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Role of Hippocampus in Memory

Role of Hippocampus in Memory

The hippocampus, a critical brain structure, plays an essential role in memory processing, particularly in the formation and retrieval of memory. This small, seahorse-shaped region is located within the medial temporal lobe, with one hippocampus in each brain hemisphere. Experimental studies involving lesions in the hippocampi of rats have demonstrated significant impairments in tasks such as object recognition and maze navigation, indicating the hippocampus involvement in both recognition and...

Lateralization

Lateralization

Brain lateralization refers to the division of mental processes and functions between the two hemispheres of the brain, a phenomenon that optimizes neural efficiency and underpins complex abilities in humans. This specialization allows each hemisphere to perform tasks where it has a comparative advantage, facilitating more refined cognitive capabilities across different domains.

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Updated: Mar 11, 2026

Sex Differences in Mouse Hippocampal Astrocytes after In-Vitro Ischemia

Sex Differences in Mouse Hippocampal Astrocytes after In-Vitro Ischemia

Published on: October 25, 2016

Sex differences in hippocampal function.

Wendy A Koss¹, Karyn M Frick¹

¹Department of Psychology, University of Wisconsin-Milwaukee, Milwaukee, Wisconsin.

Journal of Neuroscience Research

|November 22, 2016

Summary

This summary is machine-generated.

Sex differences in the hippocampus are influenced by age, methods, and environment. This review explores these variations in memory, neuronal structure, and hormones, impacting mental health.

Keywords:

adolescence cell signaling dendritic spines hippocampus memory plasticity puberty

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Investigating Long-term Synaptic Plasticity in Interlamellar Hippocampus CA1 by Electrophysiological Field Recording

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Last Updated: Mar 11, 2026

Sex Differences in Mouse Hippocampal Astrocytes after In-Vitro Ischemia

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Preparation of Acute Slices from Dorsal Hippocampus for Whole-Cell Recording and Neuronal Reconstruction in the Dentate Gyrus of Adult Mice

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Investigating Long-term Synaptic Plasticity in Interlamellar Hippocampus CA1 by Electrophysiological Field Recording

Investigating Long-term Synaptic Plasticity in Interlamellar Hippocampus CA1 by Electrophysiological Field Recording

Published on: August 11, 2019

Area of Science:

Neuroscience
Comparative Psychology
Endocrinology

Background:

Sex differences in hippocampal function are documented across mammals.
The precise nature and influencing factors of these differences remain unclear.

Purpose of the Study:

To review studies on sex differences in hippocampal memory, neuronal morphology, synaptic plasticity, and cell signaling.
To explore the role of sex steroid hormones in these differences.
To discuss the implications for mental health.

Main Methods:

Review of seminal studies in humans and rodents.
Analysis of factors like age, methodology, and environment.
Examination of organizational and activational hormonal effects.

Main Results:

Sex differences exist in hippocampal function, varying with age, methodology, and environment.
Sex steroid hormones play a role through organizational and activational effects.
These differences have implications for mental health outcomes.

Conclusions:

Hippocampal function exhibits sex-based variations influenced by multiple factors.
Hormonal influences are critical throughout development and adulthood.
Understanding these differences is crucial for addressing sex-specific mental health conditions.