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Try this bizarre audio illusion! 👁️👂😮 - BBC

BBC · demo · Watch on YouTube

Neuroscience & the brainMagic, puzzles & curiositiesLanguage & linguistics

What it is

A BBC Horizon clip demonstrating the McGurk effect, where the same audio sounds like different syllables depending on the mouth movements you see. It shows that people integrate visual speech information into what they hear.

Why Hacker News recommends it

HN uses it as the standard demonstration that the brain reinterprets perception, in threads on speech, AI audio and illusions.

  • 2 people recommended it
  • 2 different months
  • 0 strong recommendations
  • first 2011, last 2020

What HN commenters said

  1. “The most compelling illustration I've seen of this is the McGurk Affect[1].”

    Compelling illustration of the brain fooling itself

    lunarscape, 2012-07 · Recommendation · in “Why You Won’t See Hard AR Anytime Soon”

  2. “If you like this sort of thing, and haven't heard of the McGurk Effect before, take a look at this”

    Introduction to the McGurk effect for illusion fans

    kkylin, 2017-08 · Recommendation · in “Can you make your brain not see this circle illusion?”

Excerpts from Hacker News comments, linked to the originals. Summaries and labels were written by a language model from those comments.

Topics: perception, auditory illusion, speech, lip reading, neuroscience

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