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15 sighted and 15 congenitally blind adults were to classify raised-line pictures of emotional faces through haptics. Whereas accuracy did not vary significantly between the two groups, the blind adults were faster at the task. These results suggest that raised-line pictures of emotional faces are intelligible to blind adults.
Haptic interfaces, Accuracy, Visualization, Time factors, Correlation, Facial features, Humans,perception., Psychology, human information processing
"Haptic Recognition of Emotions in Raised-Line Drawings by Congenitally Blind and Sighted Adults", IEEE Transactions on Haptics, vol. 4, no. , pp. 67-71, January-March 2011, doi:10.1109/TOH.2010.58
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