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cognition

Judged: two independent readers; copy check clear.

heart rate reactivity

heart rate reactivity Heart rate reactivity is the within-person change in heart rate that occurs while someone is doing a task, such as cognitive testing.

Heart rate reactivity is the within-person change in heart rate that occurs while someone is doing a task, such as cognitive testing. In this context, it is used as an indicator of how strongly a person physiologically responds or engages during tasks of different difficulty.