“…Before the trial began and during weeks 12, 24, 40 and at the time of withdrawal, the patient'smental statewasassessed independently by two psychiatrists, using the Hamilton-Lorr Scale (Hamilton et a!, 1960); depression and anxiety were also assessedusing the relevant sections of the Krawiecka Scale (Krawiecka eta!, 1977). The patient's ward behaviour was assessed by a senior nurse,using the Wing Ward Behaviour Scale (Wing, 1961), and the ability to work in the industrial therapy unit by senior nursing staff and instructors, using a standardized work report (Grif fiths,1973).Parkinsonianside-effects (tremor,rigidity, dystonia, akathisia) were assessed jointly by two psychiatrists using a five-point scale(0 = absent, 1 = doubtful, 2 = mild, 3 = moderate, 4 = severe).…”