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Neurophysiology in psychosis: The quest for disease biomarkers

Wang, Baihan; Zartaloudi, Eirini; Linden, Jennifer F; Bramon, Elvira; (2022) Neurophysiology in psychosis: The quest for disease biomarkers. Translational Psychiatry , 12 (1) , Article 100. 10.1038/s41398-022-01860-x. Green open access

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Abstract

Psychotic disorders affect 3% of the population at some stage in life, are a leading cause of disability, and impose a great economic burden on society. Major breakthroughs in the genetics of psychosis have not yet been matched by an understanding of its neurobiology. Biomarkers of perception and cognition obtained through non-invasive neurophysiological tools, especially EEG, offer a unique opportunity to gain mechanistic insights. Techniques for measuring neurophysiological markers are inexpensive and ubiquitous, thus having the potential as an accessible tool for patient stratification towards early treatments leading to better outcomes. In this paper, we review the literature on neurophysiological markers for psychosis and their relevant disease mechanisms, mainly covering event-related potentials including P50/N100 sensory gating, mismatch negativity, and the N100 and P300 waveforms. While several neurophysiological deficits are well established in patients with psychosis, more research is needed to study neurophysiological markers in their unaffected relatives and individuals at clinical high risk. We need to harness EEG to investigate markers of disease risk as key steps to elucidate the aetiology of psychosis and facilitate earlier detection and treatment.

Type: Article
Title: Neurophysiology in psychosis: The quest for disease biomarkers
Open access status: An open access version is available from UCL Discovery
DOI: 10.1038/s41398-022-01860-x
Publisher version: https://doi.org/10.1038/s41398-022-01860-x
Language: English
Additional information: © 2022 Springer Nature Limited. This article is licensed under a Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/).
Keywords: Biomarkers, Bipolar disorder, Neuroscience, Schizophrenia
UCL classification: UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences > Division of Psychiatry
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences
UCL
URI: https://discovery.ucl.ac.uk/id/eprint/10145142
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