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Vision Res. 1990;30(4):637-46.

Angular velocity, not temporal frequency determines circular vection.

Author information

1
TNO Institute for Perception, Soesterberg, The Netherlands.

Abstract

This paper shows that the experienced speed of circular vection depends on stimulus speed, not on stimulus temporal frequency. But why would anyone think the contrary? The point is that many modelers in the field of motion perception believe that perceived speed is determined by temporal frequency. Moreover, the optokinetic behaviour of the fly is said to be dependent on the temporal frequency, not the speed, of the stimulus pattern (Reichardt, 1987). It was the aim of the present experiment to test the notion that the experienced speed of circular vection is proportional to stimulus velocity information, which is carried by the temporal and the spatial characteristics of light.

PMID:
2339516
[Indexed for MEDLINE]

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