具有分裂型特征的受试者在故意推理过程中的N400特征

IF 0.9 4区 心理学 Q4 NEUROSCIENCES
Anne-Lise Bohec, C. de Loye, M. Baltazar, A. Blanchet, R. Rey, M. Kostova
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引用次数: 1

摘要

摘要语境处理的缺陷可能是精神分裂症心理理论困难的基础,尽管迄今为止很少有研究探讨语境处理对同一任务中心理理论表现的影响。我们使用脑电图来研究具有分裂型特征的健康参与者从高结构句子和弱结构句子中产生的有意推断。34名参与者根据他们在分裂型人格问卷(SPQ)上的得分被分为两组。参与者听的故事需要一定程度的理解,以便对主角的意图进行推断。每个故事后面都有一个目标词,该词可能是高度可预测的(HP),也可能是弱预测的(WP),或者与上下文不兼容。结果表明,在高SPQ组中,WP靶标的N400成分更强。这种增加与分裂型的负面维度相关。这可能反映出,当情境对高分裂型参与者来说不够结构化时,产生有意推断的困难。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
N400 Peculiarities During Intentional Inferences Production in Subjects With Schizotypal Traits
Abstract. A deficit in context processing may underlie theory of mind (ToM) difficulties in schizophrenia, although few studies to date have explored the impact of contextual processing on ToM performances within the same task. We used electroencephalography to investigate the production of intentional inferences from highly versus weakly structured sentences in healthy participants with schizotypal traits. Thirty-four participants were divided into two groups according to their scores on the Schizotypal Personality Questionnaire (SPQ). The participants listened to stories that required a degree of understanding in order to produce an inference about the main character’s intention. Each story was followed by a target word that could either be highly predictable (HP), weakly predictable (WP), or incompatible with the context. The results indicate that the N400 component for WP targets was stronger in the high-SPQ group. This increase correlated with the negative dimension of schizotypy. This may reflect difficulties with generating intentional inferences when the context is insufficiently structured for high schizotypy participants.
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来源期刊
Journal of Psychophysiology
Journal of Psychophysiology 医学-神经科学
CiteScore
2.60
自引率
7.70%
发文量
25
审稿时长
>12 weeks
期刊介绍: The Journal of Psychophysiology is an international periodical that presents original research in all fields employing psychophysiological measures on human subjects. Contributions are published from psychology, physiology, clinical psychology, psychiatry, neurosciences, and pharmacology. Communications on new psychophysiological methods are presented as well. Space is also allocated for letters to the editor and book reviews. Occasional special issues are devoted to important current issues in psychophysiology.
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