The cohort of their study included 69 subjects with schizophrenia or schizoaffective disorder, aged 18 to 60, and all on antipsychotic medications and stable.

他们的这组研究包括了69个具有精神分裂症或情感分裂性精神障碍的实验对象，年龄在18到60岁之间，都在服用抗精神病药物，且病情稳定。