Motion-Based Mechanisms of Illusory Contour Synthesis

by: Barton L Anderson, Hilary C Barth

Neuron, Vol. 24, No. 2. (October 1999), pp. 433-441.

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apparent, contour, electrophysiology, illusory, motion, occlusion, terminator

Abstract

Neurophysiological studies and computational models of illusory contour formation have focused on contour orientation as the underlying determinant of illusory contour shape in both static and moving displays. Here, we report a class of motion-induced illusory contours that demonstrate the existence of novel mechanisms of illusory contour synthesis. In a series of experiments, we show that the velocity of contour terminations and the direction of motion of a partially occluded figure regulate the perceived shape and apparent movement of illusory contours formed from moving image sequences. These results demonstrate the existence of neural mechanisms that reconstruct occlusion relationships from both real and inferred image velocities, in contrast to the static geometric mechanisms that have been the focus of studies to date.

@article{Anderson1999Motion, abstract = {Neurophysiological studies and computational models of illusory contour formation have focused on contour orientation as the underlying determinant of illusory contour shape in both static and moving displays. Here, we report a class of motion-induced illusory contours that demonstrate the existence of novel mechanisms of illusory contour synthesis. In a series of experiments, we show that the velocity of contour terminations and the direction of motion of a partially occluded figure regulate the perceived shape and apparent movement of illusory contours formed from moving image sequences. These results demonstrate the existence of neural mechanisms that reconstruct occlusion relationships from both real and inferred image velocities, in contrast to the static geometric mechanisms that have been the focus of studies to date.}, author = {Anderson, Barton L. and Barth, Hilary C. }, citeulike-article-id = {2862499}, doi = {http://dx.doi.org/10.1016/S0896-6273(00)80856-9}, journal = {Neuron}, keywords = {apparent, contour, electrophysiology, illusory, motion, occlusion, terminator}, month = {October}, number = {2}, pages = {433--441}, posted-at = {2008-06-04 21:00:48}, priority = {5}, title = {Motion-Based Mechanisms of Illusory Contour Synthesis}, url = {http://dx.doi.org/10.1016/S0896-6273(00)80856-9}, volume = {24}, year = {1999} }

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TY - JOUR ID - Anderson1999Motion L3 - citeulike-article-id:2862499 TI - Motion-Based Mechanisms of Illusory Contour Synthesis JF - Neuron VL - 24 IS - 2 SP - 433 EP - 441 N2 - Neurophysiological studies and computational models of illusory contour formation have focused on contour orientation as the underlying determinant of illusory contour shape in both static and moving displays. Here, we report a class of motion-induced illusory contours that demonstrate the existence of novel mechanisms of illusory contour synthesis. In a series of experiments, we show that the velocity of contour terminations and the direction of motion of a partially occluded figure regulate the perceived shape and apparent movement of illusory contours formed from moving image sequences. These results demonstrate the existence of neural mechanisms that reconstruct occlusion relationships from both real and inferred image velocities, in contrast to the static geometric mechanisms that have been the focus of studies to date. KW - apparent KW - contour KW - electrophysiology KW - illusory KW - motion KW - occlusion KW - terminator AU - Anderson, Barton AU - Barth, Hilary PY - 1999/10// UR - http://dx.doi.org/10.1016/S0896-6273(00)80856-9 ER -

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