All of the following are true regarding SPECT or PET functional brain imaging on patients with neurodegenerative disease, EXCEPT

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Functional brain imaging with SPECT or PET may show changes in patients with neurodegenerative disease well before structural changes are apparent on anatomic imaging.Further, functional imaging may identify those patients with mild cognitive impairment who are more likely to progress.Certain patterns of radiopharmaceutical distribution are suggestive for specific types of dementia such as in Alzheimer's disease, Lewy body disease, Parkinson's disease, Pick disease, primary progressive aphasia, and vascular dementia.However, slowing progression is not one of the advantages of functional brain imaging.Yet, it is hoped that in future PET might be able to identify patients who could benefit from therapy aimed at: (1) enhancing cognitive function and memory, and (2) slowing the processes of neurodegeneration.

All of the Following Are True Regarding SPECT or PET