Journal
ACTA PSYCHOLOGICA
Volume 171, Issue -, Pages 128-137Publisher
ELSEVIER
DOI: 10.1016/j.actpsy.2016.10.002
Keywords
Symmetry cognition; Pattern goodness and complexity; Cyclic and dihedral groups; Group theoretical model
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Funding
- Methusalem [METH/14/02]
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We report on two experiments, published originally in Japanese, on judged goodness and simplicity of dot patterns with reflectional and rotational symmetries (with 1-4 reflection axes and repeats, respectively) under free-viewing tasks. We found that (a) both goodness and simplicity increase monotonously with the number of transformations under which a pattern is invariant; (b) stimulus outlines, such as squares and hexagons, affect both goodness and simplicity; and (c) factors such as contrast polarity and collinearity affect simplicity rather than goodness. The employed free-viewing tasks contrast with detection tasks involving short presentation times, and based on behavioural and neurophysiological evidence, we conclude that this transformational approach captures late rather than early aspects of visio-cognitive processing of visual regularities. (C) 2016 Elsevier B.V. All rights reserved.
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