Dementia is a term that describes a variety of symptoms affecting a person's cognitive functioning, including their ability to think, remember, and reason. It tends to get worse over time, so there are a few key early warning signs.

Dementia occurs when nerve cells in a person's brain stop working. Although it typically happens in older people, it is not an inevitable part of aging. The brain's natural deterioration happens to everyone as they grow older, but it occurs more quickly in people with dementia.

There are many different types of dementia. According to the , the most common is Alzheimer's disease. Other types include:

  • Lewy body dementia
  • frontotemporal dementia
  • vascular disorders
  • mixed dementia, or a combination of types

There are 10 typical early signs of dementia. For a person to receive a diagnosis, they would usually experience two or more of these symptoms, and the symptoms would be severe enough to interfere with their daily life.

These early signs of dementia are: