The brain and illusions
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The brain and illusions
What can illusions teach us about the brain?
Curated by Gerald Carey
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Notes from Two Scientific Psychologists: Breaking the (ecological) law: why illusory sounds don't make for safer cars

Notes from Two Scientific Psychologists: Breaking the (ecological) law: why illusory sounds don't make for safer cars | The brain and illusions | Scoop.it

"Electric cars are great for the environment, but they come with a problem - they're too quiet, and this makes them dangerous to pedestrians used to the loud noises of the internal combustion engine. One idea is to add noise to the cars, and Mark Changizi recently wondered whether perceptual psychologists could help design a better sound, using an illusion. I don't think it would work, and the reason is a nice example of why it's important to understand the relationship between the world and perceptual information about the world."

[A follow up to a previous post about adding the illusion of sound to the almost silent electric car. This excellent post describes in some detail why it won't work. - GC]

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Julian Treasure: The 4 ways sound affects us | Video on TED.com

TED Talks Playing sound effects both pleasant and awful, Julian Treasure shows how sound affects us in four significant ways. Listen carefully for a shocking fact about noisy open-plan offices.
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For Stealthy Electric Cars, Auditory Illusions Could Save Lives | The Crux | Discover Magazine

For Stealthy Electric Cars, Auditory Illusions Could Save Lives | The Crux | Discover Magazine | The brain and illusions | Scoop.it

The silent purr of an electric car is a selling point over the vroom of a gasoline engine, but it comes with an undesirable side effect: An electric car can pounce on unsuspecting passerbys like a puma on prey. In fact, the NHTSA found that hybrid electric cars are disproportionately dangerous to pedestrians. To deal with this problem, it has been proposed that sound be added to hybrid and electric vehicles, whether it be bird-songs or recordings of someone making “vroom vroom” sounds

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