Interactive reaction time stopwatch measuring visual response in milliseconds and calculating estimated cognitive brain age.
Simple Visual Reaction Time (SRT) is a direct clinical biomarker of central nervous system processing efficiency. Peak response time occurs between ages 18 and 24 (around 200–220 ms) and gradually increases with age due to natural axonal changes.
Yes, sleep deprivation and stress can increase reaction time by 50–100 ms, temporarily elevating your calculated brain age.
Regular aerobic exercise, proper hydration, and fast-paced sports like table tennis have been shown to sharpen neural transmission speeds.
Take the scientifically calibrated QuizMind test with an immediate certificate and a detailed psychometric profile of your cognitive abilities.
