Dissociable factors affect speed perception and discrimination

Cwg Clifford, Dh Arnold, P. Wenderoth

    Research output: Contribution to journalArticlepeer-review

    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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