Fruitful visual search: inhibition of return in a virtual foraging task

Psychon Bull Rev. 2006 Oct;13(5):891-5. doi: 10.3758/bf03194015.

Abstract

Inhibition of return (IOR) has long been viewed as a foraging facilitator in visual search. We investigated the contribution of IOR in a task that approximates natural foraging more closely than typical visual search tasks. Participants in a fully immersive virtual reality environment manually searched an array of leaves for a hidden piece of fruit, using a wand to select and examine each leaf location. Search was slower than in typical IOR paradigms, taking seconds instead of a few hundred milliseconds. Participants also made a speeded response when they detected a flashing leaf that either was or was not in a previously searched location. Responses were slower when the flashing leaf was in a previously searched location than when it was in an unvisited location. These results generalize IOR to an approximation of a naturalistic visual search setting and support the hypothesis that IOR can facilitate foraging. The experiment also constitutes the first use of a fully immersive virtual reality display in the study of IOR.

Publication types

  • Research Support, N.I.H., Extramural
  • Research Support, Non-U.S. Gov't
  • Research Support, U.S. Gov't, Non-P.H.S.

MeSH terms

  • Choice Behavior
  • Discrimination Learning*
  • Humans
  • Inhibition, Psychological*
  • Memory, Short-Term
  • Mental Recall*
  • Orientation*
  • Pattern Recognition, Visual*
  • Perceptual Masking
  • Reaction Time
  • Social Environment*
  • User-Computer Interface*