A Metric for Thought: A Comparison of P300 Latency and Reaction Time
Digital Object Identifier (DOI)
We confirm that the latency of the P300 component of the human event-related potential is determined by processes involved in stimulus evaluation and categorization and is relatively independent of response selection and execution. Stimulus discriminability and stimulus-response compatibility were manipulated independently in an ``additive-factors'' design. Choice reaction time and P300 latency were obtained simultaneously for each trial. Although reaction time was affected by both discriminability and stimulus-response compatibility, P300 latency was affected only by stimulus discriminability.
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Citation / Publisher Attribution
Science, v. 211, issue 4477, p. 77-80
Scholar Commons Citation
McCarthy, Gregory and Donchin, Emanuel, "A Metric for Thought: A Comparison of P300 Latency and Reaction Time" (1981). Psychology Faculty Publications. 242.