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Feldman, Heidi; And Others – Topics in Early Childhood Special Education, 1989
Language abilities in two twin pairs, in which one twin suffered perinatal left hemisphere brain injury, were studied from the age of 23-30 months to 41-46 months. Twins performed similarly on tests of mental development, picture vocabulary, and receptive language, but brain-injured twins' scores were lower than controls' on expressive language.…
Descriptors: Cognitive Development, Comparative Analysis, Congenital Impairments, Language Acquisition