Reduced multisensory facilitation in persons with autism
Reduced multisensory facilitation in persons with autism
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DOI：
10.1016/j.cortex.2012.06.001
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发表时间：
2013-06-01
期刊：
影响因子：
3.6
通讯作者：
Bertone, Armando
中科院分区：
文献类型：
--
作者：
Collignon, Olivier;Charbonneau, Genevieve;Bertone, Armando
虽然有关自闭症谱系中听觉和视觉感知能力的文献越来越多，但我们对多感觉整合（MSI）的理解相当有限。在本研究中，我们通过测量参与者是否受益于在复杂的视觉搜索任务中与目标颜色变化同步呈现的听觉线索来评估自闭症的MSI。同步听觉pip通常增加搜索效能（pip和pop效应），指示来自两种模态的感觉输入的有益使用。我们发现，在没有听觉信息的情况下，自闭症患者的视觉搜索能力比正常人要好。重要的是，搜索效率增加了听觉pip的存在，只有神经典型的参与者。自闭症患者的上级单峰表现与视听整合的改变同时发生，表明这一人群具有自主感觉处理能力。(C)2012爱思唯尔有限公司保留所有权利。
Although the literature concerning auditory and visual perceptual capabilities in the autism spectrum is growing, our understanding of multisensory integration (MSI) is rather limited. In the present study, we assessed MSI in autism by measuring whether participants benefited from an auditory cue presented in synchrony with the color change of a target during a complex visual search task. The synchronous auditory pip typically increases search efficacy ( pip and pop effect), indicative of the beneficial use of sensory input from both modalities. We found that for conditions without auditory information, autistic participants were better at visual search compared to neurotypical participants. Importantly, search efficiency was increased by the presence of auditory pip for neurotypical participants only. The simultaneous occurrence of superior unimodal performance with altered audio visual integration in autism suggests autonomous sensory processing in this population. (C) 2012 Elsevier Ltd. All rights reserved.