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  Auditory compensation of the effects of visual deprivation in the cat's superior colliculus

Rauschecker, J., & Harris, L. (1983). Auditory compensation of the effects of visual deprivation in the cat's superior colliculus. Experimental Brain Research, 50(1), 69-83. doi:10.1007/BF00238233.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0006-02CB-3 Version Permalink: http://hdl.handle.net/21.11116/0000-0006-02D5-7
Genre: Journal Article

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Rauschecker, JP1, 2, Author              
Harris, LR, Author
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1Former Department Structure and Function of Natural Nerve-Net , Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497803              
2Max Planck Institute for Biological Cybernetics, Max Planck Society, Spemannstrasse 38, 72076 Tübingen, DE, ou_1497794              

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 Abstract: Neurones in the superior colliculus of normal and visually deprived cats were analyzed for their responses to visual, auditory and somatosensory stimuli. The percentage of auditory-responsive cells throughout all layers had increased from 11% to 42% after binocular deprivation. Some auditory responses were found even in superficial layers. The number of somatosensory responses, though not systematically tested, was also higher in the visually deprived animals. Visually responsive units did not significantly decrease in number, thus resulting in an increased proportion of multisensory neurones. The vigour of auditory responses had increased after visual deprivation, while the vigour of visual responses had decreased significantly. In addition to the auditory effects of visual deprivation found, our study confirms previous findings on the visual effects of visual deprivation in the superior colliculus. Since only qualitative changes of visual responses, but no suppression of visual by non-visual activity was found, the neuronal mechanisms responsible for these changes may be different from competition as present in the visual cortex.

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 Dates: 1983-04
 Publication Status: Published in print
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 Identifiers: DOI: 10.1007/BF00238233
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Title: Experimental Brain Research
  Other : Exp. Brain Res.
Source Genre: Journal
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Publ. Info: Heidelberg : Springer-Verlag
Pages: - Volume / Issue: 50 (1) Sequence Number: - Start / End Page: 69 - 83 Identifier: ISSN: 0014-4819
CoNE: https://pure.mpg.de/cone/journals/resource/954925398496