Uniform connectedness and classical Gestalt principles of perceptual grouping.

  title={Uniform connectedness and classical Gestalt principles of perceptual grouping.},
  author={Su-ping Han and Glyn W. Humphreys and Li-Fen Chen},
  journal={Perception & psychophysics},
  volume={61 4},
We assessed whether uniform connectedness (UC; Palmer & Rock, 1994) operates prior to effects reflecting classical principles of grouping: proximity and similarity. In Experiments 1 and 2, reaction times to discriminate global letters (H vs. E), made up of small circles, were recorded. The small circles were respectively grouped by proximity, similarity of shapes, and by UC. The discrimination of stimuli grouped by similarity was slower than those grouped by proximity, and it was speeded up by… CONTINUE READING


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