Neural Networks Associated with the Speed-Accuracy Tradeoff: Evidence from the Response Signal Method

Blumen, Helena M.; Gazes, Yunglin; Habeck, Christian G.; Kumar, Arjun; Steffener, Jason; Rakitin, Brian C.; Stern, Yaakov

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.


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Behavioural Brain Research

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February 23, 2018