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首页> 外文期刊>Frontiers in Psychology >Peripheral Visual Reaction Time Is Faster in Deaf Adults and British Sign Language Interpreters than in Hearing Adults
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Peripheral Visual Reaction Time Is Faster in Deaf Adults and British Sign Language Interpreters than in Hearing Adults

机译：聋人和英国手语译员的周边视觉反应时间比听觉成年人快

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Following auditory deprivation, the remaining sense of vision has shown selective enhancement in visual cognition, especially in the area of near peripheral vision. Visual acuity is poor in the far periphery and may be an area where sound confers the greatest advantage in hearing persons. Experience with a visuospatial language such as British Sign Language (BSL) makes additional demands on the visual system. To test the different and separable effects of deafness and use of a visuo-spatial language on far peripheral visual processing, we investigated visual reaction times (RTs) and response accuracy to visual stimuli, between 30° and 85° along the four cardinal and four inter-cardinal meridians. We used three luminances of static, briefly illuminated stimuli in visually normal adults. The cohort tested included profoundly congenitally deaf adults (N = 17), hearing fluent BSL users (N = 8) and hearing non-signing adults (N = 18). All participants were tested using a peripheral forced choice paradigm designed previously to test deaf and hearing children (Codina et al., 2011a). Deaf adults demonstrated significantly faster RTs to all far peripheral stimuli and exceeded the abilities of both signing and non-signing hearing adults. Deaf adults were significantly faster than BSL interpreters, who in turn were significantly faster than hearing non-signing adults. The differences in RT demonstrated between groups were consistent across all visual field meridians and were not localized to any one region of the visual field. There were no differences found between any groups in accuracy of detecting these static stimuli at any retinal location. Early onset auditory deprivation appears to lead to a response time visual advantage in far peripheral responses to briefly presented, static LED stimuli, especially in the right visual field. Fluency in BSL facilitates faster visuo-motor responses in the peripheral visual field, but to a lesser extent than congenital, profound deafness.
机译：听觉剥夺后，剩余的视觉感觉在视觉认知方面表现出选择性增强，特别是在近端视觉领域。远处视力较差，可能是声音在听觉者中具有最大优势的区域。使用视觉空间语言（例如英国手语（BSL））的经验对视觉系统提出了更多要求。为了测试耳聋的不同和可分离的影响以及使用视觉空间语言对远距离视觉处理的影响，我们调查了四个主要和四个主要方向在30°至85°之间的视觉反应时间（RT）和对视觉刺激的响应精度跨子午线。我们在视觉正常的成年人中使用了三种亮度的静​​态，短暂照明的刺激。测试的队列包括严重先天性聋的成年人（N = 17），流利的BSL使用者（N = 8）和听力不佳的成年人（N = 18）。所有参与者均使用以前设计用于测试聋人和听力儿童的外围强迫选择范例进行了测试（Codina等人，2011a）。聋人成年人对所有远端外周刺激的逆转录反应显着加快，并且超过了有听力障碍的成年人和有听力障碍的成年人的能力。聋人比BSL口译员要快得多，而BSL口译员比不签名的成年人要快得多。两组之间在RT上的差异在所有视野子午线上都是一致的，并且不局限于视野的任何一个区域。在任何视网膜位置检测这些静态刺激的准确性上，任何组之间都没有发现差异。早期发作的听觉剥夺似乎在短暂呈现的静态LED刺激的远缘反应中，特别是在正确的视野中，在响应时间视觉上占优势。 BSL的流利性有助于在周围视野中更快的视觉运动反应，但程度不如先天性严重耳聋。

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