L nervous system. Neurodegeneration is a combination of two words in which the nerve means "neurons" and degeneration means "progressive loss". The general definition of a neurodegenerative disease is a progressive loss of memory, includingloss of neurons and loss of neuronal structure and death of neuronal trainees, leading to a loss of neuronal function. Alzheimer's disease progresses from mild to moderate and becomes worse. Symptoms of the disease include mental abilities, memory, and loss of behavioural changes. Starting with the younger age group from 45 to 65 years old and old age, and even affecting any age group. Blue - the normal part of the brain, and red - as associated with pathology. The classified classification AD uses a controlled learning process supporting the vector machine (SVM).