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HandWiki. Cognitive Chronometry. Encyclopedia. Available online: https://encyclopedia.pub/entry/35568 (accessed on 04 October 2026).
HandWiki. Cognitive Chronometry. Encyclopedia. Available at: https://encyclopedia.pub/entry/35568. Accessed October 04, 2026.
HandWiki. "Cognitive Chronometry" Encyclopedia, https://encyclopedia.pub/entry/35568 (accessed October 04, 2026).
HandWiki. (2022, November 21). Cognitive Chronometry. In Encyclopedia. https://encyclopedia.pub/entry/35568
HandWiki. "Cognitive Chronometry." Encyclopedia. Web. 21 November, 2022.
Cognitive Chronometry
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Mental chronometry is the study of reaction time (RT; also referred to as "response time") in perceptual-motor tasks to infer the content, duration, and temporal sequencing of mental operations. Mental chronometry is one of the core methodological paradigms of human experimental and cognitive psychology, but is also commonly analyzed in psychophysiology, cognitive neuroscience, and behavioral neuroscience to help elucidate the biological mechanisms underlying perception, attention, and decision-making across species. Mental chronometry uses measurements of elapsed time between sensory stimulus onsets and subsequent behavioral responses. It is considered an index of processing speed and efficiency indicating how fast an individual can execute task-relevant mental operations. Behavioral responses are typically button presses, but eye movements, vocal responses, and other observable behaviors can be used. RT is constrained by the speed of signal transmission in white matter as well as the processing efficiency of neocortical gray matter. Conclusions about information processing drawn from RT are often made with consideration of task experimental design, limitations in measurement technology, and mathematical modeling.

mathematical modeling behavioral neuroscience psychophysiology

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