TERM DATABASE

Hippocampal Gyrus

Last update: September 16, 2022
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By BrainMatters

Summary

This area is important for creating and retrieving memories. It also appears to be involved in making value judgements about a situation. Abnormalities in this area are associated with schizophrenia and Alzheimer's disease.

Function

The hippocampal gyrus is important in the production and retrieval of memories. This is not just a matter of remembering a picture or a memory of a room. Social context and verbal communication also play an important role in encoding memories. In addition, this area is involved in recognising more general aspects of language. For example, this area enables you to recognise sarcasm in someone's voice.

An important function of this area is to form associations between objects and feelings. It also seems to be involved in assigning values to different stimuli and experiences.

Location

The hippocampal gyrus is an area of grey matter surrounding the hippocampus. It is located in the middle of the brain, in the upper part of the temporal lobe.

Fact

Schizophrenia is associated with abnormalities in this area. These include differences in thickness, volume and symmetry of the area. These abnormalities could cause a person to have difficulty in recognising reality.

Patients

People with Alzheimer's disease have abnormalities in this area. They have difficulty in storing new memories. However, they can easily recall old memories. The old memories are already stored somewhere else, so this area is not needed for this.

Author: Myrthe Princen (translated by Thomas von Rein)
Image: Marcel Loeffen

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