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The dorsomedial prefrontal cortex (dmPFC [1] [2] or DMPFC [3] [4] is a section of the prefrontal cortex in some species' brain anatomy. It includes portions of Brodmann areas BA8 , BA9 , BA10 , BA24 and BA32 , [ 5 ] although some authors identify it specifically with BA8 and BA9 .
In neuroscience, the default mode network (DMN), also known as the default network, default state network, or anatomically the medial frontoparietal network (M-FPN), is a large-scale brain network primarily composed of the dorsal medial prefrontal cortex, posterior cingulate cortex, precuneus and angular gyrus.
The medial dorsal nucleus relays inputs from the amygdala and olfactory cortex and projects to the prefrontal cortex and the limbic system, [5] [6] and in turn relays them to the prefrontal association cortex. As a result, it plays a crucial role in attention, planning, organization, abstract thinking, multi-tasking, and active memory ...
The dorsal nexus is an area within the dorsal medial prefrontal cortex that serves as an intersection point for multiple brain networks. Research suggests it plays a role in the maintenance and manipulation of information, as well as supporting the control of cognitive functions such as behavior, memory, and conflict resolution.
Brodmann area 9, or BA9, refers to a cytoarchitecturally defined portion of the frontal cortex in the brain of humans and other primates. Its cytoarchitecture is referred to as granular due to the concentration of granule cells in layer IV. [1] It contributes to the dorsolateral and medial prefrontal cortex.
The development of the prefrontal cortex has been implicated in the ability to regulate behavior and engage in inhibitory control. [53] As a result of synaptic pruning and myelination of the prefrontal cortex, improvements in executive functions have been observed during adolescence. [53]
When the PFC at large is not examined and the focus is narrowed to the orbitofrontal cortex and medial prefrontal cortex, results more consistently observed reductions, although not in bipolar youth. The sgACC volume is observed to be reduced not only in bipolar disorder, but also in unipolar disorder, as well as people with a family history of ...
Stimulation of the medial prefrontal cortex results in reduction of racial biases and increase in rejection of unfair offers. [42] [43] Stimulation of the dorsolateral prefrontal cortex increases trust and cooperation, [44] decreases proactive aggression in males, [45] increases empathy, [46] and increases the acceptance of unfair offers. [47]