The Perception of Similarity, Difference and Opposition

Citation Author(s):
Ivana
Bianchi
University of Macerata
Roberto
Burro
University of Verona
Submitted by:
Roberto Burro
Last updated:
Mon, 07/31/2023 - 10:21
DOI:
10.21227/hx8w-1813
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Abstract 

After considering the pervasiveness of same/different relationships in Psychology and the experimental evidence of their perceptual foundation in Psychophysics and Infant and Comparative Psychology, the paper develops its main argument. Similarity and diversity do not complete the panorama since opposition constitutes a third relationship which is distinct from the other two. There is evidence of this in previous literature investigating the perceptual basis of opposition and in the results of the two new studies presented in this paper. In these studies, the participants were asked to indicate to what extent pairs of simple bi-dimensional figures appeared to be similar, dif-ferent or opposite to each other. A rating task was used in Study 1 and a pair comparison task in Study 2. Three main results consistently emerged. Firstly, opposition is distinct from similarity and difference which, conversely, are in a strictly inverse relationship. Secondly, opposition is specifi-cally linked to something which points in an allocentrically opposite direction. Thirdly, alterations to the shape of an object are usually associated with the perception of diversity rather than opposi-tion. The implications of a shift from a dyadic (same/different) to a triadic (similar/different//oppo-site) paradigm are discussed in the final section.

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