Growth and decay characteristics of the tilt aftereffect were studied for aftereffects induced by
normal or continuous adaptation routines, and for aftereffects induced by successive or …

In contrast to the abundant literature investigating how orientation coding depends on edges
defined by various image features, relatively little is known about how coding of orientation …

The tilt aftereffect increases as a logarithmic function of adapting time, reaches saturation
after approx 1 hr and decays on a symmetric, logarithmic time-course. This is similar to the …

The shape-frequency and shape-amplitude after-effects, or SFAE and SAAE, refer
respectively to the shifts observed in the perceived shape-frequency and shape-amplitude of …

Radial Frequency (RF) patterns can be used to study the processing of familiar shapes, eg
triangles and squares. Opinion is divided over whether the mechanisms that detect these …

We investigated the first-order inputs to contour-shape mechanisms using the shape-
frequency after-effect (SFAE), in which adaptation to a sinusoidally modulated contour …

Humans can easily discriminate a randomly spaced from a regularly spaced visual pattern.
Here, we demonstrate that observers can adapt to pattern randomness. Following their …

We investigated whether contour-shape processing mechanisms are selective for color
direction using the shape-frequency and shape-amplitude after-effects, or SFAE and SAAE …

Our visual systems constantly adapt their representation of the environment to match the
prevailing input. Adaptation phenomena provide striking examples of perceptual plasticity …

Previous research has shown that the mechanisms that process curved contours are
selective for low-level attributes such as luminance contrast polarity and luminance spatial …