University of Helsinki researchers identify five distinct brain activity patterns in depression patients
Scientists at the University of Helsinki announced on October 9, 2026, that they have identified five hidden brain profiles associated with depression.
Study participants showed varied symptoms
Researchers analyzed data from 263 individuals diagnosed with depression to find these differences. The group included people struggling with anxiety, trauma, and substance abuse issues. Each of the five profiles displayed unique patterns of communication between brain regions.
Brain communication strength differed greatly
Some participants exhibited unusually strong connections between specific areas of their brains. Other individuals showed weaker than normal communication in the same networks. These variations suggest that depression is not a single biological condition but several distinct patterns.
Global impact of the illness
The World Health Organization estimates approximately 332 million adults worldwide are affected by this condition. In Finland, it remains the leading cause of extended sick leave and disability pensions. Understanding these profiles could help tailor treatments to specific patient needs.
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