视觉经验在触觉识别二维线条图中的作用
其他题名The role of prior visual experience inhaptic recognition of two-dimension raised-line pictures
Wenyuan Yu1,2; Jiangtao Gong3; Ye Liu1,2; Xiaolan Fu1,2; Yingqing Xu3
2017-07
会议名称2017年第二届曲阜视觉科学会议
会议日期2017.7.2
会议地点曲阜
其他摘要

PURPOSE: How we recognize a three-dimension real object by touching two-dimension tangible images of the object is still an open question. It is unclear whether visual experience plays a role in haptic recognition of two-dimension images based on visual depth information. Previous research showed that sighted people did not perform better than blind people, which indicated that visual experience was not helpful in haptic recognition(Heller, 2002). However, the results might be a ceiling effect caused by the easy task in which subjects were asked to selected a target from three object pictures. The present study addressed the role of prior visual experience in haptic recognition of raised-line pictures of real objects by a naming task.
METHODS: In the present study, 10 blindfold sighted and 10 blind participants were asked to name 242 raised-lined object pictures by touching them, or to categorize the pictures that they failed to name within 30 seconds for each picture. The raised-lined pictures were printed by a Braille printer based on normalized line-drawing pictures of three-dimension real objects.
RESULTS:The results showed that the naming accuracy of blind subjects was significant higher than that of sighted subjects. Moreover, superior performance of blind subjects was only found in the pictures with high recognition rate. Besides, categorization accuracy of blind subjects was also significant higher than that of sighted subjects, regardless of the recognition difficulty. The results suggested that the ability of haptic recognition of blind people was better than sighted people. In addition, sighted people’s visual experience of objects do not improve, even impair the haptic recognition of tangible raised-line pictures, and the tactile mechanism of two-dimension object picture recognition may be different from visual modality, which should be taken account when designing haptic products for blind people.
CONCLUSIONS: Prior visual experience do not facilitate, but impair the haptic recognition of  two-dimension raised-line pictures.

关键词visual experience haptic recognition cross-modality the blind
语种英语
文献类型会议论文
条目标识符http://ir.psych.ac.cn/handle/311026/22107
专题心理所主办学术会议_2017年第二届曲阜视觉科学会议_会议摘要
作者单位1.State Key Laboratory of Brain and Cognitive Science, Institute of Psychology, Chinese Academy of Sciences
2.Department of Psychology, University of Chinese Academy of Sciences
3.Academy of Arts and Design, Tsinghua University
推荐引用方式
GB/T 7714
Wenyuan Yu,Jiangtao Gong,Ye Liu,等. 视觉经验在触觉识别二维线条图中的作用[C],2017.
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