Binaural Hearing: Lessons from Evolution . Conference on Neural Dynamics and Computation in honor of John Rinzel NYU Courant Institute June 2009. Tetrapod auditory systems evolved in parallel. Sphenodontidae. Mammalia. Gymno-phiona. Aves. Testudines. Anura. Squamata. Crocodilia.
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Conference on Neural Dynamics and Computation
in honor of John Rinzel
NYU Courant Institute June 2009
Modified from Grothe, Nat. Rev. Neurosci, 2003
Sensitive, high-frequency hearing of airborne sound may be a recent event in vertebrate evolution
ITD detection circuits in the barn owl conform to the Jeffress model
NM neurons project bilaterally to NL to form maps of ITD
Sound signals from left & right ears converge through the two prominent dendrites
From Macleod, 2007
From Ashida, 2007
Diagrams from Grothe and Köppl