Advice HIV-related cognitive impairment People with HIV and AIDS sometimes develop cognitive impairment, particularly in the later stages of their illness.
Advice Creutzfeldt-Jakob disease Creutzfeldt-Jakob disease (CJD) is caused by an abnormally shaped protein called a prion infecting the brain.
Advice What causes young-onset dementia? The causes of young-onset dementia are different from that in older people. The young-onset of some of the most common types of dementia are described on this page.
Advice Rarer types of dementia - other resources Here you will find a list of other useful organisations that may be able to provide you with further information about rarer types of dementia.
Advice Progressive supranuclear palsy Progressive supranuclear palsy (PSP) is a rare progressive movement disorder, sometimes known as Steele-Richardson-Olszewski syndrome.
Research Posterior cortical atrophy Posterior cortical atrophy (PCA), also known as Benson's syndrome, is a rare degenerative condition in which damage occurs at the back (posterior region) of the brain. In the vast majority of people, the cause of PCA is Alzheimer's disease.
Advice Parkinson's disease Parkinson's disease dementia accounts for around 2 per cent of all cases of dementia in the UK.
Advice Normal pressure hydrocephalus Normal pressure hydrocephalus occurs when excess fluid accumulates in the brain, but without causing pressure to build up in the brain tissue.
Information Niemann-Pick disease type C Niemann-Pick disease type C is one of a group of rare inherited disorders. It is not related to frontotemporal dementia, which is also sometimes called Pick's disease.
Advice Multiple sclerosis Some people with multiple sclerosis (MS) experience a loss of some of their mental abilities. This happens if damage caused by the MS occurs in certain parts of the brain.
Advice Huntington's disease Huntington's disease is an inherited disease causing abnormal movements and problems with coordination.
Advice Corticobasal degeneration (CBD) Corticobasal degeneration (CBD) is a rare disease in which parts of the brain become damaged and begin to shrink.
