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Simultaneous motion perception along multiple attributes: A new class of stimuli

Describes a new class of visual stimuli created to study stroboscopic motion perception along multiple attributes. The stimuli are composed of discrete elements, each of which can be characterized by an arbitrary number of attributes (e.g., color, luminance, spatial frequency, binocular disparity). There are 2 choices for the spatiotemporal arrangement of each attribute: to elicit either unambiguous (unidirectional) motion perception or ambiguous (bidirectional) motion perception. This class of stimuli opens up the possibility of isolating specific motion mechanisms in the visual system. (PsycINFO Database Record (c) 2005 APA, all rights reserved)



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