This study aimed to investigate the relationships between abilities to initiate and respond to joint attention and symptoms of autism that have, and have not, been theoretically linked to joint attention. Participants were 51 boys and five girls with autistic disorder, aged between 2 years and 6 years 5 months. Measures of joint attention…

This dissertation examines the thesis that it is the human language system which largely makes possible the human capacity for modifiability of responses called "intelligent" and "adaptive" modes of interaction with the environment. Chapter titles are (1) A Process View of Human Behavior, (2) Aspects of the Multi-Dimensional Nature of Cognitive…