<unk>  is not a specific disease. Instead, it is a loss of brain function that occurs with certain diseases. It affects memory, thinking, language, judgment, and behavior. Usual causes include Alzheimer's disease, stroke, brain tumors, Lewy body disease, Parkinson's disease, Multiple sclerosis, Huntington's disease, Pick's disease and progressive supranuclear palsy. Patients with<unk>  may show symptoms as progressively memory loss, difficulty communicating, difficulty reading or writing, difficulty with performing tasks that take some thought, difficulty with coordination and motor functions, withdrawing from social contact, personality changes or inappropriate behavior. A mental status examination can be used to assess patients' mental function, including language function, motor activity function, recognition function and executive function. Treatments of<unk>  include therapeutic schedule for the underlying causes and medications to improve symptoms and slow the progression. There is no preventable measurement for most cases of<unk> . When<unk>  occurs, it usually develops progressively and often decreases patients' quality of life and lifespan.
Dementia
Orientia
Parkinsonism
Multi-infarct dementia
Semantic dementia
Early-onset Alzheimer's disease
Delirium
Alzheimer's disease