Journal
BEHAVIOURAL BRAIN RESEARCH
Volume 224, Issue 2, Pages 397-402Publisher
ELSEVIER
DOI: 10.1016/j.bbr.2011.06.004
Keywords
Functional neuroimaging; Neural networks; Speed-accuracy tradeoff
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Funding
- NIA [RO1-AG026158, T32AG00261]
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This functional neuroimaging (fMRI) study examined the neural networks (spatial patterns of covarying neural activity) associated with the speed-accuracy tradeoff (SAT) in younger adults. The response signal method was used to systematically increase probe duration (125, 250, 500, 1000 and 2000 ms) in a nonverbal delayed-item recognition task. A covariance-based multivariate approach identified three networks that varied with probe duration indicating that the SAT is driven by three distributed neural networks. (C) 2011 Elsevier B.V. All rights reserved.
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