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How much of what you see is a hallucination? - Elizabeth Cox

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TEDEd Animation

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A condition called Charles Bonnet Syndrome can cause blind patients to hallucinate scenes in vivid color. fMRI studies show that these hallucinations activate the same brain areas as sight — areas that are not activated by imagination. Other hallucinations also involve the same brain areas as real sensory experiences. What's going on? Elizabeth Cox details the science of hallucinations.

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TED-Ed Animations feature the words and ideas of educators brought to life by professional animators. Are you an educator or animator interested in creating a TED-Ed Animation? Nominate yourself here »

Meet The Creators

  • Educator Elizabeth Cox
  • Director Alessandro Durando
  • Narrator Susan Zimmerman
  • Compositor Alessandro Durando
  • Art Director Alessandro Durando

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