In the Journal of Alzheimer’s Disease, the largest-ever study of brain images has been published, authored by Amen Clinics. The study encompasses 46,034 Single Photon Emission Computed Tomography (SPECT) brain images sourced from nine clinics. Its authors came to a conclusion that would surprise few women: Women’s brains are more active than men’s.
SPECT imaging tracks activity in the brain by registering blood perfusion in specific areas as subjects perform various tasks, or are at rest. The images came from 119 healthy volunteers as well as 26,683 patients suffering from a range of psychiatric issues including bipolar disorder, schizophrenia/psychotic disorders, mood disorders, brain trauma, and ADHD. The study analyzed activity in a total of 128 regions using at-rest baseline images against images taken while subjects performed assigned concentration tasks.
Amen founder and lead author of the study psychiatrist Daniel G. Amen told the Journal, “This is a very…
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