Risperidon viste statistisk signifikant og klinisk betydningsfuld effekt til behandling af aggression og mindre entydig effekt til behandling af agitation og psykose hos ældre demente patienter (målt på BEHAVE- AD- skalaen (Behavioural Pathology in Alzheimer' s Disease Rating Scale) og CMAI- skalaen (Cohen- Mansfield Agitation Inventory)).
Risperidone showed statistically significant and clinically important effectiveness in treating aggression and less consistently in treating agitation and psychosis in elderly dementia patients (as measured by the Behavioural Pathology in Alzheimer’ s Disease Rating Scale [BEHAVE-AD] and the Cohen-Mansfield Agitation Inventory [CMAI]).