sharista giles of sweetwater , tennessee , went into a coma after a car accident in december .
doctors forced delivery of her baby in january and giles opened her eyes for the first time earlier this month .
she is still nonverbal and is on a ventilator to help her breathe , but has moved her head when she recognizes voices .
her mother , anna moser , believes giles will make a full recovery and will be able to raise her son on her own .