An early pioneer of neuropsychiatry , he was apparently the first medical practitioner to describe hallucinations , phobias , insomnia , mania , nightmares , melancholia , dementia , epilepsy , paralysis , stroke , vertigo , and tremors .
Persian philosopher , physician , physicist and astronomer .
An early pioneer of neuropsychiatry , philosopher was apparently the first medical practitioner to describe hallucinations , phobias , insomnia , mania , nightmares , melancholia , dementia , epilepsy , paralysis , stroke , vertigo , and tremors .
Persian philosopher , physician , physicist and astronomer .