What causes hallucinations? | A condition called Charles Bonnet Syndrome can cause blind patients to hallucinate scenes in vivid color. fMRI studies show that these hallucinations... | By TED-Ed | Facebook
![Visionary Neurologist Oliver Sacks on What Hallucinations Reveal about How the Mind Works – The Marginalian Visionary Neurologist Oliver Sacks on What Hallucinations Reveal about How the Mind Works – The Marginalian](https://www.themarginalian.org/wp-content/uploads/2014/07/sacks.jpg?fit=600%2C315&ssl=1)
Visionary Neurologist Oliver Sacks on What Hallucinations Reveal about How the Mind Works – The Marginalian
![Is Charles Bonnet syndrome real? Can people really see 3D objects or visualize pictures in their head if the mind does not see any visual stimulant from our eyes gathering information? - Is Charles Bonnet syndrome real? Can people really see 3D objects or visualize pictures in their head if the mind does not see any visual stimulant from our eyes gathering information? -](https://pi.tedcdn.com/r/talkstar-photos.s3.amazonaws.com/uploads/9de8df74-d6c6-484e-a0b1-ecad29dcf05c/AnilSeth_2017-embed.jpg?h=316&w=560)