3-year-old baby does not know anything, not necessarily IQ problems, but also need to rule out non-IQ causes, such as personality introversion and other physiological reasons, as well as autism and other diseases caused by the need to analyze the child’s specific symptoms.
1. IQ causes, such as congenital cerebral dysplasia, cerebral palsy, congenital stupidity and other diseases caused by mental retardation, the baby will show developmental delays, cognitive impairment, need to improve the head CT, chromosome examination and other related tests to clarify the condition.
2. Non-intellectual causes
(1) Physiological reasons: for example, introverted babies will have communication disorders, left-behind children, lack of education and other family factors lead to the baby’s cognitive development delay, need to improve through encouragement and corresponding professional training.
(2) Pathological causes: such as autism and other psychiatric disorders, babies with communication disorders, the need for timely medical care, clear condition to give psychological guidance and other symptomatic treatment.
3-year-old babies with related symptoms are recommended to consult a specialist doctor for assessment and diagnosis, and timely targeted treatment.