Feb 9, 2000

Critical role of foreground stimuli in perceiving visually induced self-motion (vection)

Perception
S Nakamura, S Shimojo

Abstract

The effects of a foreground stimulus on vection (illusory perception of self-motion induced by a moving background stimulus) were examined in two experiments. The experiments reveal that the presentation of a foreground pattern with a moving background stimulus may affect vection. The foreground stimulus facilitated vection strength when it remained stationary or moved slowly in the opposite direction to that of the background stimulus. On the other hand, there was a strong inhibition of vection when the foreground stimulus moved slowly with, or quickly against, the background. These results suggest that foreground stimuli, as well as background stimuli, play an important role in perceiving self-motion.

Mentioned in this Paper

Form Perception
Distance Perception
Kinesthesis
Illusions, Visual
Metabolic Inhibition
Psychological Tests (Procedure)

About this Paper

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