According to NPR (4/26, Hamilton), “brain scan studies have yet to offer much insight into the underpinnings of traits like intelligence, or mental health conditions like anxiety and depression,” investigators concluded after analyzing “nearly 1,000 brain scans,” then checking “their work, using 1,000 different scans.” One “key reason is that these studies need to include scans of thousands of brains, instead of the dozens typically used, a team reported” in findings (PDF) published online March 16 in the journal Nature.
Related Links:
— “Brain scans may reveal a lot about mental illness, but not until studies get bigger “Jon Hamilton, NPR, April 26, 2022