Advances in brain imaging (approx. 13 min.)

Scientists can now see inside the human brain with exquisite detail. Reisa Sperling, M.D., of Harvard Medical School, explains how advanced imaging technologies work, why memory fails in Alzheimer's disease, and how this relates to future treatments.

This video is part of the "THE ALZHEIMER'S PROJECT," a presentation of HBO Documentary Films and the National Institute on Aging at the National Institutes of Health in association with the Alzheimer's Association, The Fidelity® Charitable Gift Fund and Geoffrey Beene Gives Back® Alzheimer's Initiative.