Dissociable factors affect speed perception and discrimination

Cwg Clifford, Dh Arnold, P. Wenderoth

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Factors affecting our judgement of the speed of visual motion were investigated. Two types of judgement were made: perceived speed relative to a standard comparison stimulus, and discrimination between the speeds of similar stimuli. The factors affecting these two judgements were found to be doubly dissociable, suggesting that they may be constrained by processing at different levels of the visual hierarchy. The results are discussed in terms of the 3-D interpretation of visual image motion, and related to possible neural substrates.

Original languageEnglish
Pages (from-to)230-232
Number of pages3
JournalClinical and Experimental Ophthalmology
Volume28
Issue number3
DOIs
Publication statusPublished - 2000

Keywords

  • Complex motion
  • Motion perception
  • Speed discrimination

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