Invited Symposium

Spatiotemporal interactions in perception and action: New approaches to the kappa effect

[Speaker] Kuroda, Tsuyoshi:1
1:Shizuoka University (Japan)

The dependency of space and time in the cognitive system has recently attracted attention from neuroscience researchers. However, this issue was already a scientific concern early in the 20th century for researchers in the field of psychophysics. Indeed, a famous illusion, called the kappa effect, was first reported by a Japanese researcher in 1935. This effect occurs when two stimuli (or more) are presented successively. An empty time interval between the two stimuli is perceived as longer when these stimuli are located further away from each other in space. The effect is thus interpreted as indicating a perceptual tendency to overestimate duration when spatial distance is increased. I will introduce several studies that my colleagues and I conducted with this classical spatiotemporal illusion.
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