Question

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question 1
0.2 points
what led to the myth that humans use only 10 percent of our brains?
a scientists electrically probed the association areas of the brain and received no response.
b \scientists noticed that when they severed the corpus callosum of most patients, it had no effect on their behavior.\
c phineas gages horrible accident had no detectable effect on his brain.
d this is not a myth; humans use only 10 percent of the brain.

Explanation:

The myth that humans use only 10 percent of their brains originated in part from early neuroscience experiments where scientists electrically probed the association areas of the brain and received no obvious responses, leading to the idea that these areas were 'unused'. Severing the corpus callosum and the Phineas Gage case are not related to this myth, and it is indeed a myth as humans use most of their brain.

Answer:

A. Scientists electrically probed the association areas of the brain and received no response.