Crowding and Binding: Not All Feature Dimensions Behave in the Same Way

Amit Yashar, Xiuyun Wu, Jiageng Chen, Marisa Carrasco-Queijeiro

Research output: Contribution to journalArticle

Abstract

Humans often fail to identify a target because of nearby flankers. The nature and stages at which this crowding occurs are unclear, and whether crowding operates via a common mechanism across visual dimensions is unknown. Using a dual-estimation report (N = 42), we quantitatively assessed the processing of features alone and in conjunction with another feature both within and between dimensions. Under crowding, observers misreported colors and orientations (i.e., reported a flanker value instead of the target's value) but averaged the target's and flankers' spatial frequencies (SFs). Interestingly, whereas orientation and color errors were independent, orientation and SF errors were interdependent. These qualitative differences of errors across dimensions revealed a tight link between crowding and feature binding, which is contingent on the type of feature dimension. These results and a computational model suggest that crowding and misbinding are due to pooling across a joint coding of orientations and SFs but not of colors.

Original languageEnglish (US)
Pages (from-to)1533-1546
Number of pages14
JournalPsychological science
Volume30
Issue number10
DOIs
StatePublished - Oct 1 2019

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Crowding
Color
Joints

Keywords

  • color
  • crowding
  • estimation
  • feature binding
  • open data
  • open materials
  • orientation
  • spatial frequency
  • spatial integration

ASJC Scopus subject areas

  • Psychology(all)

Cite this

Crowding and Binding : Not All Feature Dimensions Behave in the Same Way. / Yashar, Amit; Wu, Xiuyun; Chen, Jiageng; Carrasco-Queijeiro, Marisa.

In: Psychological science, Vol. 30, No. 10, 01.10.2019, p. 1533-1546.

Research output: Contribution to journalArticle

Yashar, A, Wu, X, Chen, J & Carrasco-Queijeiro, M 2019, 'Crowding and Binding: Not All Feature Dimensions Behave in the Same Way', Psychological science, vol. 30, no. 10, pp. 1533-1546. https://doi.org/10.1177/0956797619870779
Yashar, Amit ; Wu, Xiuyun ; Chen, Jiageng ; Carrasco-Queijeiro, Marisa. / Crowding and Binding : Not All Feature Dimensions Behave in the Same Way. In: Psychological science. 2019 ; Vol. 30, No. 10. pp. 1533-1546.
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