The aim of the present study was to examine executive dysfunctioning and decreased processing speed as potential mediators of age-related differences in episodic memory. We compared the performances of young and elderly adults in a free-recall task. Participants were also given tests to measure executive functions and perceptual processing speed…

A program of research was conducted to study transitions from preoperational to concrete operational forms of spatial imagery (area 1), to compare results from spatial imagery studies based on open-ended measures (such as drawings) with results based on reaction time measures (area 2), and to study anticipatory imagery in the contexts of memory…

It may be possible, using assessments of motor and perceptual skills which are largely independent of ethnic and educational background, to admit to the military individuals who would be rejected on the basis of their paper-and-pencil test scores, but who through their performance on non-verbal measures, can be identified as highly likely to…