The question will determine not only the search terms you use to collect studies, but also the inclusion criteria and the moderators.

What is Heart Rate Variability (HRV)? Heart rate variability (HRV) is the change in time from one R peak of a QRS cycle to the next...

Introduction In order to achieve precise and trustworthy data, proper setup and calibration of the NIRScout is key. The setup process...

Before you can begin collecting articles, you must create search terms (that can be put into different databases) in order to retrieve...

ECG analysis One method to obtain heart rate variability (HRV) data is through electrocardiogram (ECG) recordings. ECG recordings are...

Once you have developed a coding framework, you can begin the actual data collection process. By the end of this step you will know more...