Augmenting Mental Chronometry: The P300 as a Measure of Stimulus Evaluation Time
- 19 August 1977
- journal article
- other
- Published by American Association for the Advancement of Science (AAAS) in Science
- Vol. 197 (4305), 792-795
- https://doi.org/10.1126/science.887923
Abstract
A technique for measuring the latency of the P300 component of event-related brain potentials on individual trials is described. Choice reaction times and the latency of the P300 were compared under speed-maximizing and under accuracy-mazimising instructions. The choice stimuli required different levels of semantic categorization. The data support the proposition that the latency of P300 corresponds to stimulus evaluation time and is independent of response selection.Keywords
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