Although non-curative, medication such as cognitive enhancers can slow down the progress of cognitive decline. Sometimes, medication is also used to reduce dementia-related symptoms such as agitation, aggression, anxiety, depression, sleep disturbance, hallucinations and delusions. An important aspect of dementia care is non-medication treatment approaches such as psychoeducation, modifying the environment and communication styles, having activities and reminiscence among many others. Caregiver support, home intervention services, dementia day care centres and other domiciliary services are sometimes arranged depending on the needs of the patient.