M D Orlansky

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A longitudinal study of sign language acquisition was conducted with 13 very young children (median age 10 months at outset of study) of deaf parents. The children's sign language lexicons were examined for their percentages of iconic signs at two early stages of vocabulary development. Iconic signs are those that clearly resemble the action, object, or(More)
The sign language and motor development of 11 young children of deaf parents were studied across a 16-month period. The subjects showed accelerated early language development producing, on the average, their first recognizable sign at 8.5 months, their tenth sign at 13.2 months, and their first sign combination at 17.0 months. In contrast, children learning(More)
The handedness patterns of 226 deaf high-school and college students were compared to those of 210 college students with normal hearing. Both groups evidenced many more right-handed than left-handed members, as determined by responses to a hand preference questionnaire and performance on an activity test battery. There was, however, a significantly higher(More)
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