Effect of experimenter‐delivered and self‐administered cocaine on extracellular β‐endorphin levels in the nucleus accumbens

I Roth‐Deri, A Zangen, M Aleli… - Journal of …, 2003 - Wiley Online Library
nucleus accumbens and arcuate nucleus. We demonstrate an increase in β-endorphin release
in the nucleus accumbens following experimenter-… arcuate nucleusnucleus accumbens

… but regionally specific effects of experimenter‐versus self‐administered morphine on dendritic spines in the nucleus accumbens, hippocampus, and neocortex of …

TE Robinson, G Gorny, VR Savage, B Kolb - Synapse, 2002 - Wiley Online Library
… similar effects on the density of dendritic spines as experimenter-… the effects of self-administered
morphine and experimenter-… effects on the density of dendritic spines, but its effects vary …

Motivational views of reinforcement: implications for understanding the behavioral functions of nucleus accumbens dopamine

JD Salamone, M Correa - Behavioural brain research, 2002 - Elsevier
… of Effect was oriented from the perspective of the one doing the controlling, ie the experimenter.
… According to the Empirical Law of Effect, the experimenter presents the reinforcer after a …

The role of nucleus accumbens dopamine in motivated behavior: a unifying interpretation with special reference to reward-seeking

S Ikemoto, J Panksepp - Brain Research Reviews, 1999 - Elsevier
… dopamine release in the nucleus accumbens and positive reinforcement” (p. … effects as well
as other effects in negative contexts that seem apparently incompatible with the former effects

Opiate infusion into nucleus accumbens: contrasting effects on motor activity and responding for conditioned reward

ST Cunningham, AE Kelley - Brain research, 1992 - Elsevier
… receptor subtypes in the nucleus accumbens in spontaneous motor … were microinjected into
the nucleus accumbens. In the … μl) had no effect on any aspect of motor activity. In contrast to …

Effects of cytotoxic nucleus accumbens lesions on instrumental conditioning in rats

R De Borchgrave, JNP Rawlins, A Dickinson… - Experimental brain …, 2002 - Springer
nucleus accumbens in instrumental conditioning. They support the widely held theory that
the nucleus accumbens mediates the excitatory effects … that the nucleus accumbens is part of …

Differential behavioral effects following microinjection of an NMDA antagonist into nucleus accumbens subregions

CS Maldonado-Irizarry, AE Kelley - Psychopharmacology, 1994 - Springer
… of two distinct regions within the nucleus accumbens (N.Acc) … and medial regions of the
accumbens. The central and medial … subregions of the nucleus accumbens can be differentiated. …

A neurochemical and behavioral investigation of the involvement of nucleus accumbens dopamine in instrumental avoidance

LD McCullough, JD Sokolowski, JD Salamone - Neuroscience, 1993 - Elsevier
… Two experiments were conducted to investigate the role of nucleus accumbens dopamine
… In the first experiment, dialysis probes were implanted into the nucleus accumbens of rats …

Effects of raclopride in the nucleus accumbens on ethanol seeking and consumption

CL Czachowski, AM Chappell… - Alcoholism: Clinical …, 2001 - Wiley Online Library
Background: Nucleus accumbens dopamine has been shown to play a role in the processing
of behaviorally relevant stimuli and to mediate ethanol‐reinforced responding. Previous …

Contrasting effects of dopamine and glutamate receptor antagonist injection in the nucleus accumbens suggest a neural mechanism underlying cue‐evoked goal …

IA Yun, SM Nicola, HL Fields - European Journal of …, 2004 - Wiley Online Library
… by the experimenter. Such behaviors are ideal for the analysis of the neural circuits that
mediate behavior selection. Many studies point to a role for the nucleus accumbens (NAc) in …