Affected individuals become seemingly immobile and do not respond to any outside stimuli.
People will less serious symptoms might still mutter "mmhmm" or "yup" in response to another person speaking to them, even though they haven't really heard them.
More serious symptoms include loss of the ability to blink, dry eyes, loss of weight, loss of sleep, and inability to respond to most stimuli.
Doll Syndrome is usually fixed by turning off the source, usually a television or computer.
Doctor: It appears that your son has a bad case of Doll Syndrome.
Father: Did you mow the lawn yet today?
Father: It doesn't look like you did!
Father: Damnit! Put down that game and listen to me!