Alzheimer’s disease by Harold Gunatillake Manuscript Alzheimer’s disease is a degenerative disease of the brain described as early as 1906 by Dr. Alois Alzheimer. There is progressive memory loss and loss of cognitive function. Now what does cognitive function means? Cognitive function.is an intellectual process by which one becomes aware of, perceives, or comprehends ideas. It includes multiple mental abilities, learning, thinking, reasoning, remembering, problem solving, decision making and attention. Alzheimer’s disease is the most common form of dementia. Dementia is a general term for declining mental ability which affects the performance of daily activities and routine. Dementia became the leading cause of death in 2016 for Australian women, surpassing heart disease. It is the third cause of death for men. In 2019, there is an estimated 4 hundred thousand Australians living with dementia. Alzheimer’s disease is more specific and is the most common type of dementia accounting for ...