SOME IMPORTANT SCENES IN THE HISTORY OF PSYCHOPHYSICS IN JAPAN

  • Tadasu Oyama

Abstract

In Japan, psychophysics began as early as 1888 with the first lecture on it given by Yujiro Motora at the University of Tokyo, following the completion of his Ph. D., at the laboratory of G. S. Hall. In 1910, the Photographic Album of Experimental Psychology was edited by the Department of Psychology of the University of Tokyo that included many photographs of psychophysical experiments. In 1933, Sadaji Takagi conducted the first experiment on animal psychophysics to investigate shape constancy in small birds. In 1949, the first experiment on infant psychophysics was conducted by Jyuji Misumi to study the early development of size constancy. And, in 1959, Tadasu Oyama proposed a new psychophysical technique, named the method of transposition to measure perceived size ratios without using numerical expressions. This method has been successfully applied to the measurement of illusions, figural after-effects, and size constancy. In 1960, Tarow Indow and his collaborators published their first systematic application of multidimensional scaling to color perception.

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