In two experiments on whether similarity grouping is based on the retinal or the perceived
slopes of lines, observers judged the grouping of diagonal lines when a display of vertical …

This volume on Visual Psychophysics documents the current status of research aimed
toward understanding the intricacies of the visual mechanism and its laws of operation in …

The main concern of this study is the range of the central (foveal) performance drop in
perceptual segregation tasks reported by Kehrer (Spatial Vision 2, 247-261, 1987). This …

Grouping appears to have been first described in the early years of this century in Germany
by Schumann (Ash, 1995) and developed as a concept by the Gestalt Psychologists. The …

Geoffrey M. Ghose* and John Maunsell*†‡* Division of Neuroscience and† Howard Hughes
Medical Institute Baylor College of Medicine Houston, Texas 77030 of neurons that …

An introduction is given to a theory of global structure analysis in early visual information
processing. The theory relates retinal, visual cortical, retino-collicular, cortico-collicular, and …

The study of visual perception is one of the most fascinating areas of modern brain research.
About one quarter of the human cerebral cortex (a third in the monkey) is predominantly …

The issues concerning the development and plasticity of the central nervous system
discussed in the present issue are close to the heart of my own research interests and to …

The nature of the psychological processes that underlie the Gestalt principles of grouping by
proximity and grouping by similarity is examined. Similarity was defined relative to the …

Originally published in 1981, perceptual organization had been synonymous with Gestalt
psychology, and Gestalt psychology had fallen into disrepute. In the heyday of Behaviorism …