• J Pain · May 2020

    Shared sensitivity to physical pain and social evaluation.

    • Manlin Yao, Yi Lei, Peng Li, Qian Ye, Yang Liu, Xiaoyun Li, and Weiwei Peng.
    • School of Psychology, Shenzhen University, Shenzhen, Guangdong, China; Shenzhen Key Laboratory of Affective and Social Cognitive Science, Shenzhen University, Shenzhen, Guangdong, China.
    • J Pain. 2020 May 1; 21 (5-6): 677-688.

    AbstractMany studies have demonstrated a link between experiences of physical pain and those of social rejection, both of which can trigger cognitive processes involved in detecting, orienting toward, or reacting to potentially threatening events. This study tested the hypothesis that healthy individuals who are more sensitive to physical pain are also more sensitive to social rejection. We recruited participants with high or low pain-sensitivity (HPS and LPS), as assessed by scores on a pain-sensitivity questionnaire and confirmed by experimental pain-sensitivity assessment. A modified social-judgment task was adopted in which participants first provided expectations about being liked/disliked by "peers", and then received "peers" feedback indicating acceptance or rejection. While both groups rated rejection as more unpleasant than acceptance, this difference was greater in the HPS group. Electroencephalographic results showed that only participants in the HPS group exhibited greater early delta/theta-oscillations (δ/θ-oscillations) in response to rejection than to acceptance, regardless of whether the feedback was expected or unexpected. However, both groups consistently exhibited greater late δ/θ-oscillations in response to rejection when the feedback was unexpected. These results suggest that participants in the HPS group were more sensitive to social cues signaling acceptance or rejection at early stages of information processing. Furthermore, neither early nor late δ/θ-oscillations following nonsocial feedback (correct or incorrect time-estimation) differed between groups. Altogether, these results supported the idea of shared sensitivity in detecting potentially physical and social threats in the environment. PERSPECTIVES: This study showed the greater emotional reactions and early-latency δ/θ-oscillations in response to social evaluation among healthy individuals with high pain sensitivity. It supports the idea of shared sensitivity to physical pain and social evaluation, which could be governed by a common system for detecting and monitoring potentially environmental threats.Copyright © 2019 United States Association for the Study of Pain, Inc. Published by Elsevier Inc. All rights reserved.

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