中国发展性阅读障碍儿童的空间和时间加工困难:一个ERP研究

IF 1.9 3区 教育学 Q1 EDUCATION, SPECIAL
Dyslexia Pub Date : 2022-08-02 DOI:10.1002/dys.1723
Ze-Long Meng, Meng-Lian Liu, Hong-Yan Bi
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引用次数: 5

摘要

巨细胞(M)缺陷理论表明,发展性阅读障碍(DD)个体对高时间频率(HTF)和低空间频率(LSF)刺激的敏感性较低。然而,一些研究发现,时间加工和空间加工与不同的阅读相关技能相关。汉语是一种文字语言,阅读汉语时,视觉技巧尤为重要。本研究采用电生理记录的方法,对13名DD儿童和13名同龄正常儿童进行光栅方向判断任务时P1的平均振幅和潜伏期进行了研究。与年龄匹配的儿童相比,阅读困难儿童在HTF和LSF条件下表现出低幅度和长潜伏期的P1。在HTF条件下,P1的振幅与语音意识相关,P1的潜伏期与阅读流畅性和快速命名数字相关。LSF条件下P1的振幅与读取精度相关。这表明中国DD儿童在M通路的时间和空间加工上都存在困难。然而,时间加工和空间加工在汉语阅读中所起的作用不同。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Spatial and temporal processing difficulties in Chinese children with developmental dyslexia: An ERP study

Magnocellular (M) deficit theory indicates that individuals with developmental dyslexia (DD) have low sensitivity to stimuli with high temporal frequencies (HTF) and low spatial frequencies (LSF). However, some studies found that temporal processing and spatial processing were correlated with different reading-related skills. Chinese is a logographic language, and visual skills are particularly important for reading in Chinese. It is necessary to investigate the temporal and spatial processing abilities in the M pathway of Chinese children with DD. Using electrophysiological recordings, the present study examined the mean amplitude and latency of P1 during a grating direction judgment task in 13 children with DD and 13 age-matched normal children. Dyslexic children showed a low amplitude and long latency of P1 in the HTF condition and LSF condition compared with age-matched children. In the HTF condition, the amplitude of P1 correlated with phonological awareness, and the latency of P1 correlated with reading fluency and rapid naming of digits. The amplitude of P1 in the LSF condition correlated with reading accuracy. This result suggested that Chinese children with DD had difficulties in both temporal and spatial processing in the M pathway. However, temporal processing and spatial processing played different roles in Chinese reading.

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来源期刊
Dyslexia
Dyslexia Multiple-
CiteScore
3.90
自引率
9.10%
发文量
27
期刊介绍: DYSLEXIA provides reviews and reports of research, assessment and intervention practice. In many fields of enquiry theoretical advances often occur in response to practical needs; and a central aim of the journal is to bring together researchers and practitioners in the field of dyslexia, so that each can learn from the other. Interesting developments, both theoretical and practical, are being reported in many different countries: DYSLEXIA is a forum in which a knowledge of these developments can be shared by readers in all parts of the world. The scope of the journal includes relevant aspects of Cognitive, Educational, Developmental and Clinical Psychology Child and Adult Special Education and Remedial Education Therapy and Counselling Neuroscience, Psychiatry and General Medicine The scope of the journal includes relevant aspects of: - Cognitive, Educational, Developmental and Clinical Psychology - Child and Adult Special Education and Remedial Education - Therapy and Counselling - Neuroscience, Psychiatry and General Medicine
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