Reports

Electrical Signs of Selective Attention in the Human Brain

Science  12 Oct 1973:
Vol. 182, Issue 4108, pp. 177-180
DOI: 10.1126/science.182.4108.177

Abstract

Auditory evoked potentials were recorded from the vertex of subjects who listened selectively to a series of tone pips in one ear and ignored concurrent tone pips in the other ear. The negative component of the evoked potential peaking at 80 to 110 milliseconds was substantially larger for the attended tones. This negative component indexed a stimulus set mode of selective attention toward the tone pips in one ear. A late positive component peaking at 250 to 400 milliseconds reflected the response set established to recognize infrequent, higher pitched tone pips in the attended series.

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