Cochlear Nucleus:
• VIII nerve: branches -> 3
cochlear nuclei.
– Dorsal Cochlear Nucleus
(DCN)
– Posteroventral Cochlear
Nucleus (PVCN)
– Anteroventral Cochlear
Nucleus (AVCN)
• Tonotopy (through
innervation order)
• Start of true auditory
feature processing.
– Distinct cell classes: stellate
(encode frequency), bushy
(encodes sound onset)
– Different cell types project
to different relay nuclei.