What Changes In Hearing Occur During Infancy?

What Changes In Hearing Occur During Infancy? Hearing is fully developed in newborns. Babies with normal hearing should startle in response to loud sounds, pay quiet attention to the mother’s voice, and briefly stop moving when sound at a conversational level is begun. Newborns seem to prefer a higher-pitched voice (the mother’s) to a low

What Is The Audible Range Can We Hear Sound Waves Having Frequency Of About 100 000 Hz?

What Is The Audible Range Can We Hear Sound Waves Having Frequency Of About 100 000 Hz? According to most sources, the human hearing (frequency) range is between 20 Hz and 20,000 Hz (bats can “hear” up to 100,000 Hz!). Can we hear sound waves having frequency of about 100 000 Hz? No, we can’t

What Determines A Value Of Hearing Threshold?

What Determines A Value Of Hearing Threshold? The value dB (Decibel) which is seen like a unit. It is though a dimensionless number because she reflects the relation between two (sound) intensities ! The more the threshold passes towards lower sound intensity , the more sensitive the ear responds to the corresponding frequency range. What