DSM-5 is an excellent example of the prevalent, indeed ubiquitous, developmental arrest in regards to retooling our superficial labeling process without evolving the underlying, evidenced-based molecular and cellular diagnostic processes that reference brain and body functional neurophysiology.
If you are lost, forget being found with this bible. Don't be worried, you won't have to change anything you are doing... it's the same old 19th Century stuff, trimmed up to tweak the descriptive language, with no improvements there for patient care, and no new science. Boring.
SPECT Image Interpretation Requires More Than A Good Read - Coming soon: Brain School 101 is a 1hr 45min training DVD - basic training for what to expect with SPECT imaging for those considering SPECT evaluation, and for professionals who want more answers