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Accelerated development of object permanence in Down's syndrome infants

✍ Scribed by CAROL F. PASNAK; ROBERT PASNAK


Book ID
108679994
Publisher
John Wiley and Sons
Year
1987
Tongue
English
Weight
415 KB
Volume
13
Category
Article
ISSN
0305-1862

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## Abstract The vocalizations of eight infants with Down syndrome were recorded longitudinally in relation to different social and non‐social contexts. The infants were observed biweekly from 8 to 24 weeks and monthly up to 40 weeks. At each visit the infants were presented with their mother, a fem