Peer-reviewed journal
Appears in 1 story
Published the study in September 2026
Depression treatment is mostly trial and error: a patient tries an antidepressant, waits weeks, and often switches when nothing helps. A University of Helsinki team used magnetoencephalography (MEG), which records brain electrical activity with millisecond precision, to investigate why response varies so much. Scanning 263 people with major depressive disorder and 75 healthy controls, they sorted patients into five distinct brain-activity profiles.
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