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ERIC Number: EJ952662
Record Type: Journal
Publication Date: 2011-Dec
Pages: 7
Abstractor: As Provided
Reference Count: 19
ISSN: ISSN-0096-1523
Different Attentional Blink Tasks Reflect Distinct Information Processing Limitations: An Individual Differences Approach
Kelly, Ashleigh J.; Dux, Paul E.
Journal of Experimental Psychology: Human Perception and Performance, v37 n6 p1867-1873 Dec 2011
To study the temporal dynamics and capacity-limits of attentional selection and encoding, researchers often employ the attentional blink (AB) phenomenon: subjects' impaired ability to report the second of two targets in a rapid serial visual presentation (RSVP) stream that appear within 200-500 ms of one another. The AB has now been the subject of hundreds of scientific investigations, and a variety of different dual-target RSVP paradigms have been employed to study this failure of consciousness. The three most common are those where targets are defined categorically from distractors; those where target definition is based on featural information; and those where there is a set switch between T1 and T2, with the first target typically being featurally defined and T2 requiring a detection or discrimination judgment (probe task). An almost universally held assumption across all AB theories is that these three tasks measure the same deficit; however here, using an individual differences approach, we demonstrate that AB magnitude is only related across categorical and featural tasks. Thus, these paradigms appear to reflect a distinct cognitive limitation from that observed under set-switch conditions. (Contains 7 figures.)
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Publication Type: Journal Articles; Reports - Research
Education Level: Higher Education
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A
Identifiers - Location: Australia