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Bonvillian, John D. – Perceptual and Motor Skills, 1983
This study examined 40 deaf and 20 hearing adolescent students' free recall of visually presented words varied systematically with respect of signability (i.e., words that could be expressed by a single sign) and visual imagery. Results underline the importance of sign language in the memory and recall of deaf persons. (Author/PN)
Descriptors: Adolescents, American Sign Language, Deafness, Finger Spelling

Seal, Brenda C.; Bonvillian, John D. – Journal of Autism and Developmental Disorders, 1997
Sign language production of 14 low-functioning students (ages 9 to 20) with autistic disorder were examined. The location aspect of signs was produced more accurately by subjects than either the handshape or movement aspects. Wide individual differences were observed. Sign vocabulary size and accuracy was correlated with performance on two…
Descriptors: Adolescents, Autism, Children, Expressive Language