July 2013
Volume 13, Issue 9
Vision Sciences Society Annual Meeting Abstract  |   July 2013
Pre-cues alleviate supercrowding without attracting focal attention
Author Affiliations
  • Joshua Solomon
    Optometry and Visual Science, City University London
Journal of Vision July 2013, Vol.13, 632. doi:https://doi.org/10.1167/13.9.632
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      Joshua Solomon; Pre-cues alleviate supercrowding without attracting focal attention. Journal of Vision 2013;13(9):632. https://doi.org/10.1167/13.9.632.

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      © ARVO (1962-2015); The Authors (2016-present)

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The so-called "exogenous" spatial pre-cues, which precede the appearance of a target by ~100 ms, can facilitate all sorts of visual tasks, including target identification in the presence of flanking stimuli. In other words, pre-cueing diminishes crowding. In order to determine whether a facilitatory pre-cue engages focal attention, its effect can be compared with that of several, simultaneously displayed pre-cues. If the latter facilitate performance (only) with nearby targets just as much as the former, spatially focussed attention is unlikely to be involved. Such is the case with "supercrowding," wherein a post-mask exacerbates the effect of flanking stimuli on target identification. At this time it remains unclear which, if any, facilitatory effects ascribed to pre-cues actually involve focal attention.

Meeting abstract presented at VSS 2013


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