The ADD Brain
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SPECT Brain Imaging

and ADD


undersurface view of

a normal brain

 (Below) AD/HD, combined type with both symptoms of inattention and hyperactivity-impulsivity. Brain SPECT imaging typically shows decreased activity in the basal ganglia and prefrontal cortex during a concentration task. This subtype of ADD typically responds best to psycho-stimulant medication.


Rest, Concentration & Concentration with Medication


 undersurface view at rest;
mild decrease prefrontal area

undersurface view during concentration;
marked decrease prefrontal cortex
and left temporal lobe


undersurface view with Adderall (medication);
overall marked improved activity



 Daniel Amen, M.D.




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