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What Is the Capacity of Our Brain?

"We use only 10 % of our brain capacity" Is this information true ? (...)

Comment 4

This is complete bunk. In fact, this was one of the topics of a written final exam in one of my neuroscience classes in college: we had to find several examples of neuroscience "b.s." and debunk them.

Suffice to say there is absolutely NO basis for this assertion. The statement is basically meaningless without some definition of "capacity", but assuming any natural meaning (e.g., functionality), it is flatly false. No part of our brains can be removed without having some detrimental effect, and certainly nobody can live and function on only 10% of their brain.

I've never been able to track down the origin of this myth. If anyone knows where it first appeared, I would be very interested to know.

Joseph J. Strout Department of Neuroscience, UCSD |

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comment 5

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