Dementia is a group of neurological conditions that cause a decline in brain function, leading to a range of symptoms that can significantly impact a person's quality of life. Although dementia was a rare occurrence before the 20th century due to fewer people living to old age, it has now become a major health concern worldwide.

The most common types of dementia include Alzheimer's disease, vascular dementia, and Lewy Body Dementia, and these can cause a decline in brain function and memory loss. While the risk of developing dementia increases with age, younger people can also develop the condition. Behavioral and psychological symptoms of dementia are leading factors that can lead to assisted living or nursing facility placement, and the responsibility of care often falls on family members who may be unprepared financially, emotionally, and practically

The image here is from a study that demonstrates the area of the brain responsible for long term music memory which is largely unaffected by the onset of Alzheimer’s. If you are able to access that part of the brain it can act as a prompt to increase stimulation between nerve cells in other areas of the brain which are, due to cognitive decline, working less efficiently..