The Journal of Neurosurgery, he used a method called "deep brain stimulation" to try to perform conversion therapy on a subject.
Electrodes were placed in different areas of the subject's brain. "After electrode placement, researchers provided patient B-19 with a button to push that would send a current through the electrodes to his 'pleasure site.' As Heath and his colleagues recorded the patient's cerebral activity, patient B-19 was instructed to push the button repeatedly while watching heterosexual erotic films and masturbating until orgasm," the JNS wrote.The reasoning behind this treatment was that the stimulation to the "pleasure sites" would become associated with viewing women.