Sound localization

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Sound localization
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Questions

• What is the Behavior?
• What is the Adaptive Signficance?
• What is the Phylogenetic Context?
• What is the Natural History of the Species?
• Amenity to study / morpho specializations
• What is the neural basis of the behavior?

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What is sound?
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Sound properites

• Intensity
• Frequency
• Temporal structure
• Location

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ITD and ILD
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Sound in Water and in Air

• In Air 331.45 m/s 0.6 m/s Deg C
• (1100 feet per second, 750 mph)
• In Water 4 times faster
• 1400 m/s
• speed with depth and temp (3000 ft deep
  slowest)

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Lateral line
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Lateral line Shark
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Canals
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Mechanoreceoptors
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Mechanics
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Fish Feeding Path
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1
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4
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7
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Dolphin Jaw
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Ichthyostega
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Fossil Ichtheostega
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Bolt and Lombard
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Organ of Corti - SEM
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Impedance matching
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Frequency representation
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Coiled
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Spectral information
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Temporal Information
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Barn Owls Busted it wide open
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In Complete Darkness
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Konishi and Knudsen
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Kool Owl Photo
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Peripheral adaptations
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Behavioral Measures
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Comparisons
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Great Horned, Burrowing, Saw Whet Owls
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Symmetric and Assymetric
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Jeffress Model
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Laminaris
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ITD and IID converge in Torus
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Transfer functions in cats
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More HRTFs
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Cat ascending
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Mammalian Sound Localization
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