Paralimbic cortex
Paralimbic cortex | |
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Epifluorescence. | |
Details | |
Identifiers | |
Latin | Cortex paralimbicus |
Anatomical terms of neuroanatomy] |
The paralimbic cortex is an area of three-layered
The paralimbic cortex lies close to, and is directly connected with, the structures of the
There are dense connections between the paralimbic cortex and core limbic structures, in particular the amygdala. The amygdaloid complex comprises both nuclear and cortical layers. These cortical features of the amygdala often extend into the paralimbic areas, blurring the boundaries between limbic and paralimbic regions.[5] Thus, these regions may collectively be termed the ‘paralimbic system’.
It is
Functions
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The paralimbic cortex serves as a transitional region between the neocortex and the allocortex incorporating a region of proisocortex, as a subdivision of the neocortex, and a region of periallocortex, as a subdivision of the allocortex.[9]
It constitutes a group of interconnecting brain structures that are involved in the functions of emotion processing, goal setting, motivation and self-control.
- The paralimbic cortex integrates external sensory information with internal emotional and motivational states, serving as an interface between higher-order cognition and basic emotional/behavioral processes.[10]
- The olfactocentric paralimbic cortex critically regulates emotional and autonomic functions, overseeing the regulation of emotional and neurovegetative functions.
- Specific paralimbic regions like Brodmann area 10 are activated during more complex working memory and cognitive tasks, indicating their involvement in episodic and working memory tasks, as well as abstract cognitive function.[11]
- The perirhinal cortex, a paralimbic region, integrates item information with spatial/temporal data and transmits this to the hippocampus, contributing significantly to declarative memory processing and item identification.[12]
- The orbitofrontal cortex, a paralimbic area, plays a key role in the evaluation of rewards and punishment, as well as in self-regulation and behavioral inhibition.
See also
References
- ^ a b Kolb & Whishaw: Fundamentals of Human Neuropsychology, 2003.
- ^ Mesulam, 2000 In: M.M. Mesulam, Editor, Principles of Behavioral and Cognitive Neurology (2nd ed.), Oxford University Press, New York (2000)
- ^ mediLexicon: Definition: 'Juxtallocortex'. http://www.medilexicon.com/medicaldictionary.php?t=46602
- ^ Mesulam, 2000 In: M.M. Mesulam, Editor, Principles of Behavioral and Cognitive Neurology (2nd ed.), Oxford University Press, New York (2000)
- ^ Mesulam, 2000 In: M.M. Mesulam, Editor, Principles of Behavioral and Cognitive Neurology (2nd ed.), Oxford University Press, New York (2000)
- ^ G. Avanzini, Anne Beaumanoir, Laura Mira, eds. Limbic Seizures in Children. John Libbey Eurotext, 2001, p. 13
- ^ Almut Schuez, Robert Miller. Cortical Areas: Unity and Diversity. CRC Press, 13 Jul 2003, pp. 236-237.
- ^ Reep R. Relationship between prefrontal and limbic cortex: a comparative anatomical review. Brain Behav Evol. 1984;25(1):5-80.
- ^ "BrainInfo". Retrieved 17 June 2014.
- ^ Clinical Neuroscience.
- ^ "Limbic/Paralimbic System - Connectome Guide". www.o8t.com. Retrieved 2024-04-17.
- ^ "Limbic/Paralimbic System - Connectome Guide". www.o8t.com. Retrieved 2024-04-17.