Review
doi: 10.1016/S0959-4388(99)80069-5.
Central neural mechanisms for detecting second-order motion
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- PMID: 10448168
- DOI: 10.1016/S0959-4388(99)80069-5
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Review
Central neural mechanisms for detecting second-order motion
Curr Opin Neurobiol.
1999 Aug.
Abstract
Single-unit neurophysiology and human psychophysics have begun to reveal distinct neural mechanisms for processing visual stimuli defined by differences in contrast or texture (second-order motion) rather than by luminance (first-order motion). This processing begins in early visual cortical areas, with subsequent extrastriate specialization, and may provide a basis for form-cue invariant analyses of image structure, such as figure-ground segregation and detection of illusory contours.
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