Vision Guides the Adjustment of Auditory Localization in Young Barn Owls

Barn owls raised with one ear plugged make systematic errors in auditory localization when the earplug is removed. Young owls correct their localization errors within a few weeks. However, such animals did not correct their auditory localization errors when deprived of vision. Moreover, when prisms...

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Bibliographic Details
Published inScience (American Association for the Advancement of Science) Vol. 230; no. 4725; pp. 545 - 548
Main Authors Knudsen, Eric I., Knudsen, Phyllis F.
Format Journal Article
LanguageEnglish
Published Washington, DC The American Association for the Advancement of Science 01.11.1985
American Association for the Advancement of Science
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Summary:Barn owls raised with one ear plugged make systematic errors in auditory localization when the earplug is removed. Young owls correct their localization errors within a few weeks. However, such animals did not correct their auditory localization errors when deprived of vision. Moreover, when prisms were mounted in front of their eyes, they adjusted their auditory localization to match the visual error induced by the prisms, as long as the visual and auditory errors were within the same quadrant of directions. The results demonstrate that, during development, the visual system provides the spatial reference for fine-tuning auditory localization.
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ISSN:0036-8075
1095-9203
DOI:10.1126/science.4048948