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8 years ago|221.2K views

National Geographic: Test Your Brain Episode 2 - Perception

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Episode 2: Perception
You may not realise it, but our brains are being fooled all of the time - especially by Hollywood filmmakers. Experimental neuroscientist Beau Lotto guides you through the mind-bending world of optical illusions, showing you how our brains 'fill in' crucial information, enabling people to 'feel' with their eyes and 'see' with their ears.
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