The disease makes it increasingly difficult to communicate. Early diagnosis is important.
Vascular dementia usually progresses in bigger or smaller steps following a major and minor strokes.
Fronto-temporal dementia is one of the primary degenerative dementia diseases.
Huntington’s disease is very uncommon: 5 out of every 100,000 people are estimated to have the disease.
Lewy Body dementia is estimated to account for 2–20 per cent of all cases of dementia.
Mixed dementia is present when symptoms account for more than one type of dementia simultaneously.
Secondary dementia diseases cover around eighty diseases and injuries, e.g. brain tumours, alcohol abuse and various deficiencies.
Parkinson’s disease is caused by a deficiency of the neurotransmitter called dopamine and accounts for 1.2–3 per cent of all cases of dementia.