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What is Posterior Cortical Atrophy?

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Posterior Cortical Atrophy, or PCA, is a specific form of Alzheimer’s that affects the back of the brain. Author Terry Pratchett was diagnosed with it. (Video+Article)

Posterior Cortical Atrophy, or PCA, is a rare form of Alzheimer’s disease that affects the back of the brain, the occipital lobe. It is the type of Alzheimer’s disease with which the author Terry Pratchett was diagnosed.

Terry continued to publish books after his diagnosis until he passed away in 2015 from PCA-related complications.

The symptoms of PCA are very specific. Since this part of the brain is responsible for visual processing, people with PCA have difficulty distinguishing colours and shapes, they struggle to recognise faces and lose the ability to read.

Often the classic symptoms of Alzheimer’s disease, such as memory loss, do not appear until much later on. This means that PCA is often mis-diagnosed or only picked up in the very late stages.

It is likely that PCA is more common than we might think since it is often dismissed as problems with eyesight associated with old age.


SOURCE:
Alzheimer’s Society

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B. Berger

B. Berger

This site was inspired by my Mom’s autoimmune dementia.

It is a place where we separate out the wheat from the chaffe, the important articles & videos from each week’s river of news. With a new post on Alzheimer’s or dementia appearing on the internet every 7 minutes, the site’s focus on the best information has been a help to many over the past 15 years. Thanks to our many subscribers for your supportive feedback.

The site is dedicated to all those preserving the dignity of the community of people living with dementia.

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This site was inspired by my Mom’s autoimmune dementia.

It is a place where we separate out the wheat from the chaffe, the important articles & videos from each week’s river of news. With a new post on Alzheimer’s or dementia appearing on the internet every 7 minutes, the site’s focus on the best information has been a help to many over the past 15 years. Thanks to our many subscribers for your supportive feedback.

The site is dedicated to all those preserving the dignity of the community of people living with dementia.

Peter Berger, Editor

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