Journal
NEUROREPORT
Volume 18, Issue 4, Pages 341-345Publisher
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/WNR.0b013e32801299e2
Keywords
attention; attentional blink; functional magnetic resonance imaging; neuroimaging
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Presenting two targets for identification within a few hundred milliseconds reliably yields reduced performance on the second relative to the first. This attentional blink phenomenon has been extensively studied behaviourally but, until recently, has eluded direct investigation by functional magnetic resonance imaging. The few published imaging studies agree that the attentional blink recruits a fronto-temporo-parietal 'attentional' network. What remains controversial is the specific role played by the 'object processing' ventro-occipital regions of the brain. Two studies used different tasks and stimulus onset asynchronies leaving the cause for this divergence unknown. The present study resolves this discrepancy by examining the different methodologies. Our results suggest that task difficulty and masking must be factored in to any conclusions drawn about the brain activity during the attentional blink paradigm.
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