Audition

Where does sound come from?

Wavelengths we hear externally and is transduced internally

What are the three physical properties of sound?

Loudness, pitch, and timber

What structure is responsible for transduction in the auditory domain?

The cochlea

What is the nature of transduction?

Mechanical

How do ion channels open in the first place? (aka what is depolarization)

When ion receptors open causing the hairs to bend and begin to transduce

What two differences between the ears allow us to estimate the location of a sound?

Intensity and timing

What’s the difference between the inner and outer hair cells in the cochlea?

The inner hair cells bend starting transduction for wavelengths, while the outer cell protects the inner hair damage from loud noises

How is information organized in early auditory cortex?

Tonotopic organization

What is Tonotopic Organization?

How we tell the difference from different frequencies in sound

What kind of deafness are treatable by a cochlear implant?

Anything at or before transduction

What are the essential elements of a cochlear implant?

Microphone, signal processor, and electrode

What is a microphone?

It picks up sound

What is Signal Processor

Turns sound into frequency we can hear

What is a Electrode?

It stiumlates auditory nerve the way the cochlea would