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The mesocortical pathway is a dopaminergic pathway that connects the ventral tegmentum to the prefrontal cortex. It is one of the four major dopamine pathways in the brain . It is essential to the normal cognitive function of the dorsolateral prefrontal cortex (part of the frontal lobe), and is thought to be involved in cognitive control ...
Each pathway is a set of projection neurons, consisting of individual dopaminergic neurons. The four major dopaminergic pathways are the mesolimbic pathway, the mesocortical pathway, the nigrostriatal pathway, and the tuberoinfundibular pathway. The mesolimbic pathway and the mesocortical pathway form the mesocorticolimbic system.
Mesocortical pathway; Mesolimbic pathway; Nigrostriatal pathway; Tuberoinfundibular pathway; Serotonergic pathways. Raphe Nuclei; Norepinephrine Pathways Locus coeruleus and other noradrenergic cell groups; Epinephrine pathways from adrenergic cell groups; Glutamate and acetylcholine pathways from mesopontine nuclei
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The mesolimbic pathway and its positioning in relation to the other dopaminergic pathways. The mesolimbic pathway is a collection of dopaminergic (i.e., dopamine-releasing) neurons that project from the ventral tegmental area (VTA) to the ventral striatum, which includes the nucleus accumbens (NAcc) and olfactory tubercle. [9]
Neurobiologists have often had great difficulty distinguishing the VTA in humans and other primate brains from the substantia nigra (SN) and surrounding nuclei. Originally, the ventral tegmental area was designated as a ‘nucleus’, but over time ‘area’ became the more appropriate term used because of the heterogeneous cytoarchitectonic features of the region and the lack of clear ...
Mesocortex is essentially the same as paralimbic cortex, as all those mesocortical transitional areas are found exclusively in paralimbic region, and vice versa - all the paralimbic region consists of cortex that is transitional by its nature (in its embryonic and phylogenetic origins) and by its histological structure and cytoarchitectonics ...
It contains both ascending and descending fibers. The mesolimbic pathway, which is a collection of dopaminergic neurons that projects from the ventral tegmental area to the nucleus accumbens, is a component pathway of the MFB. [2] The MFB is one of the two major pathways connecting the limbic forebrain, midbrain, and hindbrain.