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Sound localization in the owl: representation and control
Brain Mechanisms Student’s Choice Topics
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Why the Owl Aural predator – hunt’s with sound localization
Phase locking ability -- upwards of 10 kHz Strong dependence on ITD cues over wide frequency range
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Jeffress coincidence detection
ITD Coding Optimal coding Vs. Jeffress coincidence detection
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Discussion topics ITD coding in the Inferior Colliculus
Limitations of current models “physiologically relevant” range Pi limit Distribution of interaural time difference in the barn owl’s inferior colliculus in low- and high-frequency ranges Wagner et al., 2007
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Topics Preservation of spectrotemporal tuning between the nucleus laminairis and the inferior colliculus of the barn owl Christianson and Pena, 2007
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Topics Top-down gain control of the auditory space map by gaze control circuitry in the barn owl Winkowski and Knudsen, 2006
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