International Journal of Psychophysiology最新文献

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Beyond single paradigms, pipelines, and outcomes: Embracing multiverse analyses in psychophysiology 超越单一范式、管道和结果:在心理生理学中采用多元宇宙分析法
IF 3 3区 心理学
International Journal of Psychophysiology Pub Date : 2024-01-29 DOI: 10.1016/j.ijpsycho.2024.112311
Peter E. Clayson
{"title":"Beyond single paradigms, pipelines, and outcomes: Embracing multiverse analyses in psychophysiology","authors":"Peter E. Clayson","doi":"10.1016/j.ijpsycho.2024.112311","DOIUrl":"10.1016/j.ijpsycho.2024.112311","url":null,"abstract":"<div><p>Psychophysiological research is an inherently complex undertaking due to the nature of the data, and its analysis is characterized by many decision points that shape the final dataset and a study's findings. These decisions create a “multiverse” of possible outcomes, and each decision from study conceptualization to statistical analysis can lead to different results and interpretations. This review describes the concept of multiverse analyses, a methodological approach designed to understand the impact of different decisions on the robustness of a study's findings and interpretation. The emphasis is on transparently showcasing different reasonable approaches for constructing a final dataset and on highlighting the influence of various decision points, from experimental design to data processing and outcome selection. For example, the choice of an experimental task can significantly impact event-related brain potential (ERP) scores or skin conductance responses (SCRs), and different tasks might elicit unique variances in each measure. This review underscores the importance of transparently embracing the flexibility inherent in psychophysiological research and the potential consequences of not understanding the fragility or robustness of experimental findings. By navigating the intricate terrain of the psychophysiological multiverse, this review serves as an introduction, helping researchers to make informed decisions, improve the collective understanding of psychophysiological findings, and push the boundaries of the field.</p></div>","PeriodicalId":54945,"journal":{"name":"International Journal of Psychophysiology","volume":"197 ","pages":"Article 112311"},"PeriodicalIF":3.0,"publicationDate":"2024-01-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S0167876024000151/pdfft?md5=8bdde34fa8f49942e3963b1a35791bf8&pid=1-s2.0-S0167876024000151-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139578043","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Executive function measures of participants with mild cognitive impairment: Systematic review and meta-analysis of event-related potential studies 轻度认知障碍患者的执行功能测量:事件相关电位研究的系统回顾和荟萃分析。
IF 3 3区 心理学
International Journal of Psychophysiology Pub Date : 2024-01-23 DOI: 10.1016/j.ijpsycho.2023.112295
Jiajun Che , Nan Cheng , Bicong Jiang , Yanli Liu , Haihong Liu , Yutong Li , Haining Liu
{"title":"Executive function measures of participants with mild cognitive impairment: Systematic review and meta-analysis of event-related potential studies","authors":"Jiajun Che ,&nbsp;Nan Cheng ,&nbsp;Bicong Jiang ,&nbsp;Yanli Liu ,&nbsp;Haihong Liu ,&nbsp;Yutong Li ,&nbsp;Haining Liu","doi":"10.1016/j.ijpsycho.2023.112295","DOIUrl":"10.1016/j.ijpsycho.2023.112295","url":null,"abstract":"<div><h3>Objective</h3><p><span>Objective measurements of executive functions using event-related potential (ERP) may be used as markers for differentiating healthy controls (HC) from patients with </span>mild cognitive impairment (MCI). ERP is non-invasive, cost-effective, and affordable. Older adults with MCI demonstrate deteriorated executive function, serving as a potentially valid neurophysiological marker for identifying MCI. We aimed to review published ERP studies on executive function in older adults with MCI and summarize the performance differences by component between healthy older adults and older adults with MCI.</p></div><div><h3>Methods</h3><p>Eight electronic databases (Web of Science, PubMed, ScienceDirect, American Psychological Association PsycNet, Cochrane Library, Scopus, Embase, and Ovid) were searched for the study. Articles published from January 1 to December 31, 2022, were considered for this review. A random-effects meta-analysis and between-study heterogeneity analysis were conducted using Comprehensive Meta-Analysis V3.0 software.</p></div><div><h3>Results</h3><p>We identified 7829 articles of which 28 met the full inclusion criteria and were included in the systematic review and analyses. Our pooled analysis suggested that participants with MCI can be differentiated from HC by significant P200, P300, and N200 latencies. The P100 and P300 amplitudes were significantly smaller in participants with MCI when compared with those in the HCs, and the patients with MCI showed increased N200 amplitudes. Our findings provide new insights into potential electrophysiological biomarkers for diagnosing MCI.</p></div>","PeriodicalId":54945,"journal":{"name":"International Journal of Psychophysiology","volume":"197 ","pages":"Article 112295"},"PeriodicalIF":3.0,"publicationDate":"2024-01-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139547139","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The link between daily affective complexity and anxiety is altered by oral contraceptive use 口服避孕药会改变日常情感复杂性与焦虑之间的联系
IF 3 3区 心理学
International Journal of Psychophysiology Pub Date : 2024-01-23 DOI: 10.1016/j.ijpsycho.2024.112310
Elizabeth Le , Natasha Chaku , Katherine T. Foster , Alexander S. Weigard , Adriene M. Beltz
{"title":"The link between daily affective complexity and anxiety is altered by oral contraceptive use","authors":"Elizabeth Le ,&nbsp;Natasha Chaku ,&nbsp;Katherine T. Foster ,&nbsp;Alexander S. Weigard ,&nbsp;Adriene M. Beltz","doi":"10.1016/j.ijpsycho.2024.112310","DOIUrl":"10.1016/j.ijpsycho.2024.112310","url":null,"abstract":"<div><p>Affective complexity – the unique ways in which individuals' emotions covary and differentiate – is an important aspect of internalizing problems. For instance, daily affective complexity has been linked to anxiety increases in women and to decreases in men. The mechanisms underlying this gender difference have not been widely investigated, but a role for ovarian hormones is likely. Research on oral contraceptives (OCs) provides promising insights into such mechanisms, as OCs suppress endogenous ovarian hormone production and vary in exogenous hormone formulations. Thus, the goal of this study was to examine links between daily affective complexity and internalizing problems in OC users (<em>n</em> = 84), focusing on dimensionally-assessed anxiety, and to investigate whether the links varied by pill formulation. Affective complexity was operationalized as number of factors for each person, as estimated by p-technique (i.e., person-specific factor analysis) of 75-day intensive longitudinal data. There was not a relation between affective complexity and anxiety in OC users, and this did not depend on OC pill formulation (i.e., estrogenic, progestational, or androgenic activities). Thus, OC use may blunt the relation between affective complexity and anxiety, as OC users had a relation in between the established positive relation for naturally cycling women and the inverse for men (despite a similar range of factors). Findings are consistent with a growing literature showing that OC use modulates stress and anxiety-linked processes, and suggest that gendered mechanisms underlying the relation between affective complexity and anxiety may be suppressed along with ovarian hormones in OC users.</p></div>","PeriodicalId":54945,"journal":{"name":"International Journal of Psychophysiology","volume":"198 ","pages":"Article 112310"},"PeriodicalIF":3.0,"publicationDate":"2024-01-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139556205","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
International Organization of Psychophysiology 国际心理生理学组织
IF 3 3区 心理学
International Journal of Psychophysiology Pub Date : 2024-01-19 DOI: 10.1016/S0167-8760(24)00008-4
{"title":"International Organization of Psychophysiology","authors":"","doi":"10.1016/S0167-8760(24)00008-4","DOIUrl":"https://doi.org/10.1016/S0167-8760(24)00008-4","url":null,"abstract":"","PeriodicalId":54945,"journal":{"name":"International Journal of Psychophysiology","volume":"196 ","pages":"Article 112304"},"PeriodicalIF":3.0,"publicationDate":"2024-01-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139493775","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The neuro-oscillatory profiles of static and dynamic music-induced visual imagery 静态和动态音乐引发的视觉图像的神经振荡特征
IF 3 3区 心理学
International Journal of Psychophysiology Pub Date : 2024-01-18 DOI: 10.1016/j.ijpsycho.2024.112309
Sarah Hashim , Mats B. Küssner , André Weinreich , Diana Omigie
{"title":"The neuro-oscillatory profiles of static and dynamic music-induced visual imagery","authors":"Sarah Hashim ,&nbsp;Mats B. Küssner ,&nbsp;André Weinreich ,&nbsp;Diana Omigie","doi":"10.1016/j.ijpsycho.2024.112309","DOIUrl":"10.1016/j.ijpsycho.2024.112309","url":null,"abstract":"<div><p>Visual imagery, i.e., seeing in the absence of the corresponding retinal input, has been linked to visual and motor processing areas of the brain. Music listening provides an ideal vehicle for exploring the neural correlates of visual imagery because it has been shown to reliably induce a broad variety of content, ranging from abstract shapes to dynamic scenes. Forty-two participants listened with closed eyes to twenty-four excerpts of music, while a 15-channel EEG was recorded, and, after each excerpt, rated the extent to which they experienced static and dynamic visual imagery. Our results show both static and dynamic imagery to be associated with posterior alpha suppression (especially in lower alpha) early in the onset of music listening, while static imagery was associated with an additional alpha enhancement later in the listening experience. With regard to the beta band, our results demonstrate beta enhancement to static imagery, but first beta suppression before enhancement in response to dynamic imagery. We also observed a positive association, early in the listening experience, between gamma power and dynamic imagery ratings that was not present for static imagery ratings. Finally, we offer evidence that musical training may selectively drive effects found with respect to static and dynamic imagery and alpha, beta, and gamma band oscillations. Taken together, our results show the promise of using music listening as an effective stimulus for examining the neural correlates of visual imagery and its contents. Our study also highlights the relevance of future work seeking to study the temporal dynamics of music-induced visual imagery.</p></div>","PeriodicalId":54945,"journal":{"name":"International Journal of Psychophysiology","volume":"199 ","pages":"Article 112309"},"PeriodicalIF":3.0,"publicationDate":"2024-01-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S0167876024000138/pdfft?md5=a92ff2df6bc43941498265adad9ef8ab&pid=1-s2.0-S0167876024000138-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139495021","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Down-regulation of theta amplitude through neurofeedback improves executive control network efficiency in healthy children 通过神经反馈下调θ振幅可提高健康儿童执行控制网络的效率
IF 3 3区 心理学
International Journal of Psychophysiology Pub Date : 2024-01-11 DOI: 10.1016/j.ijpsycho.2024.112301
Kaiwen Xiong, Mengqi Wan, Dan Cai, Wenya Nan
{"title":"Down-regulation of theta amplitude through neurofeedback improves executive control network efficiency in healthy children","authors":"Kaiwen Xiong,&nbsp;Mengqi Wan,&nbsp;Dan Cai,&nbsp;Wenya Nan","doi":"10.1016/j.ijpsycho.2024.112301","DOIUrl":"10.1016/j.ijpsycho.2024.112301","url":null,"abstract":"<div><p><span>Despite extensive clinical research on neurofeedback (NF) in attention-deficit/hyperactivity disorder (ADHD), few studies targeted the optimization of attention performance in healthy children. As a crucial component of attention networks, the executive control network, involved in resolving response conflicts and allocating cognitive resources, is closely linked to theta activity. Here, we aimed to answer whether theta down-regulating NF can enhance healthy children's attention performance, especially the executive control network. Sixty children aged 6–12 years were randomly assigned to the NF and waitlist control groups. The NF group received theta down-regulation NF training for five days (a total of 100 mins), and the attention performance of both groups was measured by the attention network test (ANT) in the pre, post-NF, and 7-day follow-up. The electroencephalographic (EEG) results demonstrated a significant decrease in resting-state theta amplitude within sessions. For the behavioral results, the NF group exhibited significant improvements in overall attention performance and the efficiency of the executive control network relative to the control group in the post-NF and follow-up assessment, whereas the alerting and orienting networks remained unchanged. These findings proved the feasibility of theta down-regulating NF and its positive effect on attention in the healthy children population. In particular, the facilitation of the efficiency of the executive control network and the unaltered performance of the other two attention networks in the NF group may support the causality between </span>theta rhythm and the executive control network.</p></div>","PeriodicalId":54945,"journal":{"name":"International Journal of Psychophysiology","volume":"197 ","pages":"Article 112301"},"PeriodicalIF":3.0,"publicationDate":"2024-01-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139423775","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The beneficial effects of concept definition and interactive imagery tasks on associative memory: Evidence from event-related potentials 概念定义和交互式想象任务对联想记忆的有益影响:事件相关电位的证据
IF 3 3区 心理学
International Journal of Psychophysiology Pub Date : 2024-01-10 DOI: 10.1016/j.ijpsycho.2024.112300
Zejun Liu , Jing Yuan , Wei Liu
{"title":"The beneficial effects of concept definition and interactive imagery tasks on associative memory: Evidence from event-related potentials","authors":"Zejun Liu ,&nbsp;Jing Yuan ,&nbsp;Wei Liu","doi":"10.1016/j.ijpsycho.2024.112300","DOIUrl":"10.1016/j.ijpsycho.2024.112300","url":null,"abstract":"<div><p>It is widely accepted that familiarity can support associative memory when the to-be-remember items are unitized into a new representation. However, there has been relatively little attention devoted to investigating the effects of different unitization manipulations on associative memory. The present study aimed to address this gap by examining the effects of varying levels of unitization through three tasks: Concept definition, interactive imagery, and sentence frame tasks. The behavioral results revealed that associative memory was significantly enhanced in the interactive imagery task compared to the sentence frame task. However, no significant differences were found between the sentence frame and concept definition tasks, or between the concept definition and interactive imagery tasks. In terms of the neural correlates, the event-related potential (ERP) results revealed that the sentence frame task only elicited a significant recollection-related LPC old/new effect, while the concept definition task only elicited a significant familiarity-related FN400 old/new effect. However, the interactive representation task elicited both of these distinct effects. These findings suggest that both the concept definition and interactive imagery tasks can enhance familiarity for supporting associative memory, but their beneficial effects on associative memory or LPC old/new effects may be different.</p></div>","PeriodicalId":54945,"journal":{"name":"International Journal of Psychophysiology","volume":"197 ","pages":"Article 112300"},"PeriodicalIF":3.0,"publicationDate":"2024-01-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139414366","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Errors elicit frontoparietal theta-gamma coupling that is modulated by endogenous estradiol levels 错误引起的额顶叶θ-γ耦合受内源性雌二醇水平的调节
IF 3 3区 心理学
International Journal of Psychophysiology Pub Date : 2024-01-10 DOI: 10.1016/j.ijpsycho.2024.112299
Jason S. Moser , Tamanna T.K. Munia , Courtney C. Louis , Grace E. Anderson , Selin Aviyente
{"title":"Errors elicit frontoparietal theta-gamma coupling that is modulated by endogenous estradiol levels","authors":"Jason S. Moser ,&nbsp;Tamanna T.K. Munia ,&nbsp;Courtney C. Louis ,&nbsp;Grace E. Anderson ,&nbsp;Selin Aviyente","doi":"10.1016/j.ijpsycho.2024.112299","DOIUrl":"10.1016/j.ijpsycho.2024.112299","url":null,"abstract":"<div><p><span><span>Cognitive control-related error monitoring is intimately involved in behavioral adaptation, learning, and individual differences in a variety of psychological traits and disorders. Accumulating evidence suggests that a focus on women's health and ovarian hormones is critical to the study of such cognitive brain functions. Here we sought to identify a novel index of error monitoring using a time-frequency based phase amplitude coupling (t-f PAC) measure and examine its modulation by endogenous levels of estradiol in females. Forty-three healthy, naturally cycling young adult females completed a </span>flanker task while continuous electroencephalogram was recorded on four occasions across the menstrual cycle. Results revealed significant error-related t-f PAC between theta phase generated in fronto-central areas and gamma amplitude generated in parietal-occipital areas. Moreover, this error-related theta-gamma coupling was enhanced by endogenous levels of estradiol both within females across the cycle as well as between females with higher levels of average circulating estradiol. While the role of frontal midline theta in error processing is well documented, this paper extends the extant literature by illustrating that error monitoring involves the coordination between multiple distributed systems with the slow midline theta activity modulating the power of gamma-band oscillatory activity in parietal regions. They further show enhancement of inter-regional coupling by endogenous estradiol levels, consistent with research indicating modulation of cognitive control neural functions by the </span>endocrine system<span> in females. Together, this work identifies a novel neurophysiological marker of cognitive control-related error monitoring in females that has implications for neuroscience and women's health.</span></p></div>","PeriodicalId":54945,"journal":{"name":"International Journal of Psychophysiology","volume":"197 ","pages":"Article 112299"},"PeriodicalIF":3.0,"publicationDate":"2024-01-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139414411","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The relationship between sustained attention and parasympathetic functioning 持续注意力与副交感神经功能之间的关系
IF 3 3区 心理学
International Journal of Psychophysiology Pub Date : 2024-01-09 DOI: 10.1016/j.ijpsycho.2024.112298
Thomas Wooten , Michael Esterman , Tad T. Brunyé , Holly A. Taylor , Nathan Ward
{"title":"The relationship between sustained attention and parasympathetic functioning","authors":"Thomas Wooten ,&nbsp;Michael Esterman ,&nbsp;Tad T. Brunyé ,&nbsp;Holly A. Taylor ,&nbsp;Nathan Ward","doi":"10.1016/j.ijpsycho.2024.112298","DOIUrl":"10.1016/j.ijpsycho.2024.112298","url":null,"abstract":"<div><p><span>Sustained attention (SA) is an important cognitive ability that plays a crucial role in successful cognitive control. Resting vagally-mediated heart rate variability (vmHRV) has emerged as an informative index of parasympathetic nervous system activity and a sensitive correlate of individual differences in cognitive control. However, it is unclear how resting vmHRV is associated with individual differences in sustained attention. The primary aim of the current study was to assess if resting vmHRV was associated with individual differences in performance on a </span>neuropsychological assessment<span> of sustained attention. We further aimed to characterize the relationship between resting vmHRV and dispositional factors related to sustained attention, specifically attentional errors in daily life, self-regulation, mindfulness<span> and media-multitasking. Based on previous work, we hypothesized higher resting vmHRV would be associated with better sustained attention across task-based and self-report measures. We did not find resting vmHRV to be significantly associated with performance measures on a task-based assessment of sustained attention. Further, resting vmHRV was not significantly associated with attention errors, self-regulation, mindfulness, or media-multitasking. This work stands to expand the current understanding between parasympathetic functioning, cognition, and behavior, investigating the unexplored domain of sustained attention and related dispositional factors.</span></span></p></div>","PeriodicalId":54945,"journal":{"name":"International Journal of Psychophysiology","volume":"197 ","pages":"Article 112298"},"PeriodicalIF":3.0,"publicationDate":"2024-01-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139414468","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Impact of handgun ownership and biological sex on startle reactivity to predictable and unpredictable threats 拥有手枪和生理性别对可预测和不可预测威胁的惊吓反应性的影响
IF 3 3区 心理学
International Journal of Psychophysiology Pub Date : 2024-01-05 DOI: 10.1016/j.ijpsycho.2024.112297
Charles A. Manzler , Stephanie M. Gorka , Jeffrey V. Tabares , Craig J. Bryan
{"title":"Impact of handgun ownership and biological sex on startle reactivity to predictable and unpredictable threats","authors":"Charles A. Manzler ,&nbsp;Stephanie M. Gorka ,&nbsp;Jeffrey V. Tabares ,&nbsp;Craig J. Bryan","doi":"10.1016/j.ijpsycho.2024.112297","DOIUrl":"10.1016/j.ijpsycho.2024.112297","url":null,"abstract":"<div><p><span>Extant literature suggests that many individuals obtain firearms because they perceive the world as unsafe and believe that firearm ownership increases physical protection. Converging evidence suggests that firearm owners are vulnerable to uncertainty and experience chronic anticipatory anxiety in daily life; however, biological sex is thought to potentially moderate this association. Studies have yet to examine this hypothesis using objective markers of anticipatory anxiety. The present study therefore examined the impact of handgun ownership and biological sex on psychophysiological reactivity to predictable (P-) and unpredictable (U-) threat (</span><em>N</em> = 133). Male and female adult participants were classified into two groups: a) individuals who do not currently own any handguns (<em>n</em> = 52), and b) individuals who currently own one or more handguns (<em>n</em> = 81). Startle eyeblink potentiation was recorded as an index of aversive reactivity during a well-validated threat-of-shock paradigm designed to probe anticipatory anxiety (during U-threat) and fear (during P-threat). Results revealed no main effect of group on startle reactivity to P- or U-threat. Females displayed greater startle reactivity to threat (P- and U-) compared with males. The main effect was qualified by a significant group x biological sex interaction. Male handgun owners exhibited greater startle to U-threat, but not P-threat, relative to non-handgun owners. There was no effect of group on startle reactivity in females. Findings revealed that biological sex and threat type influenced threat reactivity. Male handgun owners displayed increased sensitivity to stressors that are uncertain, which may reflect an objective mechanism related to firearm ownership.</p></div>","PeriodicalId":54945,"journal":{"name":"International Journal of Psychophysiology","volume":"197 ","pages":"Article 112297"},"PeriodicalIF":3.0,"publicationDate":"2024-01-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139101911","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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