Doesn't say anything about death "The symptoms could include retarded physical development, and disruption of perceptual-motor skills and language." Even if th

Doesn't say anything about death "The symptoms could include retarded physical development, and disruption of perceptual-motor skills and language." Even if they did die is quite a stretch to assume they willed themselves dead. Infant lack a mental concept of death or dying to even be able to will themselves dead. As for a cause, I would assume something similar to amblyopia.