Jul 08, 2021 · The Ventral tegmental area plays an important function in releasing the dopamine chemicals in our brain through the reward circuit. Any motivating behavior, pleasurable activity, chemical and non-chemical addiction and any behavior that contains a reward are known as dopamine-related functions.
Thus, the ventral tegmental area is reciprocally connected with a wide range of structures throughout the brain suggesting that it has a role in the control of function in the phylogenetically newer and highly developed neocortex, as well as that of the phylogenetically older limbic areas.
The ventral tegmental area, or VTA, is in the midbrain, situated adjacent to the substantia nigra. Although it contains several different types of neurons, it is primarily characterized by its dopaminergic neurons, which project from the VTA throughout the brain.
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The ventral tegmental area The primary role of the ventral tegmental area (VTA) is the assessment of need. The VTA processes information to ensure satisfaction; it then forwards this information to the nucleus accumbens (NA) using the neurotransmitter dopamine. If there is an increase in dopamine in the VTA there is a concurrent increase in the NA.
- Anatomy of The Ventral Tegmental Area
- Functions of This Structure
- The Brain Reward System
- Associated Disorders
The concept "ventral tegmental area" refers to a set of neurons that are located at the base of the midbrain, the intermediate region of the brain stem. In Latin the word "tegmentum" means "covering" or "covering"; therefore, the name highlights the fact that this area constitutes a layer of neurons that covers the midbrain. Four main cell nuclei h...
Dopaminergic neurons of the ventral tegmental area are part of the mesocortical and mesolimbic systems. While the mesocortical system connects this region with the frontal lobes, the mesolimbic system sends projections to the nucleus accumbens, a fundamental structure of the brain's reward system, as does the ventral tegmental area. The mesocortica...
The ventral tegmental area is a key structure of the brain's reward system, the biological basis of pleasure and behavioral motivation, sinceappetitive stimuli activate this region. In this way, the reward circuit is involved in multiple behaviors, such as those related to food, sex or addictions. When the body detects pleasant stimulation, the ven...
Scientific research has identified several disorders that present with alterations in the dopaminergic pathways of which the ventral tegmental area is a part. In general, these types of disorders involve both the mesolimbic and mesocortical pathways, which are closely linked. The neuropsychological disorders most frequently attributed to structural...
The ventral tegmental area, or VTA, is one of the two largest dopaminergic regions of the brain (the other being the substantia nigra). Dopamine neurons leav...