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首页> 外文期刊>Cortex: A Journal Devoted to the Study of the Nervous System and Behavior >No evidence for a prolonged attentional blink in developmental dyslexia.
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No evidence for a prolonged attentional blink in developmental dyslexia.

机译:没有证据表明发育性阅读障碍患者的注意力转移时间延长。

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摘要

When two targets are presented within 500 msec of each other in rapid serial visual presentation (RSVP), the accuracy of second target identification is significantly reduced; a phenomenon termed the attentional blink. Recent studies have reported that children and adults with dyslexia exhibit deficits tied to the attentional blink; however, some ambiguity remains as to the nature of these impairments and how they relate to reading difficulties. The current study aimed to address these issues by examining attentional blink deficits in relation to orthographic, phonological, and fluency aspects of reading impairment. Twenty-two children with dyslexia were compared to 22 children with normally developing reading skills on an attentional blink task with results indicating the dyslexia group exhibited impaired performance regardless of the temporal lag between targets. These deficits appeared tied to general RSVP performance rather than a prolonged attentional blink and differences between groups fell below significance when the influence of general performance factors were controlled for.
机译:当快速串行视觉呈现(RSVP)中的两个目标彼此之间的距离不超过500毫秒时,第二个目标识别的准确性将大大降低;一种称为注意力眨眼的现象。最近的研究报道,患有阅读障碍的儿童和成人表现出与注意眨眼有关的缺陷。然而,对于这些障碍的性质以及它们与阅读困难的关系,仍然存在一些含糊之处。当前的研究旨在通过检查与阅读障碍的字法,语音和流利度方面有关的注意眨眼缺陷来解决这些问题。比较了22名阅读障碍儿童与22名在注意眨眼任务中具有正常阅读能力的儿童,结果表明,无论目标之间的时间滞后如何,阅读障碍组的表现均受到损害。这些缺陷似乎与一般的RSVP表现有关,而不是长时间的注意力眨眼,并且在控制了一般表现因素的影响后,两组之间的差异降至显着水平以下。

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