Environmental enrichment (EE) is known to profoundly affect the central nervous system
(CNS) at the functional, anatomical and molecular level, both during the critical period and …

Issues concerning selective attention provoke new questions about visual segmentation,
and vice-versa. We illustrate this by describing our recent work on grouping under …

How a sensory stimulus is processed and perceived depends on the surrounding sensory
scene. In the visual cortex, contextual signals can be conveyed by an extensive network of …

Practicing certain visual tasks leads, as a result of a process termed “perceptual learning,” to
a significant improvement in performance. Learning is specific for basic stimulus features …

Vision loss after retinal or cerebral visual injury (CVI) was long considered to be irreversible.
However, there is considerable potential for vision restoration and recovery even in …

The integration of local image features into global shapes was investigated in monkeys and
humans using fMRI. An adaptation paradigm was used, in which stimulus selectivity was …

The question of how local image features on the retina are integrated into perceived global
shapes is central to our understanding of human visual perception. Psychophysical …

Psychophysical, neurophysiological and anatomical research of the last few years has
converged on a new explanation of how the components of a contour become integrated …

This review focuses on low and intermediate stages of contour shape processing. It is split
into two main sections,'Contour Detection'and 'Shape Discrimination and Representation' …

Recent studies on the response properties of neurons in primary visual cortex emphasize
the dynamics and the complexities of facilitatory and suppressive interactions between the …