1. Sherrington, C. S. (1952) Reflexes as adapted reactions: bodily resonance of emotion, in The Integrative Action of the Nervous System, Lecture VII, Cambridge University Press, London, p. 257.
2. Cannon, W. B. (1929) Bodily Changes in Pain, Hunger, Fear and Rage, Branford, Boston.
3. Cannon, W. B. (1929) Organization for physiological homeostasis. Physiol. Rev. 9, 399–331.
4. Selye, H. (1976) The Stress of Life, McGraw-Hill, New York.
5. McEwen, B. S., De Kloet, E. R., and Rostene, W. (1986) Adrenal steroid receptors and actions in the nervous system. Physiol. Rev. 66, 1121–1188.