When a baby is born, it can neither hear nor see the sounds of the outside world. As the body gradually develops, the functions of various organs will gradually develop. Generally, a newborn baby can hear the outside world a few days after birth. So is the hearing of a baby the same as that of an adult? Do babies hear better than adults?Generally speaking, the hearing of newborns is different from that of adults. Compared with adults, the hearing of newborns may be much worse, after all, the baby is just born and all parts of the body are not fully developed. When the baby is in the mother's womb, it is usually impossible to check whether the baby's hearing is normal. After the baby is born, the doctor will do a hearing screening for the baby. Newborn babies can feel sound waves, but because there is no air in the tympanic cavity, the hearing of newborns is much weaker than that of adults. However, newborn babies are in a sleeping state most of the time and will not be disturbed by much environmental sound. As the newborn grows, its hearing sensitivity gradually increases, and by the time the newborn is about 2 years old, its hearing level gradually approaches that of an adult. Before the newborn's hearing is fully developed, it is recommended that parents must protect the baby's hearing, avoid exposing the baby to excessive noise, keep the baby in a rocking car, and avoid taking the baby to places with too much noise, such as KTV, movie theaters, bars, etc. What to eat during pregnancy can help your baby's hearing developmentContains carotene and vitamin ARepresentative foods: pumpkin, tomato, lettuce, carrot Efficacy: It can provide nutrition to the sensory cells of the inner ear and the epithelial cells of the middle ear, and enhance the vitality of ear cells. Contains zincRepresentative foods: fish, dairy products, beef, mutton, lean meat, sesame, soybeans, peanuts, etc. Efficacy: Promote fat metabolism and protect ear arteries. Contains magnesiumRepresentative foods: bananas, pineapples, spinach, kelp, seaweed, red dates, grains, etc. Efficacy: Lack of magnesium in the ear artery will affect the function of the ear artery and lead to hearing loss. With Vitamin D and CalciumRepresentative foods: skim milk, calcium tablets, etc. Efficacy: It can not only maintain the small bones in the tympanic cavity, strengthen the ear bones, and avoid otosclerosis like osteoporosis, but also purify the ear artery and improve ear function. Hearing development in newbornsAt birth, there is no air in the tympanic cavity and hearing is poor. 3-7 days after birth, they have better hearing; At 3 to 4 months, they can hear sounds, turn their heads to find the source of the sound, and smile when they hear pleasant sounds; 7-9 months: can identify the source of sound, distinguish the meaning of language, and distinguish different sounds; 13-16 months: can find the source of sounds of different loudness, understand the content, know their own names, and imitate; At 4 years old, the hearing is fully developed and the child can listen and communicate normally. |
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