How Brain Imaging Changes Everything

Dr. Daniel Amen has performed more than 94,000 brain scans at his clinics over many decades. Here, he discusses SPECT scans (Single Photon Emission Computed Tomography), and how they have changed the way Amen Clinics diagnoses and treats people with ADHD.

What Does Brain Imaging Tell Us?

SPECT imaging captures blood flow and activity in the brain to study brain function. It’s different from a CAT scan or an MRI, which are anatomy studies that investigate the brain's structure or how it physically looksSPECT looks at how the brain works. 

Think of a car engine. An MRI will show you what it looks like. A SPECT scan will show how it functions. SPECT basically tells us three things— healthy activity, too little or too much. 

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