Everything about Ventromedial Prefrontal Cortex totally explained
The
ventromedial prefrontal cortex is a part of the
prefrontal cortex in the
human brain. Its function hasn't been fully determined, but experiments suggest that it may have a role in the processing of
risk and
fear.
Note that different researchers use the term 'Ventromedial prefrontal cortex' differently. Sometimes, the term is saved for the area above the medial
orbitofrontal cortex, while others, 'ventromedial prefrontal cortex' is used to describe a broad area in the lower (ventral) central (medial) region of the prefrontal cortex, of which the medial
orbitofrontal cortex constitutes the lower-most part.
As of yet, functional differences between the orbitofrontal and ventromedial areas of the pre-frontal cortex are not clearly established, although the areas of the ventromedial cortex superior to the
orbitofrontal cortex are much less associated with social functions and more with pure emotion regulation.
One particularly notable theory of VMPFC function is the
somatic marker hypothesis, accredited to
António Damásio. By this hypothesis, the VMPFC has a central role in adapting somatic markers - emotional associations, or associations between mental objects and visceral (bodily) feedback - for use in natural decision making. This account also gives the VMPFC a role in moderating emotions and emotional reactions.
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