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Performance of concurrent tasks: a psychophysiological analysis of the reciprocity of information-processing
Science (New York, N.Y.)
|September 9, 1983
Abstract:
The resources allocated to a primary and secondary task are reciprocal. Subjects performed a tracking task in which the discrete displacements of the tracking cursor could be used to elicit event-related brain potentials. As the resource demands of the tracking task were increased, potentials elicited by the task-defined events increased in amplitude, whereas those elicited by secondary task auditory stimuli decreased.