Dementia Disorder Dementia is a neuro cognitive disorder. Generally it is a progressive cognition impairing disorder. Progressive deterioration in cognition leads to impairment in social and occupational functioning. Common types of dementia: Alzheimer, Lewy body, vascular, frontotemporal, due to brain trauma, parkinson’s, due to infections of brain, huntington’s, vitamin and nutritional deficiencies, alcohol and drugs. […]