Auguste, the patient
used to describe Alzheimer's disease, in 1901. Alzheimer's disease is commonly associated with dementia.
Dementia is a group of
symptoms, which affect the way people think and interact with each other. It can often be linked to a disease or damage done to the
brain. Very often, short-time memory,
motor skills are effected. Certain forms of dementia cause a change in the
personality of the sufferer. A person suffering from dementia will lose certain skills and knowledge they already had. This is the main difference to other conditions affecting the mind. People who suffer from learning problems, or lower intelligence will never acquire certain skills, people suffering from dementia will lose skills they have acquired. Dementia is more common in older people, but younger people can be affected as well. Certain forms of dementia can be treated, to some extent. The most common form of dementia is
Alzheimer's disease, which accounts for between 50 and 60 percent of all cases. Other types include
vascular dementia and
lewy body dementia.
Famous people who suffered from dementia include
Augusto Pinochet, the
Chilean leader, and also
Rosa Parks, the
People who see the following worsen may suffer from dementia:
- Decision-making ability
- Orientation in time and space
- Problem solving
- Verbal communication
Behavioral changes may include:
- Dressing (may need assistance)
- Routine activities (may become unable to perform household tasks)
- Personality (inappropriate responses, lack of emotional control)
Some types dementia are
reversible. This means the damage can be undone. Other types are
irreversible. This means that they cannot be undone. Irreversible dementia is usually caused by an incurable disease, such as
Reversible causes of dementia also include
diffuse axonal injury after
injuries to the
head or the
brain, known medically as
Traumatic brain injury.
Creutzfeldt-Jakob disease causes a dementia that gets worse quickly, over weeks or months, and is caused by
 ,other forms like
delirium may develop relatively slowly, over a number of years.
The two leading causes of dementia are
Alzheimer's disease and
Glioma related tumors are another kmown cause.
Alcohol dementia, is sometimes associated with Wernicke-Korsakoff syndrome, and is caused by long-term or uncontrolled, heavy
Possible metabolic causes are such as
liver failure or
kidney failure; and chronic
subdural hematoma. Possible other causes may include brain infection by illnesses like
meningitis leading in cases to
viral encephalitis drug toxicity (e.g.