An apparatus and method for adjunct (add-on) therapy of depression, migraine, neuropsychiatric disorders, partial complex epilepsy, generalized epilepsy and involuntary movement disorders comprises an implantable lead-receiver, and an external stimulator having controlling circuitry, a power source,...http://www.google.se/patents/US6356788?utm_source=gb-gplus-sharePatent US6356788 - APPARATUS AND METHOD FOR ADJUNCT (ADD-ON) THERAPY FOR DEPRESSION, MIGRAINE, NEUROPSYCHIATRIC DISORDERS, PARTIAL COMPLEX EPILEPSY, GENERALIZED EPILEPSY AND INVOLUNTARY MOVEMENT DISORDERS UTILIZING AN EXTERNAL STIMULATOR
