Enhancement of Evoked Cortical Potentials in Humans Related to a Task Requiring a Decision

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Science  10 Jul 1964:
Vol. 145, Issue 3628, pp. 182-183
DOI: 10.1126/science.145.3628.182


The averaged, slow response evoked by auditory stimuli and recorded from the vertex of the human skull can usually be enhanced by requiring the listener to make a rather difficult auditory discrimination. An easy routine reaction is not effective.