A baby before the full moon
1. When you hear sudden noise, you will have physiological reflexes, such as jumping, closing your eyes, holding your arms on your chest, shaking your limbs, awakening, etc. When you hear a sound when you are awake, you will turn your eyes and head to find the source of the sound.
When you hear a friendly or familiar voice, you will stop crying. When you hear your mother's voice, you will have an expression reaction.
1-3 months baby
1. When you lie still and open your eyes, you will close your eyelids if you hear a sudden sound.
2. When crying or moving your hands and feet, you will stop crying or stop moving when you hear a sudden sound.
3. Make a noise near him (such as ringing a bell), and sometimes slowly turn your face away.
Whenever I hear soft and sweet music, I will smile and listen quietly.
5. When you suddenly hear screaming or harsh music (such as rock music and percussion music) during sleep, you will show fidgety appearance such as whole body twisting, trembling hands and feet.
6. Sneeze, alarm clock, etc. when adults tease with language or the surrounding environment is noisy. They can respond with "Oh", "Ah" and "Woo" or laughter.
4-5-month-old babies have the ability to orient the sound they hear (ring the bell about 15 cm behind the baby's ear, and if the baby hears it, he will turn his head to find the sound source in the direction of sound production).
6-7 months old baby
1, accustomed to the perception of sound, can actively find the sound source.
When his name is called, he will turn to the caller to show his answer.
When talking and singing with him, he can look at you quietly, look at your mouth shape and make a sound to "answer".
When the TV and radio are turned on, he can be very sensitive to the sound source.
8-9 months old baby
1, understand simple language, and express the meaning of phrases with actions under the guidance of adults, such as clapping your hands to say "welcome" and waving your hands to say "goodbye".
2. Show concern for various external sounds (such as car sounds, thunder, dog barks) (suddenly turn to look).
3. Can imitate the sounds of animals and laugh.
When he is in a good mood, he will take the initiative to make a sound, imitating the sound taught by his parents.
When you hear reprimands such as "No" and "Hello", you will retract your outstretched hand or cry.