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HomeHealth and MedicalEEG testing shows possible biomarker for suicidal ideation

EEG testing shows possible biomarker for suicidal ideation

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Understanding the neurobiological underpinnings of suicidal ideation and identifying biomarkers could help doctors identify those at risk and researchers develop effective interventions.

Although studies using functional MRI (fMRI) have connected suicidal ideation with dysfunction in in the brain, the high cost of fMRI prevents it from being used as a clinical tool for assessing suicide risk.

Searching for alternatives, researchers led by Madhukar Trivedi, M.D., Professor of Psychiatry and Director of the Center for Depression Research and Clinical Care in the Peter O’Donnell Jr. Brain Institute at UT Southwestern, tested electroencephalography (EEG), a much less expensive brain-scanning tool, on 111 volunteers ages 10–26 who had a history or current diagnosis of depressive or .

Their results, published in the Journal of Psychiatric Research, showed dysfunction in the brain’s default mode network in those who tested positive for suicidal ideation on the Concise Health Risk Tracking survey.

The researchers suggest EEG could offer an accurate, accessible method to test patients for .

More information:
Cherise R. Chin Fatt et al, Active suicidal ideation associated with dysfunction in default mode network using resting-state EEG and functional MRI – Findings from the T-RAD Study, Journal of Psychiatric Research (2024). DOI: 10.1016/j.jpsychires.2024.06.016

Citation:
EEG testing shows possible biomarker for suicidal ideation (2024, September 28)
retrieved 29 September 2024
from https://medicalxpress.com/news/2024-09-eeg-biomarker-suicidal-ideation.html

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