Visual Perception in Schizophrenia

This study is examining how people with schizophrenia or bipolar disorder process visual information differently compared to healthy individuals, in order to better understand the brain basis of these conditions. **You may be eligible if...** - You are between 18 and 65 years old - You have corrected vision of at least 20/32 - You can speak and understand English - You have a diagnosis of schizophrenia, schizoaffective disorder, or schizophreniform disorder — OR — bipolar disorder type I, II, or unspecified — OR — you are a healthy adult with no mental health diagnosis **You may NOT be eligible if...** - You have significant intellectual disability - You have a substance use disorder in the past 3 months - You are currently experiencing a manic episode - You have active thoughts of self-harm or a recent suicide attempt - You have had a head injury with loss of consciousness lasting more than 10 minutes - You have a neurological condition such as epilepsy, stroke, or brain tumor - You have a known eye condition such as lazy eye, squint, or other ocular pathology - You have had electroconvulsive therapy (ECT) in the past 8 weeks Talk to your doctor to see if this trial is right for you.