Domain : Diagnosis

Category : My daily life

Simplified definition

A drug injected into the body that detects the loss of neurons in the part of the brain responsible for movements, and that is detected by a gamma camera, which will take pictures of the brain.

Source: Houria Aiouaz, for Alzheimer Foundation

Referenced definition

“A medicinal product for diagnostic use, is a radiopharmaceutical substance used in Nuclear Medicine and Radiology Departments for the different diagnosis of Parkinsonian Syndromes versus Essential tremor.”

Source: Collins. DaTscan. [Internet]. Nov 26, 2012 [cited on Sept 7, 2022].


“For patients with dementia, the DaTscan has been successfully used in Europe to separate Alzheimer’s disease from a dementia called Lewy Body disease. This has important implications in determining which medications can be safely used to treat the dementia.”

Source: Cedars Sinai. DaTscan Procedure Information. [Internet]. [cited on Sept 7, 2022]. 


  • In fact, the drug highlights the part of the brain that is responsible for movements and reveals abnormalities.
  • “DAT” stands for “Dopamine active transporter”.
  • Dopamine is a chemical produced by the neurons and responsible for the control of movements. If these neurons die, no dopamine is produced, which causes difficulties in performing automatic movements.


DAT scan



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