Cognition and communication dysfunctions in early-onset schizophrenia: Effect of risperidone

► Early onset schizophrenia (EOS) is severe neurodevelopmental disorder. ► Cognitive impairment and formal thought disorder influence general outcome. ► Risperidone efficacy on cognitive deficits and thought disorder in EOS was assessed. ► Risperidone treatment was associated with partial improvement of thought disorder. ► Risperidone treatment had limited efficacy for cognitive impairment.