Abstract
Despite detailed psychophysical, neurophysiological and electrophysiological investigation, the number and nature of independent and parallel motion processing mechanisms in the visual cortex remains controversial. Here we use computational modelling to evaluate evidence from two psychophysical studies collectively thought to demonstrate the existence of three separate and independent motion processing channels. We show that the pattern of psychophysical results can largely be accounted for by a single mechanism. The results demonstrate that a low-level luminance based approach can potentially provide a wider account of human motion processing than generally thought possible.
Published Version
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