Concept of Perceptual Constancy and Clarification of Questions
Perceptual constancy as a psychological phenomenon is stripped from the field of perception and ab-stracted as immutability or similarity,which induces confusion for researchers to deal with research questions.In the research of neuroscience,changes and constancy of perception are often erroneously attributed to two asymmetri-cal levels of physics and psychology:the former is reduced to changes in external physical stimulation;the latter is reduced to the activity of specific modules of the brain.Researchers either pursue the continuous optimization of the multi-factor model,or excessively pursue the details of brain activity,but ultimately suffer the difficulty in explai-ning the mechanism of constant occurrence.Perceptual constancy is not perceptual invariance,and contains both perceptual change and invariance.Both constancy and change belong to the level of perception,but not the differ-ent levels of physics and psychology.Transcendental perception is transient and immutable in an instant.The ex-planation of perceptual constancy needs to go beyond the conceptual gap of"physics-psychology"and the dual con-ceptual structure of"constancy-change".
cognitive neuroscienceperceptual constancyphilosophy of sciencepsychology
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