Cite as:
Finlay D, Caelli T, 1979, "Frequency, phase, and colour coding in apparent motion: 2" Perception 8(5) 595 – 602
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Frequency, phase, and colour coding in apparent motion: 2

David Finlay, Terry Caelli

Received 9 January 1979, in revised form 20 April 1979

Abstract. In an earlier paper, Caelli and Finlay demonstrated that the perception of apparent motion was contingent on critical phase relationships between inducing sources, and their spatio-temporal frequency ranges. In their original stimulus red-green centre-surround sources were used and phase-specific inhibition was found at 60°-90° phase angle differences between the complementarily coloured elements. In this experiment we show that, when centre-surround sources are replaced by vertically-horizontally displaced complementary (or identically coloured) sources, symmetrical phase inhibition effects occur with both motions.

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