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Social Hypersensitivity in Bipolar Disorder: An ERP Study

Published online by Cambridge University Press:  01 September 2022

Y. Kwan ,
J. Lee ,
S. Hwang  and
S. Choi
Y. Kwan*
Affiliation:
Yonsei University Wonju College of Medicine, Psychiatry, Wonju, Republic of Korea Duksung Women’s University, Clinical Psychology, Soul, Republic of Korea
J. Lee
Affiliation:
Yonsei University Wonju College of Medicine, Psychiatry, Wonju, Republic of Korea
S. Hwang
Affiliation:
Yonsei University Wonju College of Medicine, Artificial Intelligence Bigdata Medical Center, Wonju, Republic of Korea
S. Choi
Affiliation:
Duksung Women’s University, Clinical Psychology, Soul, Republic of Korea
*
*Corresponding author.

Abstract

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Introduction

Bipolar Disorder (BD) is a disorder in which cognitive function is relatively preserved but social functioning is markedly impaired. Interestingly, studies on BD show that the patients have a strong desire for social rewards. Hypersensitivity to social rewards in BD has not yet been sufficiently examined through experimental methods, although recent studies have pointed out that their reward hypersensitivity is the cause of symptoms and dysfunction.

Objectives

The purpose of this study was to investigate whether patients with BD are hypersensitive to social rewards using the social value capture task.

Methods

Groups of 25 BD and healthy control (HC) each completed the social value attention capture task. This task consists of a practice phase in which associative learning of social rewards with specific stimuli occurs, and a test phase in which the stimuli associated with rewards appear as distractors during the participants performing a selective attention task. We also recorded event-related potential (ERP) in the practice phase in order to investigate BDs’ cortical activity for social reward.

Results

showed significantly decreased accuracy rate and increased reaction time in the high social reward-associated distractor trials of the test phase in the BD compared to the HC. As a result of analysis in ERP components, P3 amplitude for social reward was significantly greater in the BD than the HC.

Conclusions

BD patients exhibit behavioral and physiological hypersensitivity to social rewards that might contribute to social dysfunction.

Disclosure

No significant relationships.

Keywords

reward hypersensitivitysocial rewardbipolar disorder
Type
Abstract
Information
European Psychiatry , Volume 65 , Special Issue S1: Abstracts of the 30th European Congress of Psychiatry , June 2022 , pp. S159
Creative Commons
Creative Common License - CCCreative Common License - BY
This is an Open Access article, distributed under the terms of the Creative Commons Attribution licence (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted re-use, distribution, and reproduction in any medium, provided the original work is properly cited.
Copyright
© The Author(s), 2022. Published by Cambridge University Press on behalf of the European Psychiatric Association
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