Pending the probable cause hearing under § 33-6-422, no treatment shall be given that will make the defendant unable to consult with counsel or to prepare a defense in proceedings for involuntary care and treatment. No psychosurgery, convulsive treatments, or insulin treatment shall be undertaken for any psychiatric disorder until an order has been entered, after the § 33-6-422 probable cause hearing in accordance with this part, requiring continued involuntary care and treatment of the defendant.
T.C.A. § 33-6-415