Learning by doing: Action performance facilitates affordance perception

John M. Franchak, Dina J. van der Zalm, Karen E. Adolph

Research output: Contribution to journalArticlepeer-review


We investigated the effect of action performance on perceptual judgments by evaluating accuracy in judging whether doorways allowed passage. Participants made judgments either before or after walking through doorways of varying widths. Participants in the action-first group benefited from action feedback and made more accurate judgments compared to a perception-first group that judged doorways before walking through them. Action feedback aided perceptual judgments by facilitating scaling to body dimensions: Judgments in the action-first group were strongly related to height, weight, and torso size, whereas judgments in the perception-first group were not.

Original languageEnglish (US)
Pages (from-to)2758-2765
Number of pages8
JournalVision research
Issue number24
StatePublished - Dec 2010


  • Action
  • Affordance
  • Body-scaling
  • Perception
  • Perceptual learning

ASJC Scopus subject areas

  • Ophthalmology
  • Sensory Systems


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