•  C. Escobar Briones y R. Aguilar Roblero (Eds.). "Motivación y Conducta: Sus bases biológicas". El Manual Moderno, México: 2002, pp 420.

•  Próspero, O. "La marihuana del cerebro". Ciencia y Desarrollo 25: 20-31.

•  Olds, J. Pleasure Centers in the Brain. En: W.H. Thompson (Ed.) Physiological Readings from Scientific American. Freeman and Co. San Francisco : 1999. pp. 294-299.

•  Scientific American Molecular Neurology. J. B. Martin (Ed.) Scientific American , New York : 1998, pp. 321.

•  Morgenson G. J. y cols. (1980) "From motivation to action: Functional interfase between the limbic system and the motor system". Progress in Neurobiology 14: 69-97.