Does it mean 'that the people in the hallucinations have the limited range of actions'?
Sometimes, she said, before the people come on, she may hallucinate pink and blue squares on the floor, which seem to go up to the ceiling. I said, "Is this like a dream?" And she said, "No, it's not like a dream. It's like a movie." She said, "It's got color. It's got motion. But it's completely silent, like a silent movie." And she said that it's a rather boring movie. She said, "All these people with Eastern dress, walking up and down, very repetitive, very limited."
https://www.ted.com/talks/oliver_sacks_what_hallucination_reveals_about_our_minds
