What is the test for determining whether a defendant has been diagnosed as having a mental state?

her behavior. Instead, that remained an issue to be resolved by the jury upon hearing the opposing experts testimony. (Accord, Ake v. Oklahoma (1985) 470 U.S. 68, 81, 105 S.Ct. 1087, 84 L.Ed.2d 53 ["Psychiatry is not ... an exact science, and psychiatrists disagree widely and frequently on what constitutes mental illness, on the appropriate diagnosis to be attached to given behavior and symptoms, on cure and treatment, and on likelihood of future dangerousness. Perhaps because there often is no single, accurate psychiatric conclusion ..., juries remain the primary factfinders [and] ... must resolve differences in opinion within the psychiatric profession on the basis of the evidence offered by each party."].)