August 2010
Volume 10, Issue 7
Vision Sciences Society Annual Meeting Abstract  |   August 2010
Attentional capture by masked colour stimuli
Author Affiliations
  • Ulrich Ansorge
    University of Vienna, Austria Universtiy of Osnabrück, Germany
Journal of Vision August 2010, Vol.10, 115. doi:
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      Ulrich Ansorge; Attentional capture by masked colour stimuli. Journal of Vision 2010;10(7):115.

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

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Computational theories of stimulus-driven capture of attention calculate a colour contrast's potential to attract attention as an objective local colour difference within the image. Is that allowed? We tested whether subjective or phenomenal salience of colour contrasts could be a crucial prerequisite for stimulus-driven attentional capture by colour contrasts: Colour singletons were metacontrast masked and, thus, invisible. Under these conditions, colour singletons failed to capture attention in a stimulus-driven way. This was reflected in behavioural responses as well as in attention-related event-related potentials (ERPs). In addition, diverse control conditions corroborated the attention-grabbing power of colour singletons, ruling out that the method was insenstive to the detection of attentional capture by masked colour singletons.

Ansorge, U. (2010). Attentional capture by masked colour stimuli [Abstract]. Journal of Vision, 10(7):115, 115a,, doi:10.1167/10.7.115. [CrossRef]
 German Research Council.

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