1. Rajmohan V, Mohandas E. The limbic system. Indian J. Psych. 2007;49:132-139.
2. LeDoux JE. The neurobiology of emotion. In: LeDoux JE, Hirst W, editors. Mind and Brain. New York, NY: Cambridge University Press; 1986. pp. 301-354.
3. LeDoux JE, Emotion. In: Mountcastle VB, editor. Handbook of Physiology, Section I, The Nervous System, Vol 5, Part 1. Washington: American Physiology Society; 1987. pp. 419-459.
4. Holstege G. The emotional motor system. Eur. J. Morphol. 1992;30:67-79.
5. Holstege G. The emotional motor system and micturition control. Neurol. Urodyn. 2010; 29:42-48.