An infant with normal hearing should be able to do the following:
Around the age of 2 months
- Be scared by loud sounds
- Becalmed by familiar voices
- Make exclamations such as “oh”
Around the age of 4 months
- Try to locate the source of sounds
- Begin to “chatter”
- Begin screaming and chuckling
Around the age of 6 months
- Turn the head towards loud sounds
- Begin to mimic the sound of speech
- Say words like “ma-ma”
Around the age of 9 months
- Mimic the sound of other people’s speech
- Understand “no” and “hi”
- Turn the head towards soft sounds
Around the age of one
- Use the words Mom or Dad correctly
- Offer its toys when asked to do so
- Respond to songs and music
