Perception of first- and second-order mo
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Lucia M. Vaina; Alan Cowey; David Kennedy
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Article
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1999
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John Wiley and Sons
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English
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An unresolved issue in visual motion perception is how distinct are the processes underlying "first-order" and "second-order" motion. The former is defined by spatiotemporal variations of luminance and the latter by spatiotemporal variations in other image attributes, such as contrast or depth. Here