Sound and ear Flashcards
What is sound
Important for evolution = communication
Sound comes from pressure flucatuations in air
=compression and refractioon
Tuning fork
Changes in air pressure
Describe amplitude
Aa
Describe shape of sound wave
A
Describe frequency - Gen
A
Describe sound pressure
A
Describe loudness
A
0db
A
Describe logarithmic scaling of sound scale
A
Describe loudness - specifically
A
Define pitch
A
Define frequency
A
What are pure tones
A
Describe audibility scale
A
Describe equal lowness curve
A
Explain equal loudness curve
A
Describe complex sounds
A
What do many sounds have
A
Describe harmonic spectrum - Gen
A
Describe harmonic spectrum - fundamental frequency
A
Describe harmonic spectrum - timbre
A
Describe harmonic spectrum - jump rope ex
A
Lowest perceived pitch
A
Define auditory canal
A
Describe tympanic membrane
A
Describe ossicles
A
What makes up outer ear
A
Describe cochlea
A
Describe oval window
A
Describe round window
A
Describe cochlear auditory nerve
A
Describe tensor tympani muscle
A
Describe middle ear
A
What is sound transduction
A
Describe organ of corti
A
Describe basilar membrane
A
Describe tectorial membrane e
A
Describe hair cells
A
How do hair cells create action potentials
A
Describe cochlear place code
A
Cochlear place code = cochlear base
A
Cochlear place code =cochlear apex
Aa
Describe temporal encoding of frequency = describe
A
Volley principle
A
Describe system in general - which sides of brain
A
Define cochlear nucleus
A
Define superior olive
A
Describe inferior colliculus
A
Describe medial geniculate nucleus
A
Describe primary auditory cortex
A
Describe tonotopy
A
Describe belt region
A
Describe parabelt region
Ad
Describe where pathway
A
Describe what pathway
A
What interacts with what and where pathways
A
Speed of sound through air and water
Air = 340m/s
Water = 1500m/s
