阅读障碍儿童存在一般时间处理缺陷的心理物理学证据。
Psychophysical evidence for a general temporal processing deficit in children with dyslexia.
作者信息
Van Ingelghem M, van Wieringen A, Wouters J, Vandenbussche E, Onghena P, Ghesquière P
机构信息
Section of Orthopedagogics, Katholieke Universiteit Leuven, Vesaliusstraat 2, B-3000 Leuven, Belgium.
出版信息
Neuroreport. 2001 Nov 16;12(16):3603-7. doi: 10.1097/00001756-200111160-00046.
The hypothesis of a general (i.e. cross-modal) temporal processing deficit in dyslexia was tested by examining rapid processing in both the auditory and the visual system in the same children with dyslexia. Participants were 10- to 12-year-old dyslexic readers and age-matched normal reading controls. Psychophysical thresholds were estimated for auditory gap and visual double flash detection, using a two-interval, two-alternative forced-choice paradigm. Significant group differences were found for the auditory and the visual test. Furthermore, temporal processing measures were significantly related to word and pseudo-word reading skills. As 70% of the dyslexic readers had significantly higher thresholds than controls for both auditory and visual temporal processing, the evidence tends to support the hypothesis of a general temporal processing deficit in children with dyslexia.
通过检测患有诵读困难症的同一批儿童的听觉和视觉系统中的快速处理能力，对诵读困难症中存在普遍（即跨模态）时间处理缺陷这一假设进行了测试。参与者为10至12岁的诵读困难症读者以及年龄匹配的正常阅读对照组。使用双间隔、二择一的强迫选择范式，估计听觉间隙和视觉双闪光检测的心理物理阈值。在听觉和视觉测试中发现了显著的组间差异。此外，时间处理测量与单词和假词阅读技能显著相关。由于70%的诵读困难症读者在听觉和视觉时间处理方面的阈值显著高于对照组，证据倾向于支持患有诵读困难症的儿童存在普遍时间处理缺陷这一假设。
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