disorder (AUD) is a chronic, relapsing condition with poor treatment outcomes. Both alcohol craving and negative affect increase alcohol drinking, and-in healthy adults-can be attenuated using cognitive strategies, which rely on the prefrontal cortex (PFC). However, AUD is associated with cognitive impairments and PFC disruptions. Thus, we tested whether individuals with AUD can successfully recruit the PFC to effectively regulate craving and negative emotions, whether neural mechanisms are shared between the two types of regulation, and whether individual differences influence regulation success. METHODS During functional magnetic resonance imaging, participants with AUD completed the regulation of craving task (n = 17) that compares a cue-induced craving condition with an instructed regulation condition. They also completed the emotion regulation task (n = 15) that compares a negative affect condition with an instructed regulation condition. Regulation strategies were drawn from cognitive behavioral therapy treatments for AUD. Self-reported craving and negative affect were collected on each trial. RESULTS Individuals with AUD effectively regulated their craving and negative affect when instructed to do so using cognitive behavioral therapy-based strategies. Regulation was associated with recruitment of both common and distinct PFC regions across tasks, as well as with reduced activity in regions associated with craving and negative affect (e.g., ventral striatum, amygdala). Effective regulation of craving was associated with negative alcohol expectancies. CONCLUSIONS Both common and distinct regulatory systems underlie regulation of craving and negative emotions in AUD, with notable individual differences. This has important implications for AUD treatment.
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Affiliation(s)
- Shosuke Suzuki
- Department of Psychiatry, Yale University School of Medicine, New Haven, Connecticut
| | - Maggie Mae Mell
- Department of Neuroscience, Medical University of South Carolina, Charleston, South Carolina
| | - Stephanie S O'Malley
- Department of Psychiatry, Yale University School of Medicine, New Haven, Connecticut
| | - John H Krystal
- Department of Psychiatry, Yale University School of Medicine, New Haven, Connecticut
| | - Alan Anticevic
- Department of Psychiatry, Yale University School of Medicine, New Haven, Connecticut
| | - Hedy Kober
- Department of Psychiatry, Yale University School of Medicine, New Haven, Connecticut.
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18
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Baquedano C, Lopez V, Cosmelli D, Lutz A. Electrophysiological evidence of the differential modulation of approach‐related processes toward attractive foods by immersive or mindful viewing conditions. Eur J Neurosci 2019; 51:1971-1986. [DOI: 10.1111/ejn.14632] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2018] [Revised: 11/03/2019] [Accepted: 11/18/2019] [Indexed: 01/31/2023]
Affiliation(s)
- Constanza Baquedano
- Lyon Neuroscience Research Center, INSERM U1028 CNRS UMR5292 Lyon 1 University Lyon France
- School of Psychology Pontifical Catholic University of Chile Santiago Chile
- Interdisciplinary Center for Neuroscience Pontifical Catholic University of Chile Santiago Chile
| | - Vladimir Lopez
- School of Psychology Pontifical Catholic University of Chile Santiago Chile
- Interdisciplinary Center for Neuroscience Pontifical Catholic University of Chile Santiago Chile
| | - Diego Cosmelli
- School of Psychology Pontifical Catholic University of Chile Santiago Chile
- Interdisciplinary Center for Neuroscience Pontifical Catholic University of Chile Santiago Chile
| | - Antoine Lutz
- Lyon Neuroscience Research Center, INSERM U1028 CNRS UMR5292 Lyon 1 University Lyon France
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19
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Versace F, Stevens EM, Robinson JD, Cui Y, Deweese MM, Engelmann JM, Green CE, Karam-Hage M, Lam CY, Minnix JA, Wetter DW, Cinciripini PM. Brain Responses to Cigarette-Related and Emotional Images in Smokers During Smoking Cessation: No Effect of Varenicline or Bupropion on the Late Positive Potential. Nicotine Tob Res 2019; 21:234-240. [PMID: 29220524 PMCID: PMC6329398 DOI: 10.1093/ntr/ntx264] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2017] [Accepted: 11/29/2017] [Indexed: 11/13/2022]
Abstract
Introduction Varenicline and bupropion are two effective smoking cessation pharmacotherapies. Researchers have hypothesized that they might be effective, in part, because they reduce cue reactivity and cue-induced cravings. Here, we used event-related potentials (ERPs) to directly measure brain responses to cigarette-related and other motivationally relevant images during a pharmacologically aided quit attempt. Methods Smokers involved in a 12-week placebo-controlled double-blind clinical trial of smoking cessation medications (varenicline, bupropion, placebo) took part in the study. We assessed participants at two time points: 24 h (n = 140) and 4 weeks (n = 176) after the quit date. At both sessions, we measured the amplitude of the late positive potential (LPP), an ERP component reliably associated with motivational relevance, and self-reported tonic craving using the brief version of the Questionnaire of Smoking Urges (QSU-Brief). Results At both sessions, emotional and cigarette-related images evoked significantly larger LPPs than neutral images. Neither drug type nor smoking abstinence altered this effect at either session. At both sessions, varenicline and bupropion significantly reduced self-reported tonic craving relative to the placebo condition. Conclusions While both varenicline and bupropion reduced self-reported tonic craving, neither medication altered the amplitude of the LPP to cigarette-related or emotional pictures in smokers attempting to quit. These medications may influence abstinence by means other than by reducing neuroaffective responses to cigarette-related cues. Smokers should be prepared for the likelihood that even after several weeks of successful abstinence, once treatment ends, cigarette-related cues may remain motivationally relevant and trigger cravings that might lead to relapse. Implications Bupropion and varenicline do not alter electrophysiological responses, as measured by the LPP, to cigarette-related and emotional images. These findings help explain why cigarette-related cues can trigger relapse when smoking cessation medication treatments end.
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Affiliation(s)
- Francesco Versace
- Department of Behavioral Science, The University of Texas MD Anderson Cancer Center, Houston, TX
| | - Elise M Stevens
- Oklahoma Tobacco Research Center, Stephenson Cancer Center, The University of Oklahoma Health Sciences Center, Oklahoma City, OK
| | - Jason D Robinson
- Department of Behavioral Science, The University of Texas MD Anderson Cancer Center, Houston, TX
| | - Yong Cui
- Department of Behavioral Science, The University of Texas MD Anderson Cancer Center, Houston, TX
| | - Menton M Deweese
- Department of Behavioral Science, The University of Texas MD Anderson Cancer Center, Houston, TX
| | - Jeffrey M Engelmann
- Department of Psychiatry and Behavioral Medicine, Medical College of Wisconsin, Milwaukee, WI
| | - Charles E Green
- Department of Pediatrics, The University of Texas-Houston Medical School, Houston, TX
| | - Maher Karam-Hage
- Department of Behavioral Science, The University of Texas MD Anderson Cancer Center, Houston, TX
| | - Cho Y Lam
- Department of Population Health Sciences, Huntsman Cancer Institute, University of Utah, Salt Lake City, UT
| | - Jennifer A Minnix
- Department of Behavioral Science, The University of Texas MD Anderson Cancer Center, Houston, TX
| | - David W Wetter
- Department of Population Health Sciences, Huntsman Cancer Institute, University of Utah, Salt Lake City, UT
| | - Paul M Cinciripini
- Department of Behavioral Science, The University of Texas MD Anderson Cancer Center, Houston, TX
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20
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Kim SN, Kim M, Lee TH, Lee JY, Park S, Park M, Kim DJ, Kwon JS, Choi JS. Increased Attentional Bias Toward Visual Cues in Internet Gaming Disorder and Obsessive-Compulsive Disorder: An Event-Related Potential Study. Front Psychiatry 2018; 9:315. [PMID: 30057559 PMCID: PMC6053507 DOI: 10.3389/fpsyt.2018.00315] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/28/2018] [Accepted: 06/25/2018] [Indexed: 12/24/2022] Open
Abstract
Internet gaming disorder (IGD) is a newly identified potential addiction disorder associated with compulsive internet-game playing behavior and attentional bias toward online gaming- related cues. Attentional bias toward addiction-related cues is the core feature of addiction that is associated with craving, but the pathophysiology of attentional bias in IGD is not well-understood, such as its relationship to compulsivity. In this study, we used the electrophysiological marker of late positive potential (LPP) to compare attentional bias in IGD and obsessive compulsive disorder (OCD). Twenty patients with IGD, 20 patients with OCD, and 23 healthy control (HC) subjects viewed a series of game-related, OCD-related, and neutral pictures while their event-related potentials (ERPs) were recorded. The game-related cues included in-game screen captures of popular internet games. The OCD-related cues included pictures which provokes obsessive and compulsive symptoms of contamination/washing or checking. LPPs were calculated as the mean value of amplitudes between 350 and 750 ms at the centro-parietal (CP1, CPz, CP2) and parietal (P1, Pz, P2) electrode sites. Higher LPP amplitudes were found for game-related cues in the IGD group than in the HCs, and higher LPP amplitudes were observed in the OCD group for OCD-related cues. The IGD group did not exhibit LPP changes in response to OCD-related cues. Subjective scales demonstrated increased arousal to game-related cues and OCD-related cues in both the IGD and OCD groups compared with the HC group. Increased LPPs in response to disorder-specific cues (game-related and OCD-related) were found in both IGD and OCD groups respectively, although the groups showed overlapping arousal on subjective scales. Our results indicate that LPP is a candidate neurophysiological marker for cue-related craving in IGD.
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Affiliation(s)
- Sung Nyun Kim
- Department of Psychiatry, Seoul Medical Center, Seoul, South Korea
| | - Minah Kim
- Department of Neuropsychiatry, Seoul National University Hospital, Seoul, South Korea
| | - Tak Hyung Lee
- Department of Brain and Cognitive Science, Seoul National University College of Natural Science, Seoul, South Korea
| | - Ji-Yoon Lee
- Department of Psychiatry, SMG-SNU Boramae Medical Center, Seoul, South Korea
| | - Sunyoung Park
- Department of Psychiatry, SMG-SNU Boramae Medical Center, Seoul, South Korea
| | - Minkyung Park
- Department of Psychiatry, SMG-SNU Boramae Medical Center, Seoul, South Korea
| | - Dai-Jin Kim
- Department of Psychiatry, Seoul St. Mary's Hospital, The Catholic University of Korea College of Medicine, Seoul, South Korea
| | - Jun Soo Kwon
- Department of Neuropsychiatry, Seoul National University Hospital, Seoul, South Korea.,Department of Brain and Cognitive Science, Seoul National University College of Natural Science, Seoul, South Korea
| | - Jung-Seok Choi
- Department of Psychiatry, SMG-SNU Boramae Medical Center, Seoul, South Korea
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21
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Cochran JR, Kydd RR, Lee JMJ, Walker N, Consedine NS. Disgust but not Health Anxiety Graphic Warning Labels Reduce Motivated Attention in Smokers: A Study of P300 and Late Positive Potential Responses. Nicotine Tob Res 2017; 20:819-826. [DOI: 10.1093/ntr/ntx158] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2017] [Accepted: 07/05/2017] [Indexed: 11/14/2022]
Affiliation(s)
- Justinn R Cochran
- Department of Psychological Medicine, The University of Auckland, Auckland Mail Centre, Auckland, New Zealand
| | - Robert R Kydd
- Department of Psychological Medicine, The University of Auckland, Auckland Mail Centre, Auckland, New Zealand
| | - John M J Lee
- Department of Psychological Medicine, The University of Auckland, Auckland Mail Centre, Auckland, New Zealand
| | - Natalie Walker
- The National Institute of Health Innovation, The University of Auckland, Auckland Mail Centre, Auckland, New Zealand
| | - Nathan S Consedine
- Department of Psychological Medicine, The University of Auckland, Auckland Mail Centre, Auckland, New Zealand
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22
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Piasecki TM, Fleming KA, Trela CJ, Bartholow BD. P3 event-related potential reactivity to smoking cues: Relations with craving, tobacco dependence, and alcohol sensitivity in young adult smokers. PSYCHOLOGY OF ADDICTIVE BEHAVIORS 2016; 31:61-72. [PMID: 27854454 DOI: 10.1037/adb0000233] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
The current study tested whether the amplitude of the P3 event-related potential (ERP) elicited by smoking cues is (a) associated with the degree of self-reported craving reactivity, and (b) moderated by degree of tobacco dependence. Because alcohol and cigarettes are frequently used together, and given recent evidence indicating that individual differences in alcohol sensitivity influence reactivity to alcohol cues, we also investigated whether alcohol sensitivity moderated neural responses to smoking cues. ERPs were recorded from young adult smokers (N = 90) while they participated in an evaluative categorization oddball task involving 3 types of targets: neutral images, smoking-related images, and images of drinking straws. Participants showing larger P3 amplitudes to smoking cues and to straw cues (relative to neutral targets) reported greater increases in craving after cue exposure. Neither smoking status (daily vs. occasional use) nor psychometric measures of tobacco dependence consistently or specifically moderated P3 reactivity to smoking cues. Lower alcohol sensitivity was associated with larger P3 to smoking cues but not comparison straw cues (relative to neutral targets). This effect was further moderated by tobacco dependence, with the combination of lower sensitivity and higher dependence associated with especially pronounced P3 reactivity to smoking cues. The findings suggest the smoking-cue elicited P3 ERP component indexes an approach-oriented incentive motivational state accompanied by a subjective sense of cigarette craving. Self-reported low sensitivity to the pharmacologic effects of alcohol may represent a marker of drug cue reactivity and therefore deserves attention as a potential moderator in smoking cue exposure studies. (PsycINFO Database Record
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23
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Cheng J, Guan Y, Zhang Y, Bi Y, Bu L, Li Y, Shi S, Liu P, Lu X, Yu D, Yuan K. Electrophysiological mechanisms of biased response to smoking-related cues in young smokers. Neurosci Lett 2016; 629:85-91. [PMID: 27373532 DOI: 10.1016/j.neulet.2016.06.062] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2016] [Revised: 06/16/2016] [Accepted: 06/28/2016] [Indexed: 11/25/2022]
Abstract
Cigarette smoking during young adult may result in serious health issues in later life. Hence, it is extremely necessary to study the smoking neurophysiological mechanisms in this critical transitional period. However, few studies revealed the electrophysiological mechanisms of cognitive processing biases in young adult smokers. In present study, nineteen young smokers with 12h abstinent and 19 matched nonsmokers were recruited. By employing event-related potentials (ERP) measurements during a smoking cue induced craving task, electrophysiological brain responses were compared between the young adult smokers and nonsmokers. The Slow Positive Wave (SPW) amplitude of smoking-related cues was enhanced in young adult smokers compared with nonsmokers. In addition, increased P300/SPW component of smoking-related cues relative to neutral cues were found in young adult smokers. Meanwhile, a positive correlation between Cigarette Per Day (CPD) and the amplitude of ERPs wave (P300/SPW) at anterior (Fz), central (Cz) were observed in young adult smokers. Our findings provided direct electrophysiological evidence for the cognitive processing bias of smoking cue and may shed new insights into the smoking behavior in young adult smokers.
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Affiliation(s)
- Jiadong Cheng
- School of Life Science and Technology, Xidian University, Xi'an, People's Republic of China; Engineering Research Center of Molecular and Neuro Imaging, Ministry of Education, People's Republic of China
| | - Yanyan Guan
- School of Life Science and Technology, Xidian University, Xi'an, People's Republic of China; Engineering Research Center of Molecular and Neuro Imaging, Ministry of Education, People's Republic of China
| | - Yajuan Zhang
- School of Life Science and Technology, Xidian University, Xi'an, People's Republic of China; Engineering Research Center of Molecular and Neuro Imaging, Ministry of Education, People's Republic of China
| | - Yanzhi Bi
- School of Life Science and Technology, Xidian University, Xi'an, People's Republic of China; Engineering Research Center of Molecular and Neuro Imaging, Ministry of Education, People's Republic of China
| | - Limei Bu
- Information Processing Laboratory, School of Information Engineering, Inner Mongolia University of Science and Technology, Baotou, Inner Mongolia, People's Republic of China
| | - Yangding Li
- School of Life Science and Technology, Xidian University, Xi'an, People's Republic of China; Engineering Research Center of Molecular and Neuro Imaging, Ministry of Education, People's Republic of China
| | - Sha Shi
- School of Life Science and Technology, Xidian University, Xi'an, People's Republic of China; Engineering Research Center of Molecular and Neuro Imaging, Ministry of Education, People's Republic of China
| | - Peng Liu
- School of Life Science and Technology, Xidian University, Xi'an, People's Republic of China; Engineering Research Center of Molecular and Neuro Imaging, Ministry of Education, People's Republic of China
| | - Xiaoqi Lu
- Information Processing Laboratory, School of Information Engineering, Inner Mongolia University of Science and Technology, Baotou, Inner Mongolia, People's Republic of China
| | - Dahua Yu
- Information Processing Laboratory, School of Information Engineering, Inner Mongolia University of Science and Technology, Baotou, Inner Mongolia, People's Republic of China.
| | - Kai Yuan
- School of Life Science and Technology, Xidian University, Xi'an, People's Republic of China; Engineering Research Center of Molecular and Neuro Imaging, Ministry of Education, People's Republic of China; Information Processing Laboratory, School of Information Engineering, Inner Mongolia University of Science and Technology, Baotou, Inner Mongolia, People's Republic of China.
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24
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Langeslag SJE, van Strien JW. Regulation of Romantic Love Feelings: Preconceptions, Strategies, and Feasibility. PLoS One 2016; 11:e0161087. [PMID: 27529751 PMCID: PMC4987042 DOI: 10.1371/journal.pone.0161087] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2016] [Accepted: 07/31/2016] [Indexed: 11/18/2022] Open
Abstract
Love feelings can be more intense than desired (e.g., after a break-up) or less intense than desired (e.g., in long-term relationships). If only we could control our love feelings! We present the concept of explicit love regulation, which we define as the use of behavioral and cognitive strategies to change the intensity of current feelings of romantic love. We present the first two studies on preconceptions about, strategies for, and the feasibility of love regulation. Questionnaire responses showed that people perceive love feelings as somewhat uncontrollable. Still, in four open questions people reported to use strategies such as cognitive reappraisal, distraction, avoidance, and undertaking (new) activities to cope with break-ups, to maintain long-term relationships, and to regulate love feelings. Instructed up-regulation of love using reappraisal increased subjective feelings of attachment, while love down-regulation decreased subjective feelings of infatuation and attachment. We used the late positive potential (LPP) amplitude as an objective index of regulation success. Instructed love up-regulation enhanced the LPP between 300-400 ms in participants who were involved in a relationship and in participants who had recently experienced a romantic break-up, while love down-regulation reduced the LPP between 700-3000 ms in participants who were involved in a relationship. These findings corroborate the self-reported feasibility of love regulation, although they are complicated by the finding that love up-regulation also reduced the LPP between 700-3000 ms in participants who were involved in a relationship. To conclude, although people have the preconception that love feelings are uncontrollable, we show for the first time that intentional regulation of love feelings using reappraisal, and perhaps other strategies, is feasible. Love regulation will benefit individuals and society because it could enhance positive effects and reduce negative effects of romantic love.
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Affiliation(s)
- Sandra J. E. Langeslag
- Department of Psychological Sciences, University of Missouri–St. Louis, St. Louis, Missouri, United States of America
- Department of Psychology, University of Maryland, College Park, Maryland, United States of America
- * E-mail:
| | - Jan W. van Strien
- Institute of Psychology, Erasmus University Rotterdam, Rotterdam, The Netherlands
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25
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Neural correlates of cigarette health warning avoidance among smokers. Drug Alcohol Depend 2016; 161:155-62. [PMID: 26874916 PMCID: PMC4803020 DOI: 10.1016/j.drugalcdep.2016.01.025] [Citation(s) in RCA: 62] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/13/2015] [Revised: 01/11/2016] [Accepted: 01/26/2016] [Indexed: 11/20/2022]
Abstract
BACKGROUND Eye-tracking technology has indicated that daily smokers actively avoid pictorial cigarette package health warnings. Avoidance may be due to a pre-cognitive perceptual bias or a higher order cognitive bias, such as reduced emotional processing. Using electroencephalography (EEG), this study aimed to identify the temporal point at which smokers' responses to health warnings begin to differ. METHOD Non-smokers (n=20) and daily smokers (n=20) viewed pictorial cigarette package health warnings and neutral control stimuli. These elicited Event Related Potentials reflecting early perceptual processing (visual P1), pre-attentive change detection (visual Mismatch Negativity), selective attentional orientation (P3) and a measure of emotional processing, the Late Positive Potential (LPP). RESULTS There was no evidence for a difference in P1 responses between smokers and non-smokers. There was no difference in vMMN and P3 amplitude but some evidence for a delay in vMMN latency amongst smokers. There was strong evidence for delayed and reduced LPP to health warning stimuli amongst smokers compared to non-smokers. CONCLUSION We find no evidence for an early perceptual bias in smokers' visual perception of health warnings but strong evidence that smokers are less sensitive to the emotional content of cigarette health warnings. Future health warning development should focus on increasing the emotional salience of pictorial health warning content amongst smokers.
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26
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Wu L, Winkler MH, Wieser MJ, Andreatta M, Li Y, Pauli P. Emotion regulation in heavy smokers: experiential, expressive and physiological consequences of cognitive reappraisal. Front Psychol 2015; 6:1555. [PMID: 26528213 PMCID: PMC4602105 DOI: 10.3389/fpsyg.2015.01555] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2015] [Accepted: 09/25/2015] [Indexed: 12/12/2022] Open
Abstract
Emotion regulation dysfunctions are assumed to contribute to the development of tobacco addiction and relapses among smokers attempting to quit. To further examine this hypothesis, the present study compared heavy smokers with non-smokers (NS) in a reappraisal task. Specifically, we investigated whether non-deprived smokers (NDS) and deprived smokers (DS) differ from non-smokers in cognitive emotion regulation and whether there is an association between the outcome of emotion regulation and the cigarette craving. Sixty-five participants (23 non-smokers, 22 NDS, and 20 DS) were instructed to down-regulate emotions by reappraising negative or positive pictorial scenarios. Self-ratings of valence, arousal, and cigarette craving as well as facial electromyography and electroencephalograph activities were measured. Ratings, facial electromyography, and electroencephalograph data indicated that both NDS and DS performed comparably to nonsmokers in regulating emotional responses via reappraisal, irrespective of the valence of pictorial stimuli. Interestingly, changes in cigarette craving were positively associated with regulation of emotional arousal irrespective of emotional valence. These results suggest that heavy smokers are capable to regulate emotion via deliberate reappraisal and smokers’ cigarette craving is associated with emotional arousal rather than emotional valence. This study provides preliminary support for the therapeutic use of reappraisal to replace maladaptive emotion-regulation strategies in nicotine addicts.
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Affiliation(s)
- Lingdan Wu
- Department of Psychology (Biological Psychology, Clinical Psychology and Psychotherapy), University of Würzburg Würzburg, Germany ; Department of Psychology, University of Konstanz Konstanz, Germany
| | - Markus H Winkler
- Department of Psychology (Biological Psychology, Clinical Psychology and Psychotherapy), University of Würzburg Würzburg, Germany
| | - Matthias J Wieser
- Department of Psychology (Biological Psychology, Clinical Psychology and Psychotherapy), University of Würzburg Würzburg, Germany
| | - Marta Andreatta
- Department of Psychology (Biological Psychology, Clinical Psychology and Psychotherapy), University of Würzburg Würzburg, Germany
| | - Yonghui Li
- Institute of Psychology, Chinese Academy of Sciences Beijing, China
| | - Paul Pauli
- Department of Psychology (Biological Psychology, Clinical Psychology and Psychotherapy), University of Würzburg Würzburg, Germany
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Franken IH, van de Wetering BJ. Bridging the gap between the neurocognitive lab and the addiction clinic. Addict Behav 2015; 44:108-114. [PMID: 25500167 DOI: 10.1016/j.addbeh.2014.11.034] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2014] [Revised: 11/21/2014] [Accepted: 11/23/2014] [Indexed: 01/08/2023]
Abstract
In the past decennium there has been an enormous increase in new insights in cognitive mechanisms of addiction and their neural substrates. These candidate neurocognitive mechanisms, particularly those associated with "drive" and "control" aspects of addiction, are clearly involved in substance use problems but do not yet provide a full explanation. The neurocognitive mechanisms addressed in the present perspective are attentional bias, reward processing (both drive aspects) and error-processing and cognitive control (both control aspects). The time has come to transfer these recent insights more consistently to clinical practice by studying their relevance for diagnosis and treatment in patient samples. The present perspective echoes the development of recent initiatives such as the RDoC system to integrate developments in neuroscience into clinical practice. The aim of this article is to open new vistas for addiction diagnosis and treatment and to discuss why and how these neurocognitive aspects of addictive behavior can be used in clinical practice. In addition, present problematic issues and a future research agenda are provided.
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Baur R, Conzelmann A, Wieser MJ, Pauli P. Spontaneous emotion regulation: differential effects on evoked brain potentials and facial muscle activity. Int J Psychophysiol 2015; 96:38-48. [PMID: 25715271 DOI: 10.1016/j.ijpsycho.2015.02.022] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2014] [Revised: 02/13/2015] [Accepted: 02/16/2015] [Indexed: 10/23/2022]
Abstract
Late positive potentials (LPPs) were found to be decreased during down-regulation and increased during up-regulation of positive and negative emotions. However, previous studies lack ecological validity, since they explicitly instructed their participants to use certain regulation strategies. The goal of our study was to test an ecologically more valid paradigm of emotion regulation. We therefore investigated the effects of freely chosen emotion regulation strategies on LPPs and additionally assessed facial EMG responses and valence and arousal ratings as control variables. Responses to positive IAPS pictures were marked by pleasant valence ratings and high activations of M. zygomaticus major, negative pictures elicited unpleasant valence ratings and high activations of M. corrugator supercilii, and both, positive and negative pictures, went along with increased arousal ratings and LPPs. Importantly, ratings and EMG activity were intensified through up-regulation and attenuated through down-regulation of emotions, while LPPs were increased through both up-and down-regulation. We conclude that LPPs in paradigms with free choice of emotion regulation strategies might be a marker of attentional resources required for the selection of adequate emotion up- and down-regulation strategies, while LPP effects following emotion regulation with specific, instructed strategies reflect modulated arousal processes.
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Affiliation(s)
- Ramona Baur
- Department of Psychology (Biological Psychology, Clinical Psychology, and Psychotherapy), University of Würzburg, Germany
| | - Annette Conzelmann
- Department of Psychology (Biological Psychology, Clinical Psychology, and Psychotherapy), University of Würzburg, Germany; Department of Child and Adolescent Psychiatry and Psychotherapy, University of Tübingen, Germany
| | - Matthias J Wieser
- Department of Psychology (Biological Psychology, Clinical Psychology, and Psychotherapy), University of Würzburg, Germany
| | - Paul Pauli
- Department of Psychology (Biological Psychology, Clinical Psychology, and Psychotherapy), University of Würzburg, Germany.
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Meule A, Kübler A, Blechert J. Time course of electrocortical food-cue responses during cognitive regulation of craving. Front Psychol 2013; 4:669. [PMID: 24098290 PMCID: PMC3786233 DOI: 10.3389/fpsyg.2013.00669] [Citation(s) in RCA: 54] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2013] [Accepted: 09/05/2013] [Indexed: 11/13/2022] Open
Abstract
In our current obesogenic environment, exposure to visual food-cues can easily lead to craving and overeating because short-term, pleasurable effects of food intake dominate over the anticipated long-term adverse effects such as weight gain and associated health problems. Here we contrasted these two conditions during food-cue presentation while acquiring event-related potentials (ERPs) and subjective craving ratings. Female participants (n = 25) were presented with either high-calorie (HC) or low-calorie (LC) food images under instructions to imagine either immediate (NOW) or long-term effects (LATER) of consumption. On subjective ratings for HC foods, the LATER perspective reduced cravings as compared to the NOW perspective. For LC foods, by contrast, craving increased under the LATER perspective. Early ERPs (occipital N1, 150-200 ms) were sensitive to food type but not to perspective. Late ERPs (late positive potential, LPP, 350-550 ms) were larger in the HC-LATER condition than in all other conditions, possibly indicating that a cognitive focus on negative long-term consequences induced negative arousal. This enhancement for HC-LATER attenuated to the level of the LC conditions during the later slow wave (550-3000 ms), but amplitude in the HC-NOW condition was larger than in all other conditions, possibly due to a delayed appetitive response. Across all conditions, LPP amplitudes were positively correlated with self-reported emotional eating. In sum, results reveal that regulation effects are secondary to an early attentional analysis of food type and dynamically evolve over time. Adopting a long-term perspective on eating might promote a healthier food choice across a range of food types.
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Affiliation(s)
- Adrian Meule
- Department of Psychology I, Institute of Psychology, University of WürzburgWürzburg, Germany
| | - Andrea Kübler
- Department of Psychology I, Institute of Psychology, University of WürzburgWürzburg, Germany
| | - Jens Blechert
- Division of Clinical Psychology, Psychotherapy and Health Psychology, University of SalzburgSalzburg, Austria
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Wiers CE, Kühn S, Javadi AH, Korucuoglu O, Wiers RW, Walter H, Gallinat J, Bermpohl F. Automatic approach bias towards smoking cues is present in smokers but not in ex-smokers. Psychopharmacology (Berl) 2013; 229:187-97. [PMID: 23604335 DOI: 10.1007/s00213-013-3098-5] [Citation(s) in RCA: 80] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/06/2012] [Accepted: 03/27/2013] [Indexed: 10/26/2022]
Abstract
RATIONALE Drug-addicted individuals show automatic approach tendencies towards drug-related cues, i.e., an approach bias (ApB). Nevertheless, little is known about ApB in tobacco smokers and about the presence of ApB after smoking abstinence. OBJECTIVES We investigated ApB to smoking cues in heavy tobacco smokers versus never-smokers and studied its relation to smoking characteristics and craving. Second, we compared ApBs of heavy smokers with biases of abstinent heavy smokers. METHOD A group of current heavy smokers (n = 24), ex-smokers who were abstinent for at least 5 years (n = 20), and never-smokers (n = 20) took part in the experiment. An indirect smoking approach avoidance task was performed, in which participants were required to respond to pictures of smoking and neutral cues by pulling (approach) or pushing (avoid) on a joystick, according to the content-irrelevant format of the picture (landscape or portrait). Craving scores were examined using the Questionnaire of Smoking Urges. RESULTS Heavy smokers showed an ApB for smoking cues compared to ex-smokers and never-smokers, which correlated positively to craving scores. There were no group differences in ApB scores for ex-smokers and never-smokers. CONCLUSION These results suggest that ApBs for smoking cues are present in heavy smokers and decrease after long-term successful smoking cessation.
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Affiliation(s)
- Corinde E Wiers
- Department of Psychiatry and Psychotherapy, Charité-Universitätsmedizin Berlin, Berlin, Germany.
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Bloom EL, Potts GF, Evans DE, Drobes DJ. Cue reactivity in smokers: an event-related potential study. Int J Psychophysiol 2013; 90:258-64. [PMID: 23958866 DOI: 10.1016/j.ijpsycho.2013.08.005] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2013] [Revised: 08/06/2013] [Accepted: 08/08/2013] [Indexed: 01/30/2023]
Abstract
Drugs-of-abuse may increase the salience of drug cues by sensitizing the dopaminergic (DA) system (Robinson and Berridge, 1993), leading to differential attention to smoking stimuli. Event-related potentials (ERPs) have been used to assess attention to smoking cues but not using an ERP component associated with DA-mediated salience evaluation. In this study the DA-related P2a and the P3, were compared in smokers (N = 21) and non-smokers (N = 21) during an attention selection cue exposure task including both cigarette and neutral images. We predicted that both the P2a and P3 would be larger to targets than non-targets, but larger to non-target cigarette images than non-target neutral images only in the smokers, reflecting smokers' evaluation of smoking stimuli as relevant even when they were not targets. Results indicated that smokers showed behavioral cue reactivity, with more false alarms to cigarette images (responding to cigarette images when they were not targets) than non-smokers; however, both smokers and non-smokers had a larger P2a and P3 to cigarette images. Thus, while smokers showed behavioral evidence of differential salience evaluation of the cigarette images, this group difference was not reflected in differential brain activity. These findings may reflect characteristics of the ERPs (both ERP components were smaller in the smokers), the smoking sample (they were not more impulsive, i.e. reward sensitive, than the non-smokers, in contrast to prior studies) and the design (all participants were aware that the aim of the study was related to smoking).
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Affiliation(s)
- Erika Litvin Bloom
- Alpert Medical School of Brown University, Department of Psychiatry and Human Behavior, United States; University of South Florida, Department of Psychology, United States; Moffitt Cancer Center, Tobacco Research and Intervention Program, United States
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Event-related induced frontal alpha as a marker of lateral prefrontal cortex activation during cognitive reappraisal. COGNITIVE AFFECTIVE & BEHAVIORAL NEUROSCIENCE 2013; 12:730-40. [PMID: 22773414 DOI: 10.3758/s13415-012-0107-9] [Citation(s) in RCA: 81] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Electrocortical activity, typically used to track the effects of cognitive reappraisal on the processing of emotional stimuli, has not been used to index the prefrontal-cortex-mediated regulatory mechanisms responsible for these effects. In the present study, we examined the novel possibility that induced frontal alpha (i.e., 8-13 Hz), shown to reflect the inhibition and disengagement of task-relevant cortical regions, may be quantified to explore cortical activation that is specifically enhanced during cognitive reappraisal. For this purpose, 44 participants viewed unpleasant and neutral pictures followed by auditory instructions to either continue viewing the picture or reduce their emotional response to the picture by making the picture seem less emotional (i.e., cognitive reappraisal). In line with previous work, unpleasant pictures elicited a larger late positive potential (LPP) than did neutral pictures. Also corroborating previous work, the mid-latency LPP was reduced when pictures were cognitively reappraised. However, the present study showed for the first time that whereas unpleasant pictures elicited higher frontal alpha power bilaterally than did the neutral pictures, frontal alpha power was reduced (indicative of more activation and cognitive control) during cognitive reappraisal of both picture types over the left hemisphere. Taken together, the LPP and event-related induced frontal-alpha findings contribute unique information about the distinct neural substrates and cognitive processes underlying reappraisal.
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Campanella S, Peigneux P, Petit G, Lallemand F, Saeremans M, Noël X, Metens T, Nouali M, De Tiège X, De Witte P, Ward R, Verbanck P. Increased cortical activity in binge drinkers during working memory task: a preliminary assessment through a functional magnetic resonance imaging study. PLoS One 2013; 8:e62260. [PMID: 23638017 PMCID: PMC3636085 DOI: 10.1371/journal.pone.0062260] [Citation(s) in RCA: 56] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2012] [Accepted: 03/19/2013] [Indexed: 11/26/2022] Open
Abstract
BACKGROUND Cerebral dysfunction is a common feature of both chronic alcohol abusers and binge drinkers. Here, we aimed to study whether, at equated behavioral performance levels, binge drinkers exhibited increased neural activity while performing simple cognitive tasks. METHODS Thirty-two participants (16 binge drinkers and 16 matched controls) were scanned using functional magnetic resonance imaging (fMRI) while performing an n-back working memory task. In the control zero-back (N0) condition, subjects were required to press a button with the right hand when the number "2" was displayed. In the two-back (N2) condition, subjects had to press a button when the displayed number was identical to the number shown two trials before. RESULTS fMRI analyses revealed higher bilateral activity in the pre-supplementary motor area in binge drinkers than matched controls, even though behavioral performances were similar. Moreover, binge drinkers showed specific positive correlations between the number of alcohol doses consumed per occasion and higher activity in the dorsomedial prefrontal cortex, as well as between the number of drinking occasions per week and higher activity in cerebellum, thalamus and insula while performing the N2 memory task. CONCLUSIONS Binge alcohol consumption leads to possible compensatory cerebral changes in binge drinkers that facilitate normal behavioral performance. These changes in cerebral responses may be considered as vulnerability factors for developing adult substance use disorders.
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Affiliation(s)
- Salvatore Campanella
- Laboratoire de Psychologie Médicale et d'Addictologie, Université Libre de Bruxelles (U.L.B.) and U.L.B. Neuroscience Institute, Brussels, Belgium.
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Littel M, Euser AS, Munafò MR, Franken IHA. Electrophysiological indices of biased cognitive processing of substance-related cues: a meta-analysis. Neurosci Biobehav Rev 2012; 36:1803-16. [PMID: 22613258 DOI: 10.1016/j.neubiorev.2012.05.001] [Citation(s) in RCA: 101] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2012] [Revised: 04/17/2012] [Accepted: 05/04/2012] [Indexed: 11/16/2022]
Abstract
Several studies indicate that individuals with substance use disorders (SUD) exhibit biases in the cognitive processing of substance-related stimuli. These biases facilitate the detection of substance cues and have been argued to play a causal or perpetuating role in addiction. Two electrophysiological indices of cognitive processing, the P300 and Slow Potential (SP) components of the event-related potential (ERP), are associated with the deployment of attentional resources to motivationally relevant stimuli. In the present meta-analysis P300 (300-800ms) and SP (>800ms) amplitudes are used to investigate whether SUD persons show enhanced cognitive processing of substance cues relative to neutral cues as opposed to control participants. Results indicated the P300 and SP amplitude effect sizes were significantly larger in SUD participants than controls. This result is explained by substance users' motivated attention. Additional stratified moderator analyses revealed that both P300 and SP amplitudes were not moderated by electrode site (Fz vs. Pz), type of substance used (stimulants vs. depressants), substance use status (abstinent vs. non-abstinent), age, gender and task requirements (active vs. passive paradigms).
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Affiliation(s)
- Marianne Littel
- Institute of Psychology, Erasmus University Rotterdam, The Netherlands.
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