This document provides an overview of dementia care. It discusses cognitive disorders such as mild cognitive impairment, dementia disorders including Alzheimer's disease, and confusional syndromes. It defines dementia and describes Alzheimer's disease specifically. The document also outlines diagnostic methods for cognitive decline and treatments for acetylcholine deficiencies, notably acetylcholinesterase inhibitors such as donepezil, rivastigmin, and galantamin. These drugs are noted to have symptomatic effects on attention, stability, and cognitive improvement over long term treatment.