Types of Dementia
Dementia is an umbrella term for several neurodegenerative disorders which affects thinking, behaviour and daily functioning. Several types of dementia exist with the most common forms being listed below. Having multiple types of dementia at once is common and is referred to as ‘mixed’ dementia (for example, Alzheimer’s Disease and Frontotemporal dementia).
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Most common type of dementia, forming 60-70% of all cases.
Main symptom is memory loss which includes episodic memory (for example, trouble remembering specific events such as wedding day or birthday).
Caused by changes in the brain, including abnormal accumulation of proteins known as amyloid plaques and tau tangles.
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Usually mixed with other forms of dementia such as Alzheimer’s disease.
Includes difficulty with problem-solving, slow thinking and loss of focus.
Results from issues with blood circulation such as stroke or bleeding into or around the brain.
Associated with cardiovascular risk factors.
[vc_custom_heading text=”Dementia with Lewy bodies” font_container=”tag:h2|font_size:30|text_align:left|color:%23000000″ google_fonts=”font_family:Lato%3A100%2C100italic%2C300%2C300italic%2Cregular%2Citalic%2C700%2C700italic%2C900%2C900italic|font_style:400%20regular%3A400%3Anormal”]
Main symptoms are changes in cognition, memory, and movement.
Symptoms can fluctuate making it difficult to diagnose.
Visual hallucinations are a common symptom.
Caused due to presence of abnormal deposits of the protein alpha-synuclein called Lewy bodies.
[vc_custom_heading text=”Frontotemporal dementia” font_container=”tag:h2|font_size:30|text_align:left|color:%23000000″ google_fonts=”font_family:Lato%3A100%2C100italic%2C300%2C300italic%2Cregular%2Citalic%2C700%2C700italic%2C900%2C900italic|font_style:400%20regular%3A400%3Anormal” css=”.vc_custom_1629244247880{padding-top: 20px !important;}”]
Main symptoms are changes to behaviour, personality, and language.
Associated with atrophy in the frontal and temporal lobes of the brain.
Has an earlier onset than other forms of dementia – after 35 years.
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