The goal of this research is to find ways to maximize the benefits of antipsychotic
medications for cognition.
Hypothesis: Risperidone and olanzapine will show greater benefits than conventional
medications on assessments of social cognition, particularly affect perception and social
- Diagnosed with schizophrenia disorder by a DSM IV.
- Competent to sign informed consent
- No history of poor response to Risperdal and Zyprexa
- No organic brain disease
- Mental retardation or any chronic medical illness which results in the patient not
being appropriate for a switch to Risperdal or Zyprexa.