我认为她对我瘫痪身体的看法:偏瘫失认症患者对残疾相关内容的社会推断。

IF 2 4区 心理学 Q2 PSYCHOLOGY
Sahba Besharati, Paul M Jenkinson, Michael Kopelman, Mark Solms, Cristina Bulgarelli, Valentina Pacella, Valentina Moro, Aikaterini Fotopoulou
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引用次数: 0

摘要

偏瘫失认症(AHP)这一神经心理学疾病可以为我们提供独特的视角,帮助我们了解身体意识和表征的神经认知过程。以往的研究发现,选择性社会认知缺陷与失认症之间存在关联。在本研究中,我们研究了这种社会认知缺陷如何与 AHP 中残障者的身体表征直接相互作用。我们使用了一套经过修改的、先前经过验证的心智理论(ToM)故事,创建了与中风后瘫痪有关的残疾相关内容,并研究了患有(n = 19)和未患有(n = 19)AHP 的右半球受损患者之间的差异。我们预计,在尝试推断与瘫痪有关的 ToM 故事中与瘫痪相关的心理状态时,AHP 患者的表现会比对照组患者差,并探讨了这种差异是否取决于患者被要求进行的推断(如自我或其他参照物透视)。利用先进的结构神经影像学技术,我们预计选择性社会认知缺陷与后顶叶皮层病变有关,而在瘫痪相关的思维过程中自我参照透视的缺陷与前顶叶断裂有关。群体和个体层面的结果显示,AHP 患者在尝试推断与瘫痪相关的心理状态时,表现不如 HP 对照组。探索性病变分析结果显示了一些假定的病变,但也意外发现了与瘫痪相关的ToM故事中的自我推断视角相关的后体和副体的白质断裂。这项研究对身体意识的多层次性具有重要意义,包括有关身体的抽象、社会视角和信念。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
What I think she thinks about my paralysed body: Social inferences about disability-related content in anosognosia for hemiplegia.

The neuropsychological disorder of anosognosia for hemiplegia (AHP) can offer unique insights into the neurocognitive processes of body consciousness and representation. Previous studies have found associations between selective social cognition deficits and anosognosia. In this study, we examined how such social cognition deficits may directly interact with representations of one's body as disabled in AHP. We used a modified set of previously validated Theory of Mind (ToM) stories to create disability-related content that was related to post-stroke paralysis and to investigate differences between right hemisphere damage patients with (n = 19) and without (n = 19) AHP. We expected AHP patients to perform worse than controls when trying to infer paralysis-related mental states in the paralysis-related ToM stories and explored whether such differences depended on the inference patients were asked to perform (e.g. self or other referent perspective-taking). Using an advanced structural neuroimaging technique, we expected selective social cognitive deficits to be associated with posterior parietal cortex lesions and deficits in self-referent perspective-taking in paralysis-related mentalising to be associated with frontoparietal disconnections. Group- and individual-level results revealed that AHP patients performed worse than HP controls when trying to infer paralysis-related mental states. Exploratory lesion analysis results revealed some of the hypothesised lesions, but also unexpected white matter disconnections in the posterior body and splenium of the corpus collosum associated with a self-referent perspective-taking in paralysis-related ToM stories. The study has implications for the multi-layered nature of body awareness, including abstract, social perspectives and beliefs about the body.

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来源期刊
Journal of Neuropsychology
Journal of Neuropsychology 医学-心理学
CiteScore
4.50
自引率
4.50%
发文量
34
审稿时长
>12 weeks
期刊介绍: The Journal of Neuropsychology publishes original contributions to scientific knowledge in neuropsychology including: • clinical and research studies with neurological, psychiatric and psychological patient populations in all age groups • behavioural or pharmacological treatment regimes • cognitive experimentation and neuroimaging • multidisciplinary approach embracing areas such as developmental psychology, neurology, psychiatry, physiology, endocrinology, pharmacology and imaging science The following types of paper are invited: • papers reporting original empirical investigations • theoretical papers; provided that these are sufficiently related to empirical data • review articles, which need not be exhaustive, but which should give an interpretation of the state of research in a given field and, where appropriate, identify its clinical implications • brief reports and comments • case reports • fast-track papers (included in the issue following acceptation) reaction and rebuttals (short reactions to publications in JNP followed by an invited rebuttal of the original authors) • special issues.
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