Heart rate (HR)	heart rate
RR	RR-intervals
LF	the power of the spectrum at low frequencies
HF	power of the spectrum in the high-frequency region
LF/HF	ratio of spectrum powers in the region of low and high frequencies (vegetative balance index)
TP	the power of the HRV spectrum
SI	stress index
FR	functional reserve
SN	voltage degree (Amo/2Mo×mxDMn)
AM0	the amplitude of the mode
MxDMn	variation range
pNN50	the number in the percentage of pairs of the last normal intervals (without extrasystoles), differing by more than 50 MC
HF_per	the percentage of the spectrum in the high-frequency region
IAPS	International Affective Picture System (international system of affective pictures)
IADS	International Affective Digitized Sound system
SAM	Self-Assessment Manikin (model for self-assessment of emotions)
LEM	Monitoring the level of emotional maladjustment
IR/II	informational representations/images