Closed contours are often better perceived than those not fully enclosing an area, ie, open
contours. This facilitation of contour integration by closure, however, has been questioned …

Extended contours are a common feature of natural images. Most previous studies have
considered contour integration as a two-dimensional process of linking like-oriented …

Research suggests that detection of low-frequency radial frequency (RF) patterns involves
global shape processing and that points of maximum curvature (corners) contribute more …

Thresholds for line contrast detection (experiment 2) were measured with a two-alternative
temporal forced-choice procedure as a function of the spatial position of a vertical target line …

The association of borders with “figure” rather than “background” provides a topological
organizing principle for early vision. Such global influences have recently been shown to …

Davis and Driver presented evidence suggesting that Kanizsa-type subjective contours
could be detected in a visual search task in a time that is independent of the number of …

The human visual system groups local elements into global objects seemingly without effort.
Using a contour integration task and EEG source level analyses, we tested the hypothesis …

Illusory contours (ICs) are thought to be a result of processes involved in the perceptual
recovery of occluded surfaces. Here, we investigate the relationship between real and …

People can perceive 3D information from contour drawings and some types of
configurations of contours in such drawings are important for 3D perception. We know that …

Processing of global contours requires integration of local visual information. To study the
involvement of different cortical areas and the temporal characteristics of their activity in such …