This contains information on psychological and ethological research studies of the invention of signs as a survival technique. Also included is a discussion on the significance of absent speech for autistic, psychotic and neglected children, and comparative studies of animals and humans.
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Book Description Mcgraw-Hill, 1992. Paperback. Book Condition: New. English language ed. Bookseller Inventory # DADAX0070150443
Book Description Mcgraw-Hill, 1992. Paperback. Book Condition: New. book. Bookseller Inventory # 0070150443
Book Description Book Condition: Brand New. Book Condition: Brand New. Bookseller Inventory # 97800701504471.0