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Science 8 May 1981:
Vol. 212. no. 4495, pp. 691 - 693
DOI: 10.1126/science.212.4495.691
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Articles

Visual and "Phonetic" Coding of Movement: Evidence from American Sign Language

HOWARD POIZNER 1

1 Salk Institute for Biological Studies, La Jolla, California 92037

Hearing subjects unfamiliar with American Sign Language and deaf native signers made triadic comparisons of movements of the hands and arms isolated from American Sign Language. Clustering and scaling of subjects' judgments revealed different psychological representations of movement form for deaf and hearing observerd. Linguistically relevant dimensions acquired modified salience for users ofa visual-gestural language. The data indicate that the modification of natural perceptual categories after language acquisition is not bound to a particular transmission modality, but rather can be a more general consequence of acquiring a formal linguistic system.

Submitted on July 21, 1980
Revised on November 24, 1980


THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES:
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Science. ISSN 0036-8075 (print), 1095-9203 (online)