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Updated: Jul 10, 2026

Combined Mechanical and Enzymatic Dissociation of Mouse Brain Hippocampal Tissue

Combined Mechanical and Enzymatic Dissociation of Mouse Brain Hippocampal Tissue

Published on: October 21, 2021

The hippocampus as a generative model.

Sumedha Nalluru^1,2,3, Leonie Glitz^1,2,3,4, Xenia Przygodda^1,2,3

¹Medical Research Council Centre of Research Excellence in Restorative Neural Dynamics, Nuffield Department for Clinical Neurosciences, University of Oxford, Oxford OX3 9DU, UK.

Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences

|July 9, 2026

Summary

This summary is machine-generated.

The hippocampus acts as a generative model, creating predictions to aid memory and cognition. This perspective may explain neuropsychiatric disorders like psychosis.

Keywords:

generative model hippocampus latent cause memory sharp-wave ripple theta

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Horizontal Hippocampal Slices of the Mouse Brain

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Last Updated: Jul 10, 2026

Combined Mechanical and Enzymatic Dissociation of Mouse Brain Hippocampal Tissue

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Published on: October 21, 2021

Horizontal Hippocampal Slices of the Mouse Brain

Horizontal Hippocampal Slices of the Mouse Brain

Published on: September 22, 2020

Area of Science:

Neuroscience
Cognitive Science
Computational Neuroscience

Background:

The hippocampus is crucial for memory and is theorized to form cognitive maps.
Existing views suggest the hippocampus abstracts external world representations.
Neural activity recordings support the cognitive map hypothesis.

Purpose of the Study:

To propose the hippocampus functions as a generative model.
To integrate computational theory and empirical evidence.
To explain hippocampal role in higher-order cognition and behavior.

Main Methods:

Examining empirical evidence.
Reviewing computational theory.
Analyzing neural activity recordings.
Positing hippocampal position in cortical hierarchy.

Main Results:

The hippocampus represents latent, unobserved causes of sensory data.
These representations enable data generation for exploring hypotheticals.
An internal training signal is provided back to the generative model.
Perturbations to this model may explain psychosis symptoms.

Conclusions:

The hippocampus as a generative model offers a unified account of its function.
This framework explains support for higher-order cognition and adaptive behavior.
It provides insights into neuropsychiatric disorders, particularly psychosis.