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What is Nucleus accumbens?, Explain Nucleus accumbens, Define Nucleus accumbens

#Nucleusaccumbens #audioversity ~~~ Nucleus accumbens ~~~ Title: What is Nucleus accumbens?, Explain Nucleus accumbens, Define Nucleus accumbens Created on: 2019-02-10 Source Link: https://en.wikipedia.org/wiki/Nucleus... ------ Description: The nucleus accumbens , also known as the accumbens nucleus, or formerly as the nucleus accumbens septi is a region in the basal forebrain rostral to the preoptic area of the hypothalamus. The nucleus accumbens and the olfactory tubercle collectively form the ventral striatum. The ventral striatum and dorsal striatum collectively form the striatum, which is the main component of the basal ganglia. The dopaminergic neurons of the mesolimbic pathway project onto the GABAergic medium spiny neurons of the nucleus accumbens and olfactory tubercle. Each cerebral hemisphere has its own nucleus accumbens, which can be divided into two structures: the nucleus accumbens core and the nucleus accumbens shell. These substructures have different morphology and functions. Different NAcc subregions and neuron subpopulations within each region are responsible for different cognitive functions. As a whole, the nucleus accumbens has a significant role in the cognitive processing of motivation, aversion, reward , and reinforcement learning ; hence, it has a significant role in addiction. In addition, part of the nucleus accumbens core is centrally involved in the induction of slow-wave sleep. The nucleus accumbens plays a lesser role in processing fear , impulsivity, and the placebo effect. It is involved in the encoding of new motor programs as well. ------ To see your favorite topic here, fill out this request form: https://docs.google.com/forms/d/e/1FA... ------ Source: Wikipedia.org articles, adapted under https://creativecommons.org/licenses/... license. Support: Donations can be made from https://wikimediafoundation.org/wiki/... to support Wikimedia Foundation and knowledge sharing.