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AHOP - TASK 1 SOUND IN THE BRAIN (Localisation of sound (where)…
AHOP - TASK 1
SOUND IN THE BRAIN
Properties
sound waves
(physical, perceptual)
amplitude
Loudness
Frequency
Pitch
Fundamental
frequency
repetition
rate
Effect of missing
fundamental
Timbre
Displaying
properties
Spectrum
(spectra)
amplitude
Frequency
Spectrogram
WHAT
= ventral stream
Frequency
Pitch
Timbre
Amplitude
Loudness
Functional anatomy
Outer ear
Pinna
Localisation
Auditory canal
protection
Amplification
(resonance)
Eardrum
constant
temperature
air
Middle ear
Ossicles
Malleus
Incus
Stapes
Air-liquid problem
oval window
Inner ear
Cochlea
place theory of hearing
Place coding
frequency
pitch
Timbre
tonotopy
(cochleatopy)
Maximal
displacement
highest firing
Phase locking
frequency
(burst-interval-burst)
Liquid
Fourier analysis
Cochlea
Apex
low Fred
Base
high Fred
Cochlear partition
Organ of cortical
Hair cells
(cilia)
bending
transduction
open = transmitter
release (nerves)
electrical signals
up-down
Tectorial membrane
back-forth
Basilar membrane
Scala vestibuli
Scala tympani
Auditory pathway
Cochlear
nucleus
superior olivary
nucleus (SON)
Inferior colliculus (IC)
medial geniculate
nucleus (MGN)
primary auditory
area (core)
belt
parabelt
Localisation
of sound
(where)
Interaural time/level difference
Binaural cues
Head forms boundary
Acoustic shadow
Monaural cues
dorsal stream