{"title":"Neural underpinnings of a two-phase memory suppression process in the neural response to self-related and observed perspective views","authors":"","doi":"10.1016/j.ijchp.2024.100509","DOIUrl":null,"url":null,"abstract":"<div><div>Individuals often actively suppress intrusive memories to alleviate the distress they cause and maintain mental well-being. However, those with post-traumatic stress disorder (PTSD) often exhibit difficulties particularly in inhibiting or suppressing negative memories compared to individuals without PTSD. These memories can involve a physical threat either to the individual themselves or to others. Unfortunately, there is still limited understanding of the cognitive and neural mechanisms that underlie how suppression differs for self-related versus other-related memories. Here we capitalized on multivariate pattern analyses in combination with fMRI data acquired during a two-phase memory suppression paradigm where participants volitionally suppressed and subsequently recognized self-related and other-related stimuli. The results suggested that the recognition process following memory suppression demands more cognitive engagement for self-related stimuli than other-related stimuli, manifesting in increased activity in the dorsal anterior cingulate cortex (dACC). Furthermore, after memory suppression, we observed a stronger functional coupling between dACC identified during memory suppression, and both the middle frontal gyrus and the insula during self-related recognition compared to other-related recognition. An advanced multivariate pattern analysis substantiated that the limbic system and empathy network particularly contributed to accurately distinguishing between self-related and other-related recognition following memory suppression. Our findings demonstrated distinct neural representations of memory suppression related to self and others, suggesting that different strategies may be employed for suppressing intrusive memories originating from different sources.</div></div>","PeriodicalId":47673,"journal":{"name":"International Journal of Clinical and Health Psychology","volume":null,"pages":null},"PeriodicalIF":5.3000,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"International Journal of Clinical and Health Psychology","FirstCategoryId":"102","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S1697260024000747","RegionNum":1,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"PSYCHOLOGY, CLINICAL","Score":null,"Total":0}
引用次数: 0
Abstract
Individuals often actively suppress intrusive memories to alleviate the distress they cause and maintain mental well-being. However, those with post-traumatic stress disorder (PTSD) often exhibit difficulties particularly in inhibiting or suppressing negative memories compared to individuals without PTSD. These memories can involve a physical threat either to the individual themselves or to others. Unfortunately, there is still limited understanding of the cognitive and neural mechanisms that underlie how suppression differs for self-related versus other-related memories. Here we capitalized on multivariate pattern analyses in combination with fMRI data acquired during a two-phase memory suppression paradigm where participants volitionally suppressed and subsequently recognized self-related and other-related stimuli. The results suggested that the recognition process following memory suppression demands more cognitive engagement for self-related stimuli than other-related stimuli, manifesting in increased activity in the dorsal anterior cingulate cortex (dACC). Furthermore, after memory suppression, we observed a stronger functional coupling between dACC identified during memory suppression, and both the middle frontal gyrus and the insula during self-related recognition compared to other-related recognition. An advanced multivariate pattern analysis substantiated that the limbic system and empathy network particularly contributed to accurately distinguishing between self-related and other-related recognition following memory suppression. Our findings demonstrated distinct neural representations of memory suppression related to self and others, suggesting that different strategies may be employed for suppressing intrusive memories originating from different sources.
期刊介绍:
The International Journal of Clinical and Health Psychology is dedicated to publishing manuscripts with a strong emphasis on both basic and applied research, encompassing experimental, clinical, and theoretical contributions that advance the fields of Clinical and Health Psychology. With a focus on four core domains—clinical psychology and psychotherapy, psychopathology, health psychology, and clinical neurosciences—the IJCHP seeks to provide a comprehensive platform for scholarly discourse and innovation. The journal accepts Original Articles (empirical studies) and Review Articles. Manuscripts submitted to IJCHP should be original and not previously published or under consideration elsewhere. All signing authors must unanimously agree on the submitted version of the manuscript. By submitting their work, authors agree to transfer their copyrights to the Journal for the duration of the editorial process.