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目的:研究汉语听写障碍儿童在形音跨通道捆绑过程中的视觉和听觉跨通道优势。方法:以听写障碍儿童21名,正常发展儿童21名为被试。采用变化检测范式,以几何图形为视觉刺激材料,以单音节男声为听觉刺激材料,通过考察两组儿童在探测形音跨通道不一致、视觉单通道不一致、听觉单通道不一致三种条件下的正确率,探索听写障碍儿童与正常发展儿童在形音捆绑过程中的跨通道整合优势以及视觉或听觉单通道的优势效应。结果:听写障碍儿童在视听跨通道加工条件下显著地低于正常发展儿童,在视觉单通道条件下两者差异不显著,在听觉单通道条件下两者差异达到边缘显著。结论:听写障碍儿童的形音捆绑缺陷来自于跨通道本身的缺陷。正常听写儿童可能具有听觉单通道加工优势。听写障碍儿童在形音捆绑加工中有和正常听写儿童相同的视觉通道优势,但有可能在听觉通道中不占优势。
OBJECTIVE: To study the visual and auditory cross-channel advantages of Chinese children with dysthymia during the cross-channel binding of accent. Methods: Twenty-one children with dystonia and twenty-one children with normal development were selected as subjects. Using the change detection paradigm, taking the geometrical figure as the visual stimulating material and the monosial male voice as the auditory stimulating material, the correctness of the two groups of children under the three conditions of detecting inconsistency of acoustical cross-corridor, inconsistent visual single corridor and inconsistent single auditory corridor Rate to explore the cross-channel integration advantages of children with dyslexic children and normal children in the tonal bondage and the predominance effect of visual or auditory single channel. Results: Dyslexic children were significantly lower than those of normal children under audio-visual cross-channel processing. There was no significant difference between the two groups in visual single-channel condition. CONCLUSIONS: Tone-binding defects in dildo children result from defects in the cross-channel itself. Normal dictation children may have the advantage of hearing mono-channel processing. Children with dystonia have the same visual access advantages as normal dictation children in tonal bond processing, but may not predominate in the auditory pathway.