Definitions for ventral tegmental area
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ventral tegmental area(Noun)
The ventral tegmentum
Ventral tegmental area
The ventral tegmentum, better known as the ventral tegmental area, is a group of neurons located close to the midline on the floor of the midbrain. The VTA is the origin of the dopaminergic cell bodies of the mesocorticolimbic dopamine system and is widely implicated in the drug and natural reward circuitry of the brain. It is important in cognition, motivation, drug addiction, intense emotions relating to love, and several psychiatric disorders. The VTA contains neurons that project to numerous areas of the brain, from the prefrontal cortex to the caudal brainstem and several regions in between.
U.S. National Library of Medicine
Ventral Tegmental Area
A region in the mesencephalon which is dorsomedial to the substantia nigra and ventral to the red nucleus. The mesocortical and mesolimbic dopaminergic systems originate here, including an important projection to the nucleus accumbens. Overactivity of the cells in this area has been suspected to contribute to the positive symptoms of schizophrenia.
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"ventral tegmental area." Definitions.net. STANDS4 LLC, 2014. Web. 19 Apr. 2014. <http://www.definitions.net/definition/ventral tegmental area>.