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Your Brain Hallucinates Your Conscious Reality | Anil Seth | TED

TED · talk · Watch on YouTube

Consciousness & cognitionNeuroscience & the brain

What it is

Neuroscientist Anil Seth argues in this TED talk that perception is a controlled hallucination: the brain constantly predicts the world and our shared agreement is what we call reality. He also touches on the construction of the self.

Why Hacker News recommends it

HN cites it whenever threads touch consciousness, perception or predictive-processing, especially for its examples of expectation changing what you perceive.

  • 2 people recommended it
  • 2 different months
  • 0 strong recommendations
  • first 2017, last 2026

What HN commenters said

  1. “If you are intrigued by the question of the original article you might like the TED talk.”

    TED talk relevant to questions about consciousness

    hcarvalhoalves, 2019-07 · Recommendation · in “What If Consciousness Comes First?”

  2. “This TED talk has a great example where the same sound sounds different to you based on what you expect to hear”

    Demonstrates expectation changing perception; brain as prediction machine

    guerrilla, 2021-11 · Recommendation · in “To be energy-efficient, brains predict their perceptions”

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

Topics: predictive processing, neuroscience, controlled hallucination, consciousness, ted talk

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