Mental Health Brain Biomarker Studies Were Mostly Small and Cross-Sectional
TL;DR: A 2026 review in BMC Psychiatry found 441 primary MRI and electroencephalogram (EEG), a scalp recording of brain electrical activity, mental-health biomarker studies, but most were small, cross-sectional, and concentrated in depression, making routine clinical use premature. Key Findings 58,824 records screened: Researchers searched MEDLINE and Embase from 2010 to September 2023, then mapped …
