Questions tagged [heart-rate-variability]
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Interpreting signal from plethysmography sensor
I have a plethysmography sensor by ADI Instruments, connected to a Biosemi ActiveTwo device. My goal is to measure heart rate, in the context of a social psychology lab experiment to investigate ...
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Open source software for analyzing Heart Rate Variability (HRV)
Heart rate variability (HRV), the change in the time intervals between adjacent heartbeats, is an emergent property of interdependent regulatory systems that operate on different time scales to adapt ...
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What is the difference between RR-intervals and NN-intervals in HRV-data?
Heart rate variability (HRV) is often used as a measure of the sympathetic nervous system. One way to quantify HRV is by calculating the Inter-beat interval (IBI), also referred to as the RR-interval. ...
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