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| Adults | 1 |
| Adventitious Impairments | 1 |
| Blindness | 1 |
| Children | 1 |
| Congenital Impairments | 1 |
| Maps | 1 |
| Mobility Aids | 1 |
| Raised Line Drawings | 1 |
| Tactile Adaptation | 1 |
| Tactual Perception | 1 |
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Peer reviewedEaston, Randolph D.; Bentzen, Billie Louise – Journal of Visual Impairment and Blindness, 1980
Two experiments compared single v double lines on tactile mobility maps using 12 blindfolded sighted Ss, 12 congenitally blind Ss, and 12 adventitiously blinded Ss (age range for all three groups, 7 to 72). (Author)
Descriptors: Adults, Adventitious Impairments, Blindness, Children
