organic mental disorders การใช้

Biological psychiatry is a branch of psychiatry where the focus is chiefly on researching and understanding the biological basis of major mental disorders such as unipolar and bipolar affective ( mood ) disorders, schizophrenia and organic mental disorders such as Alzheimer's disease.
Now the DSM-IV-TR ( Diagnostic and Statistical Manual of Mental Disorders, 4th Edition, Text Revision ) has broken up the diagnoses that once fell under the diagnostic category organic mental disorder into three categories : delirium, dementia, and amnestic.
"' General paresis "', also known as "'general paralysis of the insane "'or "'paralytic dementia "', is a severe organic mental disorder and caused by the chronic meningoencephalitis that leads to cerebral atrophy in late-stage syphilis.