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Review
. 2005 Feb;9(2):41-3.
doi: 10.1016/j.tics.2004.12.007.

A general mechanism for decision-making in the human brain?

Alan E Rorie  1 , William T Newsome
Affiliations
Review

A general mechanism for decision-making in the human brain?

Alan E Rorie et al. Trends Cogn Sci. 2005 Feb.

Abstract

A new fMRI study by Heekeren and colleagues suggests that left dorsolateral prefrontal cortex (DLPFC) contains a region that integrates sensory evidence supporting perceptual decisions. DLPFC meets two criteria posited by Heekeren et al. for such a region: (1) its activity is correlated in time with the output of sensory areas of the visual cortex measured simultaneously, and (2) as expected of an integrator, its activity is greater on trials for which the sensory evidence is substantial than on trials for which the sensory evidence is weak. Complementary experiments in humans and monkeys now offer a realistic hope of elucidating decision-making networks in the primate brain.

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