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Ventral Tegmental Area (VTA) is the area that synthesizes dopamine, which then sends to nucleus accumbens. Nucelus accumbens is the pleasure center, and it is stimulated by the neurotransmitter dopamine from VTA. VTA also sends dopamine to prefrontal cortex which regulates and controls these impulses. The locus coeruleus is the area packed with norepinephrine; and when stimulated by a lack of the addictive substance, will drives the person to do anything necessary to obtain a fix.


Ventral tegmental area - Wikipedia, the free encyclopedia Here's HOW we fall in love, get addicted, etc.

Illustration of the structures that compose the limbic system in the brain, including the amygdala, hippocampus, hypothalamus, nucleus accumbens, basal ganglia, and ventral tegmental area and substantia nigra.


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Gut Brain Connection. Approx 90% of the human body's total serotonin is located in the gut, where it is used to regulate intestinal movements. The remainder is synthesized in serotonergic neurons of the CNS, where it has various functions. These include the regulation of mood, appetite, and sleep. Serotonin also has some cognitive functions, including memory and learning. Modulation of serotonin at synapses is thought to be a major action of several classes of pharmacological…


The ventral tegmental area (VTA), a group of neurons at the very centre of the brain, plays an especially important role in this circuit. The VTA receives information from several other regions that tell it how well various fundamental needs, and more specifically human needs, are being satisfied.


WELL CONNECTED  Neurons (green) in the lateral hypothalamus connect with those in the ventral tegmental area of mice’s brains to contribute to compulsive sugar consumption.  ~~ Courtesy of Edward Nieh/MIT


Major dopamine pathways. As part of the reward pathway, dopamine is manufactured in nerve cell bodies located within the ventral tegmental area (VTA) and is released in the nucleus accumbens and the prefrontal cortex. The motor functions of dopamine are linked to a separate pathway, with cell bodies in the substantia nigra that manufacture and release dopamine into the dorsal striatum.