Parahippocampal gyrus
Parahippocampal gyrus
Parahippocampal gyrus (pronunciation: para-hippo-campal gy-rus) is a significant part of the brain that plays a crucial role in memory encoding and retrieval.
Etymology
The term "Parahippocampal gyrus" is derived from the Greek words "para" meaning "near" and "hippocampus" referring to the part of the brain that it is close to. The "gyrus" is a Latin term meaning "circle" or "ring", referring to the circular shape of this part of the brain.
Function
The parahippocampal gyrus is involved in the formation and retrieval of memory, particularly episodic memory and spatial memory. It is also associated with the processing of sensory input and the regulation of emotions.
Anatomy
The parahippocampal gyrus is located in the medial temporal lobe of the brain, adjacent to the hippocampus. It is divided into two parts: the perirhinal cortex and the parahippocampal cortex. The perirhinal cortex is involved in object recognition and associative memory, while the parahippocampal cortex is involved in spatial memory and navigation.
Related Terms
- Hippocampus: A part of the brain that plays a significant role in the formation of new memories and is also associated with learning and emotions.
- Medial Temporal Lobe: The innermost part of the temporal lobe, which includes the hippocampus and the parahippocampal gyrus.
- Memory: The mental capacity or faculty of retaining and reviving facts, events, impressions, etc., or of recalling or recognizing previous experiences.
- Emotion: A complex state of feeling that results in physical and psychological changes that influence thought and behavior.
External links
- Medical encyclopedia article on Parahippocampal gyrus
- Wikipedia's article - Parahippocampal gyrus
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