Inattentional blindness: A combination of a relational set and a feature inhibition set?

Two experiments were conducted to directly test the feature set hypothesis and the relational set hypothesis in an inattentional blindness task. The feature set hypothesis predicts that unexpected objects that match the to-be-attended stimuli will be reported most. The relational set hypothesis pred...

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Bibliographic Details
Published in:Attention, perception & psychophysics perception & psychophysics, 2016-07, Vol.78 (5), p.1245-1254
Main Authors: Goldstein, Rebecca R., Beck, Melissa R.
Format: Article
Language:English
Subjects:
Adult
Attention
Attention - physiology
Attention Control
Behavioral Science and Psychology
Blindness
Cognitive Psychology
Hardware reviews
Humans
Hypotheses
Inhibition (Psychology)
Light
Prior Learning
Psychology
Stimuli
Task analysis
Visual Environment
Visual Perception - physiology
Visual task performance
Young Adult
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Summary:Two experiments were conducted to directly test the feature set hypothesis and the relational set hypothesis in an inattentional blindness task. The feature set hypothesis predicts that unexpected objects that match the to-be-attended stimuli will be reported most. The relational set hypothesis predicts that unexpected objects that match the relationship between the to-be-attended and the to-be-ignored stimuli will be reported the most. Experiment 1 manipulated the luminance of the stimuli. Participants were instructed to monitor the gray letter shapes and to ignore either black or white letter shapes. The unexpected objects that exhibited the luminance relation of the to-be-attended to the to-be-ignored stimuli were reported by participants the most. Experiment 2 manipulated the color of the stimuli. Participants were instructed to monitor the yellower orange or the redder orange letter shapes and to ignore the redder orange or yellower letter shapes. The unexpected objects that exhibited the color relation of the to-be-attended to the to-be-ignored stimuli were reported the most. The results do not support the use of a feature set to accomplish the task and instead support the use of a relational set. In addition, the results point to the concurrent use of multiple attentional sets that are both excitatory and inhibitory.
ISSN:1943-3921
1943-393X
DOI:10.3758/s13414-016-1091-x