Comparison blindness

Kenneth C. Scott-Brown, Mark R. Baker, Harry S. Orbach

Research output: Contribution to journalArticle

Abstract

Change blindness has been linked to comparisons over time when visual input is disturbed by a transient. This is most directly seen in “flicker” paradigms where change is invisible when introduced during a blank period between successive presentations of stimuli, and is implicit in paradigms where a stimulus is changed during a saccade. Difficulties in comparing two simultaneously present stimuli have been considered to be due to transaccadic memory limitations in tasks requiring saccades. We present here experiments that demonstrate the phenomenology of change blindness, but in tasks where two stimuli are present in the central visual field within a single fixation and where there are no transients present. These experiments are based on contrast discriminations of patterns composed of a few simple elements. We have found comparisons over space within a single fixation to be as difficult as comparisons over time. As in the more usual paradigms for change blindness, cueing makes changes easy to detect. These results suggest that a memory bottleneck is not essential to produce change blindness.
Original languageEnglish
Pages (from-to)253-267
Number of pages15
JournalVisual Cognition
Volume7
Issue number1-3
DOIs
StatePublished - 2000

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Change blindness
Blindness
Fixation
Experiment
Saccades
Discrimination
Phenomenology
Paradigm change
Invisible
Visual field
Visual Fields
Discrimination (Psychology)

Cite this

Scott-Brown, K. C., Baker, M. R., & Orbach, H. S. (2000). Comparison blindness. Visual Cognition, 7(1-3), 253-267. DOI: 10.1080/135062800394793

Scott-Brown, Kenneth C.; Baker, Mark R.; Orbach, Harry S. / Comparison blindness.

In: Visual Cognition, Vol. 7, No. 1-3, 2000, p. 253-267.

Research output: Contribution to journalArticle

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Scott-Brown, KC, Baker, MR & Orbach, HS 2000, 'Comparison blindness' Visual Cognition, vol 7, no. 1-3, pp. 253-267. DOI: 10.1080/135062800394793

Comparison blindness. / Scott-Brown, Kenneth C.; Baker, Mark R.; Orbach, Harry S.

In: Visual Cognition, Vol. 7, No. 1-3, 2000, p. 253-267.

Research output: Contribution to journalArticle

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Scott-Brown KC, Baker MR, Orbach HS. Comparison blindness. Visual Cognition. 2000;7(1-3):253-267. Available from, DOI: 10.1080/135062800394793