In the late 1960's I summarized the literature on tardive dyskinesia and found about forty-five papers on this disorder; when I reviewed this topic 4 years later there were fifty additional communications. It was hardly an impressive number ofreports and certainly small by comparison to the prolific output of psychopharmacologists in other areas. Yet there was sufficient information to be concerned about this new and unexpected complication. The majority of psychiatrists either ignored the existence of the problem or made futile efforts to prove that these motor abnormalities were clinically...