Stimulus over-selectivity is said to have occurred when only a limited subset of the total number of stimuli present during discrimination learning controls behavior, thus, restricting learning about the range, breadth, or all features of a stimulus. The current study investigated over-selectivity of 100 typically developing children, aged 3-7…

The "body inversion effect" refers to superior recognition of upright than inverted images of the human body and indicates typical configural processing. Previous research by Reed et al. using static images of the human body shows that people with autism fail to demonstrate this effect. Using a novel task in which adults, adolescents…

Reports the results of a study of 7- to 11-year-old boys (n=100) designed to explore the use of visual and auditory information in learning to spell. Results showed that only with 10- and 11-year-olds did visual information produce better results than auditory presentation alone. (JDH)