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Fig. 2 | BMC Psychiatry

Fig. 2

From: Heart rate variability and heart rate asymmetry in adolescents with major depressive disorder during nocturnal sleep period

Fig. 2

Two typical Poincaré plots of RR intervals attained from healthy (left panel) and clinically depressed (right panel) participants with the scatter density plots in the plane (RR(i), RR(i + 1)) (A and B, respectively) and the corresponding distributions of ΔRR = RR(i + 1)– RR(i) (C and D, respectively)

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BMC Psychiatry

ISSN: 1471-244X

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