Mon Prof Augmenté
From Ear to Brain
Age 15 · Biology
Sound enters the ear and becomes electrical pulses. The auditory nerve sends these pulses to the brain, which identifies the sound and its source in milliseconds.
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Age 15: open this week
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In the picture
- The ear: gathers sound vibrations from the air.
- The auditory nerve: carries electrical pulses toward the brain.
- A pulse: a brief electrical signal traveling along the nerve.
- The brain: identifies the sound and its source.
Examples
- Hearing a phone ring and knowing it is in another room.
- Recognizing a friend’s voice on a busy street.
Key takeaways
- Auditory nerves carry electrical pulses, not sound itself.
- The brain identifies a sound and its source in milliseconds.
Quiz: From Ear to Brain (Age 15)
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What do auditory nerves carry toward the brain?
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What does the brain do with the pulses from the auditory nerve?
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How quickly does the brain identify a sound and its source?
The answers, each with its explanation, are in the app. This lesson has left the free week, so its quiz is part of the subscription.
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