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Asked by Mimuna04 to Jimi on 15 Mar 2016.
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Jimi Wills answered on 15 Mar 2016:
Yes and no…
On the whole, one person’s brain is the same colour as the next.
But the different tissues in the brain are different colours. Especially “white matter” and “grey matter”. White matter is nerve cells that have a special covering called a myelinated sheath that helps to speed up the signals. Grey matter is nerve cells that do not have this.
There are some parts of the brain that are a darker grey/red colour, like the Substantia nigra – which is the bit that make dopamine and is important in Parkinson’s disease. They are darker because they contain neuromelanin.
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Comments
Sammy commented on :
What is a Parkinson’s disease?
Galilee commented on :
Good question
Mimuna04 commented on :
I thought that our brains would all be the same colour because they have the same kind of job.
I’m really interested.
😉