Medical scientists have now documented the neurological anomalies that mark virtually every commonly occurring form of mental illness. Those studies provide us with a roadmap for generating profiles that signal a probable progression to particular mental illnesses.
MDD example + For example, the level of the neurotransmitter serotonin is lower in individuals who have depression. Scientists also believe that there may be disruptions in the neurotransmitters dopamine, glutamate, and norepinephrine in individuals who have schizophrenia.
SZ Example + When someone is affected by depression, their brain typically has high levels of a chemical called cortisol, which isn’t a neurotransmitter because the hormone, is made in the adrenal glands rather than the brain.