Lecture 1 - 03.01.11

Lecture 1 - 03.01.11 - 3rd January 2011 Psych 120B Lecture...

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3 rd January 2011 Psych 120B – Lecture 1 Sensation and Perception A Simple Question Which do you think is more complex? o Playing Chess o Detecting a chair in a room Detecting a Chair in a Room Do we have a computer program that can play chess? Yes Do we have a computer program that can reliably detect a chair in a scene? Not really. Sensation and Perception: far from trivial Sensation and Perception: VERY COMPLEX o Things that are very easy for us to perceive are extremely complicated computational problems. They are easy for us because they are so important that the brain had to come up with very good ways of solving these problems, if not, we would not have survived as a species. Evolution has taken millions of years to refine and develop these complicated algorithms for perception. Poorly understood – colour, shape and depth perception are poorly understood. o
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Lecture 1 - 03.01.11 - 3rd January 2011 Psych 120B Lecture...

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