Investigates cognitive problems for people aged 65 and over in South Sheffield.   Provides pre-diagnostic counselling and pre-assessment by nurse.  Assessment at clinic is via psychiatric interviews, neuropsychological assessment, physical examination, blood tests and CT/MRI scan as indicated.  Appropriate treatment may be started once diagnosis is established.  Post-diagnostic counselling and support is given to patients, carers and relatives.  If required referral to other health and social services initiated.  Referral is from GP or Social Services via Community Mental Health Teams.