The science of hearing - Douglas L. Oliver

What are the two main parts of the auditory system?

• They eyes and the nose.

• The ears and the brain.

• The nose and the mouth.

What can sound waves travel through?

• Just air

• Just liquids

• Just solids

• Through air, liquids, and solids

What is your inner ear filled with?

• gas

• fluid

• wax

What are the 3 major parts of the ear?

• outer ear

• middle ear

• inner ear

• all of the above

What happes when the eardrum vibrates?

• It creates a sound like the banging of a drum.

• It pushes the fluid through the cochlea.

• It vibrates 3 tiny bones within the ear.

The inner ear is lined with

• hair cells

• wax

• mucas

What makes the stereocilia (hair cells) move?

• They move when they feel like moving

• They move when the fluid of the inner ear vibrates.

How do the signals get from the inner ear to the brain?

• through the spinal cord

• through the auditory nerve

What does the brain do with the signal from the auditory nerve?

• interprets it as a specific sound

• deflects it

• silences it

TRUE or FALSE: To figure out where a sound is coming from, your brain must compare the sound coming into each ear to locate the sound in space.

• TRUE

• FALSE