What may be gained from neuropsychological investigations of tardive dyskinesia?

As an iatrogenic movement disorder, tardive dyskinesia (TD) offers a unique opportunity to study brain-behavior relationships. The authors provide a brief overview of TD and discuss its association to cognitive dysfunction. It is argued that, given the complexity of the variables involved in the study of TD, there is pressing need for greater applications of neuropsychological research paradigms to help elucidate this disorder.