Proisocortex
Proisocortex
Proisocortex (pronunciation: pro-iso-cor-tex) is a region of the cerebral cortex that serves as a transitional zone between the neocortex and the allocortex.
Etymology
The term "Proisocortex" is derived from the Greek words "pro" meaning "before", "iso" meaning "equal", and "cortex" referring to the outer layer of the brain. Thus, it can be interpreted as the region that precedes the isocortex in the brain's structure.
Function
The proisocortex is involved in various cognitive and sensory functions. It is particularly associated with the processing of sensory information and the regulation of motor functions. The proisocortex is also implicated in higher cognitive functions such as learning and memory.
Anatomy
The proisocortex is located in the paralimbic cortex, adjacent to the limbic system. It is composed of three layers, unlike the six layers of the neocortex, and is thus considered a transitional area. The proisocortex includes areas such as the cingulate cortex, the retrosplenial cortex, and the insular cortex.
Related Terms
- Cerebral Cortex: The outer layer of the brain, involved in many higher cognitive functions.
- Neocortex: The largest part of the cerebral cortex, responsible for higher-order brain functions.
- Allocortex: A part of the cerebral cortex with fewer than six layers, involved in olfactory and limbic functions.
- Paralimbic Cortex: A region of the brain that serves as a transition between the limbic system and the neocortex.
- Cingulate Cortex: A part of the cerebral cortex that plays a role in processing emotions and behavior regulation.
- Retrosplenial Cortex: A region of the mammalian brain involved in spatial learning and navigation.
- Insular Cortex: A part of the cerebral cortex involved in consciousness, homeostasis, perception, motor control, self-awareness, and cognitive functioning.
External links
- Medical encyclopedia article on Proisocortex
- Wikipedia's article - Proisocortex
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