Red, pink, and orange indicate lower levels of brain
activation; white and blue indicate higher activation levels. Activity in the
schizophrenic’s brain is low in the frontal lobes, which is at the top
(Velakoulis & Pantelis, 1996). Activity in the manic-depressive’s brain is
low in the left hemisphere and high in the right hemisphere. The reverse is
usually true for schizophrenics. Researchers are finding consistent patterns
that will aid in diagnosing mental disorders.
Positron emission
tomography (PET) produces scanned
images of the
human brain.
Manic-Depression
Schizophrenia
Normal
Slide
prepared by Dr. Gordon Vessels 2005