Auditory Pathway
•Different pathways to analyze:
–Structure of sound
–Localization of sound
•Important structures:
–Auditory nerve (50,000 fibres)
–Cochlear nuclei (monaural)
–Relay nuclei (olive) in the
brain stem (localization)
–Medial geniculate nucleus
–Auditory cortex (tonotopy !)
(From Sekuler & Blake, 1994)
AN: encodes f and amplitude (log)