Why did Dr. Thurman prescribe placebos to Donnie?
In the deleted scenes of the theatrical cut DVD, and reincorporated in the Director’s Cut, is a scene where Dr. Thurman reveals to Donnie that he’s been prescribed placebos. As this must have occurred prior to the Tangent Universe, it can only be assumed that Dr. Thurman believes Donnie is not suffering mental illness and is verifying this. Thanks to a US based psychologist who contacted me with some background on this topic, and said: Prescribing placebos – This would basically be highly unethical and illegal, since Donnie was reporting that he was “seeing things”, especially since he was a minor. Also, Dr. Thurman would not have been able to allow him to leave her office following the session where he stated that Frank was going to kill someone – since Donnie had stated earlier that “Frank made him do it” when he committed other crimes, Dr. Thurman would have had to assume that Donnie was referring to himself as threatening to kill someone, call the police/ambulance and have him comm