I don’t think this is the movie you’re referring to, but Until the End of the World has a similar device to record images from the brain. At first it is used to

I don’t think this is the movie you’re referring to, but Until the End of the World has a similar device to record images from the brain. At first it is used to help a blind woman see. But later people start using it to record their dreams and then watch them—which becomes addictive.