面孔组经验影响6月和9月婴儿的面孔加工,但不影响面孔分化

IF 1.8 4区 心理学 Q3 DEVELOPMENTAL BIOLOGY
Grace Wallsinger, Maeve R. Boylan, Jessica Sanches Braga Figueira, Ryan Barry-Anwar, Gabriella Silva, Andreas Keil, Lisa S. Scott
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引用次数: 0

摘要

本研究考察了6个月和9个月大时熟悉种族和不熟悉种族面孔的神经分化。四组面孔中的两组(一组熟悉的和一组不熟悉的)是根据父母对婴儿面孔体验的报告向婴儿展示的。婴儿完成了一个快速周期性视觉刺激(FPVS)脑电图任务,其中以6赫兹的频率呈现熟悉和不熟悉的面孔组,相当于低水平的视觉差异。在每个区块中,以1.2 Hz(每五张脸)的频率呈现不同的个体。与不熟悉组相比,熟悉组的内侧枕部6hz神经反应更大,这主要是由6个月大的年龄组驱动的。在两种年龄以及熟悉和不熟悉的面孔组中,枕部都存在强劲的1.2 Hz反应,表明个体水平的面孔分化。然而,在6个月和9个月大的婴儿中,1.2 Hz反应的地形有所不同,这表明随着年龄的增长,面部分化变得越来越右偏。目前的结果强调了面部经验对与面部处理(6赫兹)相关的大脑视觉皮质反应的重要性,并表明面部分化(1.2赫兹)在6个月大时就存在,不受面部熟悉度的影响。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Experience With Face Groups Impacts Face Processing, but Not Face Differentiation in 6- and 9-Month-Old Infants

The present study examined neural differentiation of faces from familiar and unfamiliar race groups at 6 and 9 months of age. Two of four face groups (one familiar and one unfamiliar) were shown to infants based on parent reports of infant face experience. Infants completed a fast periodic visual stimulation (FPVS) EEG task in which separate blocks of familiar and unfamiliar face groups, equated for low-level visual differences, were presented at a rate of 6 Hz. Within each block, a different individual was presented at 1.2 Hz (every fifth face). A medial occipital 6 Hz neural response was greater for faces from the familiar compared to the unfamiliar group, which was primarily driven by the 6-month-old age group. A robust occipital 1.2 Hz response was present for both ages and for both familiar and unfamiliar face groups, suggesting individual-level face differentiation. However, the topography of the 1.2 Hz response differed for 6- and 9-month-olds and suggests that face differentiation becomes increasingly right lateralized with age. The present results highlight the importance of face experience on visuocortical brain responses associated with face processing (6 Hz) and suggest that face differentiation (1.2 Hz) is present by 6 months of age and not impacted by face familiarity.

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来源期刊
Developmental psychobiology
Developmental psychobiology 生物-发育生物学
CiteScore
4.20
自引率
18.20%
发文量
125
审稿时长
6-12 weeks
期刊介绍: Developmental Psychobiology is a peer-reviewed journal that publishes original research papers from the disciplines of psychology, biology, neuroscience, and medicine that contribute to an understanding of behavior development. Research that focuses on development in the embryo/fetus, neonate, juvenile, or adult animal and multidisciplinary research that relates behavioral development to anatomy, physiology, biochemistry, genetics, or evolution is appropriate. The journal represents a broad phylogenetic perspective on behavior development by publishing studies of invertebrates, fish, birds, humans, and other animals. The journal publishes experimental and descriptive studies whether carried out in the laboratory or field. The journal also publishes review articles and theoretical papers that make important conceptual contributions. Special dedicated issues of Developmental Psychobiology , consisting of invited papers on a topic of general interest, may be arranged with the Editor-in-Chief. Developmental Psychobiology also publishes Letters to the Editor, which discuss issues of general interest or material published in the journal. Letters discussing published material may correct errors, provide clarification, or offer a different point of view. Authors should consult the editors on the preparation of these contributions.
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