Study shows that perception is tied to movement
Our fingers run over surfaces; our eyes are in constant motion. This is all a part of "active sensing," key principles of which have now been uncovered by a Weizmann Institute study.
"We intuitively understand that active sensing should provide the brain with information very different from that which is acquired by mere passive sensing, (e.g. feeling without finger movement)," says Prof. Ehud Ahissar of the Neurobiology Department, "yet current experiments nearly always keep the organs stationary." Much of his recent research focuses on discovering how the sensory nerves in these organs perform when in motion. Such research, he hopes, will deepen our understanding of perception, and help optimize the design of artificial sensory aids for the deaf and blind.
Alex Smith | EurekAlert!
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