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BACKGROUND The dorsal raphe nucleus (DRN) influences a wide range of behavioral and reward function. In this study, we evaluated electrical stimulation and inactivation of DRN on morphine conditioned(More)
BACKGROUND The nucleus accumbens (NAc) is a part of the rewarding cortico-mesolimbic dopamine (DA) pathway. This is a heterogeneous structure divided in two sub regions termed core and shell. DA(More)
BACKGROUND Some investigators indicated the effect of electrical or chemical stimulation on different parts of the brain and its effect on animal's behaviors. Furthermore, drug addiction is known to(More)