Fig. 4
Chemoreflex-induced sympatoexcitation is reduced by chemogenetic inhibition of NTS astrocytes in CIH rats. (A) Representative power spectral density (PSD) spectrum of heart rate variability analysis and quantitative summary data showing cardiac autonomic function through (B) low frequency (LF), (C) high frequency (HF) and (D) LF/HF ratio spectral components in Normoxia (FiO2 21%). Data presented as mean ± standard error of the mean (SEM). *, p < 0.05; One-Way ANOVA for repeated measurements followed by Holm-Sidak pos hoc test. N = 4