The Emotional Brain by J. LeDoux, Simon & Schuster, New York, 1996.

Yoga and Psychotherapy by S. Rama, R. Ballentine, S. Ajaya, Himalayan International Institute, Honesdale, Pennsylvania, 1981.

Emotional Intelligence by D. Goleman, Bantam, New York, 1995

The Healing Brain by R. Ornstein and D. Sobel, Simon & Schuster, 1997

Descartes' Error by A. Damasio, G.P. Putnam, New York, 1994