A 19-year-old patient is brought to the clinic by their sibling. The patient’s college roommate notified the family that

A 19-year-old patient is brought to the clinic by their sibling. The patient’s college roommate notified the family that the patient had been acting strangely for the past 7 months. The patient is infatuated with a local news reporter, who the patient believed was talking directly to them during their newscast. The patient started writing letters to the newscaster and calling the station frequently to talk to “their lover.” The patient has missed multiple lectures for one of their courses, so they would be able to attend the daily newscast. At one point, they went to the station on Valentine’s Day with flowers and were turned away by security. As a consequence, the patient’s grades have dropped. In speaking with the patient, their speech is often off topic. They exhibit neologisms, are paranoid, have poor insight, are disheveled, and have a flat affect. The roommate reported that the patient had stopped taking care of themselves, was isolated in their room, was acting paranoid, and seemed “dull” for the past 4 months before stalking the newscaster. What is the mechanism of action for the recommended treatment for this patient’s condition? Blockade of voltage-gated sodium channels Dopamine and serotonin receptor antagonism Inhibition