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The elapsed time between the presentation of a sensory stimulus (visual/auditory) and the execution of a physical motor response.
Use our verified, free in-browser Reaction Time Tester to run scenarios and export PDF reports.
The average human visual reaction time to a color flash is approximately 200–250 milliseconds. Auditory stimuli are processed faster (~140–160ms) due to fewer synaptic relays in the sensory pathways.
Professional esports athletes frequently achieve visual reaction times below 160–180ms through neuroplastic aim training, high-refresh displays (240Hz+), and low-latency peripherals.