Limbic lobe
Limbic Lobe
The Limbic Lobe (pronunciation: /ˈlɪmbɪk loʊb/) is a complex structure of the brain that supports a variety of functions including emotion, behavior, motivation, long-term memory, and olfaction.
Etymology
The term "limbic" comes from the Latin word limbus, meaning "border" or "edge". This is due to the location of the limbic lobe at the border between the cerebral cortex and the diencephalon.
Structure
The limbic lobe is composed of several structures including the cingulate gyrus, the parahippocampal gyrus, and the dentate gyrus. These structures are interconnected and work together to perform the functions of the limbic lobe.
Function
The limbic lobe plays a crucial role in emotion, behavior, motivation, long-term memory, and olfaction. It is also involved in the regulation of autonomic and endocrine functions, particularly those responses related to emotional states.
Related Terms
- Cingulate Gyrus: A part of the brain situated in the medial aspect of the cerebral cortex. The cingulate gyrus is involved in processing emotions and behavior regulation. It also plays a role in learning and memory.
- Parahippocampal Gyrus: A region of the brain that plays an important role in memory encoding and retrieval. It's located in the medial temporal lobe and is a part of the limbic system.
- Dentate Gyrus: A part of the hippocampal formation. The dentate gyrus is thought to contribute to the formation of new episodic memories, the spontaneous exploration of novel environments, and other functions.
- Cerebral Cortex: The outer layer of the cerebrum, composed of folded gray matter, playing a key role in memory, attention, perception, cognition, awareness, thought, language, and consciousness.
- Diencephalon: The part of the brain that includes the thalamus, hypothalamus, epithalamus, and subthalamus. It is responsible for processing sensory information and regulating bodily functions such as sleep and appetite.
External links
- Medical encyclopedia article on Limbic lobe
- Wikipedia's article - Limbic lobe
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