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Related Experiment Video

Updated: Nov 11, 2025

Signal Attenuation as a Rat Model of Obsessive Compulsive Disorder

Signal Attenuation as a Rat Model of Obsessive Compulsive Disorder

Published on: January 9, 2015

Animal Models for OCD Research.

Brittany L Chamberlain^1,2, Susanne E Ahmari^3,4

¹Department of Psychiatry, Translational Neuroscience Program, University of Pittsburgh, Pittsburgh, PA, USA.

Current Topics in Behavioral Neurosciences

|March 25, 2021

Summary

This summary is machine-generated.

Animal models are crucial for understanding Obsessive-Compulsive Disorder (OCD) pathophysiology. Research highlights cortico-basal ganglia-thalamic circuits and glutamatergic synapses, paving the way for novel OCD treatments.

Keywords:

Animal models Anxiety Basal ganglia Chemogenetic Cortico-striato-thalamo-cortical circuits Decision-making Fear learning Obsessive compulsive disorder (OCD)Optogenetic Orbitofrontal cortex (OFC)Prefrontal cortex Striatum Transgenic Translatable tasks

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Area of Science:

Neuroscience
Psychiatry
Genetics

Background:

Obsessive-Compulsive Disorder (OCD) lacks identified molecular treatment targets, hindering therapeutic advancements.
Genome-wide association studies have yielded limited findings, necessitating alternative research approaches.
OCD symptoms can be deconstructed into distinct neural functions amenable to study in animal models.

Purpose of the Study:

To review current strategies employing animal models for identifying molecules, cell types, and circuits relevant to OCD pathophysiology.
To explore how findings from animal models can inform the development of new treatments for OCD and related disorders.

Main Methods:

Review of studies in rodents and non-human primates focusing on cortico-basal ganglia-thalamic circuits.
Analysis of human post-mortem brain tissue research on glutamatergic synapse abnormalities.
Examination of animal model systems, including transgenic models and circuit manipulations.

Main Results:

Cortico-basal ganglia-thalamic circuits are implicated in OCD pathophysiology.
Glutamatergic synapse abnormalities are suggested as a cellular substrate for OCD behaviors.
Neuromodulators like serotonin and dopamine play a potential role in OCD pathology and treatment.

Conclusions:

Animal models offer valuable insights into OCD pathophysiology by dissecting circuit abnormalities and genetic factors.
Investigating OCD-relevant neural constructs in animal models aids in identifying potential therapeutic targets.
Findings from animal research hold promise for developing innovative treatment strategies for OCD.