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Carroll, John J.; Gibson, Eleanor J. – Journal of Child Language, 1986
Research is reported which investigated the ability of four-month-old hearing infants to discriminate between gestures derived from American Sign Language. Findings show that infants possess the perceptual abilities to differentiate between signs that differ solely in terms of contrasts along a single underlying movement direction. (SED)
Descriptors: American Sign Language, Child Language, Infant Behavior, Language Acquisition

Richmond-Welty, E. Daylene; Siple, Patricia – Journal of Child Language, 1999
Gaze during utterance was examined in a set of bilingual-bimodal twins acquiring spoken English and American Sign Language (ASL) and a set of monolingual twins acquiring ASL. The bilingual-bimodal twins differentiated their languages by age 3. Like the monolingual twins, the bilingual-bimodal twins established mutual gaze at the beginning of their…
Descriptors: American Sign Language, Bilingualism, Child Language, Comparative Analysis