Perception is not an independent, in-the-moment event. Instead, perceiving involves integrating prior expectations with current observations. How does this ability develop from infancy through adulthood? We examined how prior visual experience shapes visual perception in infants, children, and adults. Using an identical task across age groups, we…

Discrimination learning, memory, and transfer capacity were assessed in 56 institutionalized moderately to severely retarded adults to provide information on trainability. Generally, the higher functioning Ss, defined by IQ and adaptive behavior learned more rapidly than did the lower functioning Ss. (Author/SW)