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ISSN : 1226-9654

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Vol.21 No.1

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The Influence of Uniform Connectedness and Figure Composition on the Perception of Similarity

The Korean Journal of Cognitive and Biological Psychology / The Korean Journal of Cognitive and Biological Psychology, (P)1226-9654; (E)2733-466X
2009, v.21 no.1, pp.43-56
https://doi.org/10.22172/cogbio.2009.21.1.003


& (2009). The Influence of Uniform Connectedness and Figure Composition on the Perception of Similarity. The Korean Journal of Cognitive and Biological Psychology, 21(1), 43-56, https://doi.org/10.22172/cogbio.2009.21.1.003

Abstract

Two experiments were performed to investigate whether uniform connectedness or figure composition could have an influence on the perception of similarity between figures. Each experiment employed 4 stimulus set conditions, where two sets had connectedness between parts and the other two did not, and one of the two sets had filled region inside and the other did not, respectively. In Experiment 1, each set was composed of 4 compound parenthesis patterns, where left or right upper parenthesis was combined with left or right lower parenthesis. Filled parentheses looked like crescent moon. After participants rated similarity on every combination of two parentheses in a stimulus set condition, they proceeded to the next condition. In the result, perceived similarity was highest with the uniformly connected line patterns among the 4 stimulus sets. It seemed that uniform connectedness had an effect on the perception of similarity among linear parenthesis patterns. Experiment 2 employed circle patterns, having inside either filled or not, and having parts either connected or not, likewise. However, the analysis of similarity ratings revealed no significant differences among the 4 sets of experiment 2. The apparent null effect of uniform connectedness could be attributed to the well-organized form of the circle itself, whether it was a line drawing or of a filled region. Palmer and Rock (1994) argued that uniform connectedness is a principle of organization from the early stage of perception. Considering previous studies, it was suggested that uniform connectedness could have an effect on the construction and sustainment of percepts at the later stages.

keywords
균일연결성, 도형, 유사성 측량계, 조직화, uniform connectedness, similarity metric, organization, figure, uniform connectedness, similarity metric, organization, figure

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