Investigating the Reasons Why a 2-Year-Old Girl Frequently Lays in Bed with a Stiff Body

The baby has high muscle tone in the left hand, and an MRI revealed underdevelopment of the right brain. The right hand also has high muscle tone, and the baby has undergone rehabilitation therapy and intravenous medication, but the effects have been not obvious. At 19 months old, the baby still exhibits behaviors such as eating non-food items, needing to touch hair to fall asleep, and walking with the toes down. Inquiry about whether these situations are normal and how to handle them.