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Auditory Localization: Mechanisms & Evaluations for Sound Estimations

Explore the intricate mechanisms of sound localization focusing on timing, intensity, and spectral cues for accurate location estimations. Learn about monaural evaluation techniques used with scanning for optimal results. Reference influential research by Knudsen on auditory system development. Discover critical periods influenced by prism interventions and cage settings.

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Auditory Localization: Mechanisms & Evaluations for Sound Estimations

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  1. Development of the Auditory System

  2. Mechanisms of sound localization 1. timing differences--onset and phase

  3. Mechanisms of sound localization 1. timing differences--onset and phase 2. intensity differences

  4. Mechanisms of sound localization 1. timing differences--onset and phase 2. intensity differences 3. spectral properties

  5. Mechanisms of sound localization 1. timing differences--onset and phase 2. intensity differences 3. spectral properties 4. monaural evaluation of spectral and intensity cues with scanning All are used for best estimate of location

  6. Mechanisms of sound localization 1. timing differences--onset and phase 2. intensity differences 3. spectral properties 4. monaural evaluation of spectral and intensity cues with scanning All are used for best estimate of location

  7. Y-cords No aids Knudsen, E.I. (1984) Trends Neurosci., 7, 326-330.

  8. Knudsen, E.I. (1984) Trends Neurosci., 7, 326-330.

  9. Knudsen, E.I. (1984) Trends Neurosci., 7, 326-330.

  10. Knudsen, E.I. & Knudsen, P.F. (1985) Science, 230, 545-548.

  11. Knudsen, E.I. & Knudsen, P.F. (1985) Science, 230, 545-548.

  12. Knudsen, E.I. & Knudsen, P. F. (1986) J. Neurosci., 7, 1918-1924.

  13. Critical Periods? Prism introduced Prism removed Small individual cages Up to 200 days Up to 70 days Large group aviary Up to 200 days Open ended Adapted from: Brainard, M.S. & Knudsen, E.I. (1998) J. Neurosci., 18, 3929-3942

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