Jay Giedd jgiedd at helix.nih.gov
Thu Dec 29 18:44:44 EST 1994

On 22 Dec 1994 00:54:57 -0800, 
Ma Yinhao  <yhm at MATH03.MATH.AC.CN> wrote:

>>Dear friends:
>>I am trying to a calculation about brain complexity, but I am not certain about
>>How many neurons there are in a man's brain. 
>>Would you please share your experience with me?  Any suggestion
>>would be appreciated.  Thank you in advance.
>Thanks !
10 billion neurons and 5-10x as many glial cells.

Jay Giedd, M.D.
(301) 496-6081
NIMH/Child Psychiatry Branch

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