Psychiatrist Daniel Amen uses brain scans to help diagnose mental illness. Most peers say that’s bonkers.
Daniel Amen with his SPECT scanner at his Reston clinic. SPECT, or single photon emission computed tomography, is a type of nuclear imaging test that measures blood flow in organs of the body. In clinical practice, doctors use it to uncover evidence of strokes, epilepsy, trauma, some types of dementia and heavy drug use. Amen says he has taught himself to apply SPECT, alongside clinical evaluations, as a diagnostic tool in 90 percent of his patients.Joseph Victor Stefanchik/For The Washington Post
A mass skiing competition in Russia, the Westminster Kennel Club Dog Show, the Northern Lights glow over Finland, former congressman John Dingell’s funeral in Washington and more images from around the world.
NASA tried one last time to contact its record-setting Mars rover Opportunity, but declared it dead on Feb. 13, 2019, 15 years after arriving at the Red Planet. The solar-powered rover has been silent for eight months, victim of one of the most intense dust storms in decades.