Role of the left inferior frontal gyrus in transforming format types of action descriptions between stimuli and representations

IF 1.2 3区心理学 Q2 LINGUISTICS

Journal of Neurolinguistics Pub Date : 2024-02-15 DOI:10.1016/j.jneuroling.2024.101191

Hiroshi Shibata , Kenji Ogawa

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Abstract

We performed a functional magnetic resonance imaging study to elucidate the process involved in the transformation of the format types of action descriptions between stimuli and representations. We independently manipulated the format types of both stimuli (visual action [Vi] vs. verbal [Ve] stimulus) and internal representations (Vi vs. Ve representation) and set four types of experimental tasks. Each participant was required to generate a Vi or Ve representation after being presented with a Vi or Ve stimulus, according to each task. Increased activity in the left inferior frontal gyrus (IFG) (Brodmann areas 44 and 45) was found in the transformation contrast: ([Vi stimulus and Ve representation] + [Ve stimulus and Vi representation]) > ([Vi stimulus and Vi representation] + [Ve stimulus and Ve representation]). This result suggests that the left IFG is involved with the transformation process and has the function of generating an internal representation in a format different from that of externally presented stimuli.

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左额叶下回在转换刺激和表象之间的动作描述格式类型中的作用

我们进行了一项功能磁共振成像研究，以阐明动作描述的格式类型在刺激和表征之间的转换过程。我们对刺激（视觉动作[Vi] 与语言[Ve] 刺激）和内部表征（Vi 与 Ve 表征）的格式类型进行了独立操作，并设置了四种类型的实验任务。每个被试在接受 Vi 或 Ve 刺激后，都需要根据不同的任务生成 Vi 或 Ve 表征。在转换对比中发现左侧额叶下回（IFG）（布罗德曼区 44 和 45）的活动增加：（[Vi 刺激和 Ve 表征] + [Ve 刺激和 Vi 表征]）> （[Vi 刺激和 Vi 表征] + [Ve 刺激和 Ve 表征]）。这一结果表明，左侧 IFG 参与了转换过程，并具有生成与外部刺激不同格式的内部表征的功能。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Journal of Neurolinguistics 医学-神经科学

CiteScore

3.90

自引率

5.00%

发文量

审稿时长

17.2 weeks

期刊介绍： The Journal of Neurolinguistics is an international forum for the integration of the neurosciences and language sciences. JNL provides for rapid publication of novel, peer-reviewed research into the interaction between language, communication and brain processes. The focus is on rigorous studies of an empirical or theoretical nature and which make an original contribution to our knowledge about the involvement of the nervous system in communication and its breakdowns. Contributions from neurology, communication disorders, linguistics, neuropsychology and cognitive science in general are welcome. Published articles will typically address issues relating some aspect of language or speech function to its neurological substrates with clear theoretical import. Interdisciplinary work on any aspect of the biological foundations of language and its disorders resulting from brain damage is encouraged. Studies of normal subjects, with clear reference to brain functions, are appropriate. Group-studies on well defined samples and case studies with well documented lesion or nervous system dysfunction are acceptable. The journal is open to empirical reports and review articles. Special issues on aspects of the relation between language and the structure and function of the nervous system are also welcome.