Processing objects of perceptual expertise: Differential interhemispheric transmission efficiency but similar transmission direction advantages

IF 2 3区心理学 Q3 BEHAVIORAL SCIENCES Neuropsychologia Pub Date : 2023-09-09 DOI:10.1016/j.neuropsychologia.2023.108568

Simin Wan , Yini Sun , Qing Ye , Yu Gu , Werner Sommer , Xiaohua Cao

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Abstract

Faces and Chinese characters are both objects of perceptual expertise. In this study, we investigated the characteristics of interhemispheric transmission times (IHTTs) in both transmission direction and transmission efficiency during the processing of objects of perceptual expertise. A total of 112 participants engaged in a divided visual field paradigm for faces, Chinese characters, and houses in both upright and inverted orientations. The N170 amplitudes elicited by the objects of perceptual expertise (faces and Chinese characters) involved in this study were larger than those elicited by the non-perceptual expertise objects (houses). We used the latencies of the N170 component of the event-related potential (ERP) recorded in the left and right hemispheres to calculate the IHTTs. For all objects, the N170-related IHTTs from the right to the left hemispheres were shorter than those in the opposite direction. Essentially, the N170-related IHTTs for faces were shorter, that is, more efficient than those for Chinese characters and houses. This result indicates that the IHTTs during perceptual expertise and non-perceptual expertise object processing share a common transmission direction advantage, but transmission efficiency is face-specific.

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感知专业知识的处理对象：半球间传输效率不同但传输方向相似的优势

面孔和汉字都是感性专门知识的对象。在本研究中，我们研究了在处理感知专业知识对象过程中，半球间传输时间（IHTT）在传输方向和传输效率方面的特征。共有112名参与者参与了一个垂直和倒置方向的人脸、汉字和房屋的分视野范式。本研究涉及的感知专业对象（人脸和汉字）引发的N170振幅大于非感知专业对象的N170波幅。我们使用左右半球记录的事件相关电位（ERP）N170成分的潜伏期来计算IHTT。对于所有物体，从右到左半球的N170相关IHTT都比相反方向的短。从本质上讲，与N170相关的人脸IHTT更短，也就是说，比汉字和房屋的IHTT更有效。这一结果表明，在感知专业知识和非感知专业知识对象处理过程中，IHTT具有共同的传输方向优势，但传输效率是面向特定人脸的。

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来源期刊

Neuropsychologia 医学-行为科学

CiteScore

5.10

自引率

3.80%

发文量

228

审稿时长

4 months

期刊介绍： Neuropsychologia is an international interdisciplinary journal devoted to experimental and theoretical contributions that advance understanding of human cognition and behavior from a neuroscience perspective. The journal will consider for publication studies that link brain function with cognitive processes, including attention and awareness, action and motor control, executive functions and cognitive control, memory, language, and emotion and social cognition.