National Geographic: Test Your Brain Episode 2 - Perception

  • 12 years ago
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.