Marois Rene
Last active: 4/10/2017

An attentional blink for sequentially presented targets: evidence in favor of resource depletion accounts.

Dux PE, Asplund CL, Marois R
Psychon Bull Rev. 2008 15 (4): 809-13

PMID: 18792508 · PMCID: PMC3644218 · DOI:10.3758/pbr.15.4.809

Several accounts of the attentional blink (AB) have postulated that this dual-target deficit occurs because of limited-capacity attentional resources being devoted to processing the first target at the expense of the second (resource depletion accounts; e.g., Chun & Potter, 1995). Recent accounts have challenged this model (e.g., Di Lollo, Kawahara, Ghorashi, & Enns, 2005; Olivers, van der Stigchel, & Hulleman, 2007), proposing instead that the AB occurs because of subjects' inability to maintain appropriate levels of attentional controlwhen targets are separated by distractors. Accordingly, the AB is eliminated when three targets from the same attentional set are presented sequentially in a rapid serial visual presentation (RSVP) stream. However, under such conditions poorer identification of the first target is typically observed, hinting at a potential trade-off between the first and subsequent target performances. Consistent with this hypothesis, the present study shows that an AB is observed for successive targets from the same attentional set in an RSVP stream when the first target powerfully captures attention. These results suggest that resource depletion contributes significantly to the AB.

MeSH Terms (12)

Adolescent Attentional Blink Color Perception Discrimination Learning Female Humans Male Pattern Recognition, Visual Reaction Time Serial Learning Set, Psychology Young Adult

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