NKS Olaviken alderspsykiatriske sykehus – Old Age Psychiatry Hospital at Erdal in Norway is an institution dedicated to all aspects of old age psychiatry, specialising in accurate diagnosis and treatment of behavioural and psychological symptoms of dementia.

The facility runs a memory clinic specialised in diagnoses in relation to different types of cognitive impairment. The clinic also deals with the diagnosis and treatment of various mental disorders of old age, such as dementia, depression and delusional disorder. In addition, it teaches psychotherapy and group treatment for this group of patients.