The Event-Related Brain Potential as a Selective Index of Display Load
DOI: 10.1177/1071181379023001139
archive: indexed pipeline: cataloged
Abstract
As an index of task workload, the possible advantages of the event-related brain potential (ERP) over traditional secondary task techniques and psychophysiological measures are described and previous efforts to validate the use of ERPs in this context are discussed. A series of six experiments is then reported in which the effects of tracking difficulty and display-monitoring load manipulations on secondary-task reaction time and ERP measures are compared. The results are interpreted within the framework of a “multiple reservoir” conception of processing resources and task workload.
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