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    Does oculomotor inhibition of return influence fixation probability during scene search?

    Smith, Tim J. and Henderson, J.M. (2011) Does oculomotor inhibition of return influence fixation probability during scene search? Attention, Perception, & Psychophysics 73 (8), pp. 2384-2398. ISSN 1943-3921.

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    Abstract

    Oculomotor inhibition of return (IOR) is believed to facilitate scene scanning by decreasing the probability that gaze will return to a previously fixated location. This “foraging” hypothesis was tested during scene search and in response to sudden-onset probes at the immediately previous (one-back) fixation location. The latencies of saccades landing within 1º of the previous fixation location were elevated, consistent with oculomotor IOR. However, there was no decrease in the likelihood that the previous location would be fixated relative to distance-matched controls or an a priori baseline. Saccades exhibit an overall forward bias, but this is due to a general bias to move in the same direction and for the same distance as the last saccade (saccadic momentum) rather than to a spatially specific tendency to avoid previously fixated locations. We find no evidence that oculomotor IOR has a significant impact on return probability during scene search.

    Metadata

    Item Type: Article
    Additional Information: The final publication is available at Springer via http://dx.doi.org/10.3758/s13414-011-0191-x
    Keyword(s) / Subject(s): Eye movement, Real-world scenes, Visual search, Inhibition of return, Fixation duration, Saccadic momentum
    School: Birkbeck Schools and Departments > School of Science > Psychological Sciences
    Research Centre: Moving Image, Birkbeck Institute for the (BIMI), Brain and Cognitive Development, Centre for (CBCD)
    Depositing User: Administrator
    Date Deposited: 10 May 2013 08:15
    Last Modified: 14 Dec 2016 09:43
    URI: http://eprints.bbk.ac.uk/id/eprint/6669

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