Investigating Heart Rate Variability: Problems and Pitfalls
In this Chapter we will discuss the sometimes tedious path that leads from the electrocardiogram to useful heart rate variability (HRV) information. Investigators in the psychophysiological field are usually not very familiar with the rather mathematical area the road is running through; therefore, this Chapter has a somewhat pretentious objective, i.e. to serve as a guide along this interesting road. It should be of some help in finding the path in areas where it might be covered with dust (or noise as it is termed in that area), it might prevent the traveller from taking an inferior route or even a wrong turn; on the other hand, it will occasionally indicate an interesting by-pass. Finally, we hope it will be of some help in repairing small overlooked damages that might have occurred on the way. Also, this Chapter may facilitate defining the actual goal of the trip.
KeywordsHeart Rate Variability Event Series Pulse Frequency Modulation Instantaneous Heart Rate Heart Rate Variability Signal
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