Systematic variations of the block design task were given to 20 autistic, 33 normal and 12
mildly retarded subjects Designs were contrasted which were either “whole” or segmented …

First published in 1983. This is a volume in a series on Child Psychology. This book offers a
set of theoretical ideas which make up a quite general theory of the mental representation of …

Compared the processing of direction for up and down and left and right arrows in visual
displays. 64 undergraduates took part in 5 experiments. Exp I demonstrated that it is more …

Publisher Summary This chapter defines two common classes of perceptual anisotropy.
They are perceptual salience of the main orthogonals, meaning the orientation hierarchy of …

Cognitive internal state words (eg, think and know) may be central to accessing, monitoring,
and transforming our internal states, processes that seem to be critical for high-level text …

Four experiments investigated whether manipulations of type of encoding affects the
likelihood of remembering pictures' visual details and their names. Using an incidental …

Although object orientation in the human brain has been discussed extensively in the
literature, the nature of the underlying cognitive representation (s) remains uncertain. We …

Seven experiments investigated whether orientation-dependent latency functions for the
visual code resemble those observed in studies of mental rotations of visual images. The …

Two experiments investigated visual attention in human infants. In one experiment, babies
looked longer at more than at less saturated colors. In a second experiment, babies looked …

Normal right-handed male subjects were required to read the time on a clockface
tachistoscopically presented in the right and left visual fields. The response had to be made …