Musical Rhythms Affect Heart Rate Variability: Algorithm and Models

Table 2

Rhythmic features, model factors, and HRV data collection of four drum loops (L1~L4).

	Definition	L1		L2		L3		L4
Tp	Tempo	89.60		105.30		139.50		176.50
Cp	Perceptual complexity	2.73		2.27		1.14		3.86
Eg	Energy,	1.99		1.02		3.83		1.56
Valence (C1)	−1/Tp	−4.18		−2.23		0.50		2.26
Valence (C2)	Tp/Eg	−2.33		4.48		−3.34		5.64
Arousal (C1)	Eg/Cp	−0.02		−0.05		0.27		−0.05
Arousal (C2)		−0.15		−0.10		−0.42		−0.23
SDNN (C1)	Standard deviation of all RR intervals of C1	−5.01	±6.95	−0.81	±10.57	−0.10	±11.63	2.27	±12.06
SDNN (C2)	Standard deviation of all RR intervals of C2	−2.66	±7.31	5.17	±9.66	−3.14	±15.52	5.08	±10.29
LF/HF (C1)	Ratio of low frequency and high frequency of C1	−0.04	±1.67	−0.02	±0.81	0.28	±0.89	−0.06	±0.66
LF/HF (C2)	Ratio of low frequency and high frequency of C2	−0.10	±0.76	−0.10	±0.68	−0.41	±0.59	−0.29	±1.05