This case study reports on the progress of Navon, a 13-year-old boy with prelingual deafness, over a 3-month period following exposure to Logo, a computer programming language that visualizes specific programming commands by means of a virtual drawing tool called the Turtle. Despite an almost complete lack of skills in spoken and sign language,…

The paper reviews theories of Lev Vygotsky, founder of the Soviet school of cognitive developmental psychology and an architect of Soviet defectology, the discipline concerned with physically and mentally handicapped children. Three of his basic concepts are explained: (1) "cultural" versus "natural" mental functions; (2)…

The development of formal operations in normal adolescents is briefly examined, and a discussion of the development of exceptional adolescents focuses on the following exceptionalities: retardation, blindness, deafness, and giftedness. Some directions for future research are considered. (DLS)

Case studies examined impact of early intervention on the rate of acquisition of communicative and linguistic behaviors for a small group of severely and profoundly deaf infants. Found that infants who were diagnosed and used amplification by six months of age acquired vocal and linguistic skills at an age more comparable to hearing peers than did…

The report examines, from a cognitive developmental view, research on the teachable moment or critical learning period in handicapped infants. The author explains that developmental gaps are produced by a mismatch between the infant's readiness and opportunity to learn. Characteristics and educational implications of specific handicapping…

The 23 papers were written by staff and consultants of the Arts in Special Education Project of Pennsylvania, a program to provide assistance to educators in the development of appropriate quality arts programing for handicapped students. After two overview papers, the papers are grouped by category--art, dance, drama, and music. Papers have the…