| Show BRAIN ACTION JL A n has round found out exactly how rapidly we think Holm H hols showed that a wave of thought would require about a minute to travel a mile of nerve and hersch found that a touch on the face was roe by the brain and responded to by a manual signal in the seventh of a se second corid lie ile also found says Dr drakes alces Magn magazine zine that the speed of sense differed for different f organs the sense of hearing being responded to in the sixth of a second while that of si sight ht required one afif fifth th of a second to be felt and sigri signaled aled in all these theae cases the distance travers traversed cd was about the same came so the inference is that images travel more slowly aban sounds or touch it still remained however to show the portion of this interval taken up by the action of the brain prof donders bonders by bv very delicate apparatus haa demon demonstrated estimated sti mated this to be about seventy five thousandths of a second of tho whole interval forty thousandths are occupied in the simple act of recognition and thirty five thousandths for tho the wt act of willing response |
