The aim of this study was to analysis and compares the contribution of quadratic phase coupling of human heart rate variability during two forms of meditation: Chinese Chi (or Qigong) meditation and Kundalini Yoga meditation.

• Language: English
• Target / Subjects: Eight Chi meditators, 5 women and 3 men (age range 26?35, mean 29 years); Four Kundalini Yoga meditators, 2 women and 2 men (age range 20?52, mean 33 years)
• Author: Ateke Goshvarpour, Atefeh Goshvarpour
• Date Published / Reference: Cogn Neurodyn (2013) 7:39?46; Received: 25 March 2012 / Revised: 13 July 2012 / Accepted: 23 July 2012 / Published online: 7 August 2012
• Covered Diseases: Bispectrum Estimation, Heart Rate Variability