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The Limits of AttentionTemporal Constraints in Human Information Processing$
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Kimron Shapiro

Print publication date: 2001

Print ISBN-13: 9780198505150

Published to Oxford Scholarship Online: March 2012

DOI: 10.1093/acprof:oso/9780198505150.001.0001

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Perceptual and central interference in dual-task performance

Perceptual and central interference in dual-task performance

(p.100) 6 Perceptual and central interference in dual-task performance
The Limits of Attention

Eric Ruthruff

Harold E. Pashler

Oxford University Press

Humans often experience difficulty when asked to perform multiple tasks at the same time. Two of the better-known forms of dual-task interference are the attentional blink (AB) effect and the Psychological Refractory Period (PRP) effect. These phenomena have traditionally been studied independently, using divergent methodologies and different dependent measures. This chapter aims to explore the possibility that these dual-task phenomena might reflect the same underlying processing limitation — a central bottleneck. It also discusses how AB and PRP effects are related to other phenomena such as repetition blindness and movements of spatial attention across visual space.

Keywords:   dual-task interference, attentional blink effect, Psychological Refractory Period, central bottleneck, spatial attention, visual space

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