Schwienbacher I, Fendt M, Richardson R, Schnitzler HU (2004). «Temporary
inactivation of the nucleus accumbens disrupts acquisition and expression of fear-potentiated startle in rats». Brain Res.1027 (1-2): 87-93. PMID15494160. doi:10.1016/j.brainres.2004.08.037.
Schwienbacher I, Fendt M, Richardson R, Schnitzler HU (2004). «Temporary
inactivation of the nucleus accumbens disrupts acquisition and expression of fear-potentiated startle in rats». Brain Res.1027 (1-2): 87-93. PMID15494160. doi:10.1016/j.brainres.2004.08.037.
Olds J, Milner P (1954). «Positive reinforcement produced by electrical stimulation of septal area and other regions of rat brain». J Comp Physiol Psychol47 (6): 419-27. PMID13233369.articleArchivado el 5 de febrero de 2012 en Wayback Machine.
Olds J, Milner P (1954). «Positive reinforcement produced by electrical stimulation of septal area and other regions of rat brain». J Comp Physiol Psychol47 (6): 419-27. PMID13233369.articleArchivado el 5 de febrero de 2012 en Wayback Machine.
Olds J, Milner P (1954). «Positive reinforcement produced by electrical stimulation of septal area and other regions of rat brain». J Comp Physiol Psychol47 (6): 419-27. PMID13233369.articleArchivado el 5 de febrero de 2012 en Wayback Machine.