I think there is no one Ayurveda person here to answer your query
I am not a doctor .

In "The tribune" dated July 2,2009,There is an article by the title " unlocked: The secrets of Schizophrenia.(scientific breakthrough offers hope of new treatments for mental condition)------you must read it for new insight into treatment of schizophrenia.

If you wish ,i can email to you scanned news of this article or upload here --- hope this information may be helpful to you.

God bless All except me.
Rishi Vatsyayan