Acupuncture Affects Autonomic and Endocrine but Not Behavioural Responses Induced by Startle in Horses

Figure 2

Effect of the acupuncture on the heart rate (HR, (a)), LF/HF ratio (b), and power of the low frequency (LF, (c)) and high frequency (HF, (d)) bands of the pulse interval spectrum of horses subjected to startle test. Data obtained from control horses (CTL; ), horses subjected to 20-minute sessions of acupuncture at acupoints (ACUP; ), and horses subjected to 20-minute sessions of acupuncture at nonpoints (NP; ). ACUP versus CTL at moment of startle.

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