Provide a very detailed examination of anatomical structure and neurochemical aspects of the brain. This can not be done by other forms of brain measurement.
Can access parts of the brain like the hypothalamus hippocampus.
Iverson performed post mortem on patients with schizophrenia. Found that they had deeper concentration of dopamine in their limbic system.
Causation is hard to decipher. Maybe deficits in the brain are a result of something else - maybe that's what caused their death
Does someone give informed consent for a postmortem?