how do non drug induced Visual Hallucinations work ? what happens in the brain that makes the eyes see something that isn’t there?

Question

how do non drug induced Visual Hallucinations work ? what happens in the brain that makes the eyes see something that isn’t there?

In: 598

Answer 1

[Read](https://www.wired.com/2017/03/book-excerpt-body-builders/#:~:text=Pat%20Fletcher%2C%20blind%20for%20more,Body%20Builders%20by%20Adam%20Piore) about Pat Fletcher, a woman who, 30 years after being blinded in an industrial explosion, discovered an audio device called vOICe which enabled her to SEE WITH HER EARS!