2018年11月12日（月）
16:00 ~

会場 ： CiNet　1F　大会議室

“錯覚に関する妄想：錯覚概念の批判”

Brian J. Rogers
Professor
Department of Experimental Psychology
University of Oxford, Oxford, UK.

担当 : 大澤 五住

Prof. I Howardとの共著
Perceiving in Depth: Stereoscopic Vision (Oxford Psychology Series) 2012/2/24 Ian P. Howard, Brian J. Rogers https://www.amazon.co.jp/dp/0199764158/

Abstract:
Do illusions exist or are we deluded about the concept? I am going to argue that the concept of illusion is a delusion. Traditionally, we draw a distinction between veridical and illusory perception by saying that in the former case our perceptions correspond with the physical reality whereas in the latter case there is a discrepancy. However, while there might be general agreement on what we perceive in particular circumstances, it is less clear how should we define what is the ‘physical reality’. It cannot be the ‘proximal’ stimulus (i.e. the retinal image) because, if it were, all the perceptual constancies would have to be regarded as illusions. Similarly, the ‘distal stimulus’ cannot be the reality because those situations in which the pattern of light reaching the eye is ‘projectively equivalent’ to another real world scene (such as the Ames Room or viewing a stereogram) would have to be regarded as illusions. A possible way out of the problem of what constitutes the ‘reality’ would be to define an illusion as a discrepancy between the information contained in the spatio-temporal patterning of light reaching the eye and what we perceive. But even this definition has problems.