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user-inactivated · 3939 days ago · link · · parent · post: The Machine That Tried To Scan The Brain — In 1882 : NPR
I am having trouble believing that we had scales that accurate in the late 19th century.Mosso reasoned his volunteer's brain would have to process the sound, requiring more blood, making it weigh more, which would tip the scale toward the head's side. According to his manuscripts, that's exactly what happened.