He had somehow contrived to fall out of bed, and was now sitting on the floor, carrying on and vociferating, and refusing to go back to bed. Could I come, please… I found the patient lying on the floor by his bed and staring at one leg.
Sacks presents the leg as the site of neuropsychological alienation, where the patient’s refusal to claim the limb as his own dramatizes the collapse of body-image identity.
, The Man Who Mistook His Wife for a Hat, 1985thesis