Amen uses amazin brain imaging to show his patients their brains vs. a normal brain. A normal brain SPECT scan shows a solid brain in all directions. This signifies brain activity. If the scan looked to be filled with holes then those holes represent non-activity centers in the brain. Additionally, brain health typically can be reflected on the outside. Obesity has a major negative effect on the brain. Most of the patients Dr. Amen profiles in the book were primal grow pro overweight and had negative looking brain scans. Dr…