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Marjan Biria

Marjan Biria

Cognitive Neuroscientist and Clinical Psychologist focusing on OCD

London, UK
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Joined June 2026
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Summary

Marjan Biria is a dedicated Cognitive Neuroscientist and Clinical Psychologist with a profound specialization in Obsessive-Compulsive Disorder (OCD). Her work spans both academic research, utilizing advanced neuroimaging and experimental paradigms, and clinical practice, currently training as a clinical psychologist at a national specialist clinic for OCD. marjanbiria
Her research significantly contributes to understanding the neurobiological underpinnings of compulsive behaviors. At the University of Cambridge, she investigated neural mechanisms using ultra-high-field (7T) Magnetic Resonance Spectroscopy to examine neurochemical imbalances (glutamate and GABA) in brain regions implicated in OCD. marjanbiria+3
Biria possesses a unique interdisciplinary background, combining clinical psychology, neuroscience, and computer science. This blend enables her to design and develop novel computer-based tasks for measuring and characterizing behavioral and cognitive patterns in mental health problems, such as a paradigm to measure checking behavior in OCD. marjanbiria+2
She has also explored OCD symptoms in clozapine-treated schizophrenia patients, characterizing these symptoms as a consequence of their treatment. Her work extends to investigating the impact of rumination and worry on working memory and predicting schizophrenia development using high-density EEG. marjanbiria+2
Currently, as a trainee clinical psychologist at King's College London and South London and Maudsley NHS Foundation Trust, she is focused on translating her cutting-edge research findings into practical, evidence-based therapeutic interventions, aiming to bridge the gap between scientific discovery and clinical practice. marjanbiria+1

Work

Education

Writing

Clozapine-induced obsessive-compulsive symptoms in schizophrenia: Clinical and cognitive determinants of dysfunctional checking

January 1, 2025

An article (in press 2025) exploring the clinical and cognitive determinants of dysfunctional checking in clozapine-induced OCS.

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Cortical glutamate and GABA are related to compulsive behaviour in individuals with obsessive compulsive disorder and healthy controls

January 1, 2023

Research published in Nature Communications, focusing on the neurochemical basis of compulsive behavior.

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Action sequence learning, habits, and automaticity in obsessive-compulsive disorder

January 1, 2023

A publication in eLife (2023) exploring the goal/habit imbalance theory of compulsion in OCD through newly developed behavioral tasks.

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Excessive Checking in Obsessive-Compulsive Disorder: Neurochemical Correlates Revealed by 7T Magnetic Resonance Spectroscopy

January 1, 2022

A study published in Biological Psychiatry (2022) investigating checking behavior and its neurochemical underpinnings using 7T MR Spectroscopy. This work involved the design of a novel computer paradigm to measure checking behavior.

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Magnetic Resonance Spectroscopy (MRS) and Positron Emission Tomography (PET) Imaging in Obsessive-Compulsive Disorder

January 1, 2020

A chapter in a Springer Nature publication (2020) detailing the use of MRS and PET imaging in OCD research.

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A cross sectional study of impact and clinical risk factors of antipsychotic-induced OCD

January 1, 2019

Research published in European Neuropsychopharmacology (2019) on OCD symptoms in clozapine-treated patients with schizophrenia.

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Visual processing deficits in 22q11.2 Deletion Syndrome

January 1, 2017

Research published in Scientific Reports (2017) on visual processing deficits in 22q11.2 Deletion Syndrome, utilizing high-density EEG.

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