Some fundamental principles of colour vision, deduced from perceptual studies, have been
understood for a long time. Physiological studies have confirmed the existence of three …

Abstract System identification is a growing approach to sensory neurophysiology that
facilitates the development of quantitative functional models of sensory processing. This …

Response properties of sensory neurons are commonly described using receptive fields.
This description may be formalized in a model that operates with a small set of linear filters …

Neurons in primary visual cortex (V1) are commonly classified as simple or complex based
upon their sensitivity to the sign of stimulus contrast. The responses of both cell types can be …

Our perception of a visual scene changes rapidly in time, even when the scene itself does
not. It is increasingly clear that understanding how the visual percept changes in time is …

Color processing begins with the absorption of light by cone photoreceptors, and progresses
through a series of hierarchical stages: Retinal signals carrying color information are …

Neuronal responses to ongoing stimulation in many systems change over time, or “adapt.”
Despite the ubiquity of adaptation, its effects on the stimulus information carried by neurons …

Color has become a premier model system for understanding how information is processed
by neural circuits, and for investigating the relationships among genes, neural circuits, and …

The appearance of an object or surface depends strongly on the light from other objects and
surfaces in view. This review focuses on color in complex scenes, which have regions of …

The equilibrium phenomenon of matching behavior traditionally has been studied in
stationary environments. Here we attempt to uncover the local mechanism of choice that …