A cross-cultural study showing deficits in gaze-language coordination during rapid automatized naming among individuals with ASD.
A cross-cultural study showing deficits in gaze-language coordination during rapid automatized naming among individuals with ASD.
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DOI：
10.1038/s41598-021-91911-y
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发表时间：
2021-06-28
影响因子：
4.6
通讯作者：
Losh M
中科院分区：
文献类型：
--
作者：
Nayar K;Kang X;Xing J;Gordon PC;Wong PCM;Losh M
自闭症谱系障碍（ASD）及其一级亲属表现出自动性缺陷，反映在快速自动化命名（RAN）过程中眼声协调减少，这表明RAN缺陷可能是ASD语言相关障碍的遗传意义标志。本研究调查了ASD的RAN缺陷是否延伸到与英语不同的语言类型。参与者包括来自香港（HK）的23名讲广东话的ASD患者和39名对照组，以及来自美国的先前研究的讲英语的ASD患者（n = 45）和对照组（n = 44）的年龄和智商相当的组。参与者在眼动仪上完成RAN。分析研究命名时间，错误率，眼动反映语言自动性的措施，包括眼语音广度（EVS;眼睛的位置与命名项目）和再固定。HK-ASD组比HK-对照组显示出更长的命名时间和更多的再固定，其模式与US-ASD组中观察到的模式相似。文化效应显示，两个香港组比美国组表现出更长的EVS和更多的注视。注视时间和再注视差异可能是跨越文化/语言的ASD特异性损伤，而EVS和注视频率可能受到更大的影响。一个潜在的视觉“粘性”的潜在机制可能有助于这种故障在ASD的语言自动性。
Individuals with autism spectrum disorder (ASD) and their first-degree relatives demonstrate automaticity deficits reflected in reduced eye-voice coordination during rapid automatized naming (RAN), suggesting that RAN deficits may be a genetically meaningful marker of ASD language-related impairments. This study investigated whether RAN deficits in ASD extend to a language typologically distinct from English. Participants included 23 Cantonese-speaking individuals with ASD and 39 controls from Hong Kong (HK), and age- and IQ-comparable groups of previously-studied English-speaking individuals with ASD (n = 45) and controls (n = 44) from the US. Participants completed RAN on an eye tracker. Analyses examined naming time, error rate, measures of eye movement reflecting language automaticity, including eye-voice span (EVS; location of eyes versus the named item) and refixations. The HK-ASD group exhibited longer naming times and more refixations than HK-Controls, in a pattern similar to that observed in the US-ASD group. Cultural effects revealed that both HK groups showed longer EVS and more fixations than US groups. Naming time and refixation differences may be ASD-specific impairments spanning cultures/languages, whereas EVS and fixation frequency may be more variably impacted. A potential underlying mechanism of visual “stickiness” may be contributing to this breakdown in language automaticity in ASD.
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