1. Andreassi, J. L. (2007). Psychophysiology: Human behavior & physiological response (5th ed.). Mahwah, NJ: Erlbaum.
2. Gluck, M. A., Mercado, E., & Myers, C. E. (2008). Learning and memory: From brain to behavior. New York: Worth.
3. Lynn, R. (1966). Attention, arousal, and the orientation response. London: Pergamon.
4. Schnur, D. B., Smith, S., Marte, V., Horwitz, E., Sackheim, H. A., Mukherjee, S., et al. (1999). The orienting response in schizophrenia and mania. Psychiatry Research, 88, 41–54.
5. Sokolov, E. N. (1960). Neuronal models in the orienting reflex. In M. A. Brazier (Ed.), The central nervous system and behavior (pp. 187–276). Josiah Macy Foundation: New York.