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Mechanisms and streams for processing of “what” and “where” in auditory cortex Joseph P. Rauschecker 1 , Biao Tian 1 , Hideo SAKATA 2 1Georgetown Institute for Cognitive and Computational Sciences 2Department of Anatomical Physiology, Seitoku Nutrition Junior College Keyword: サル聴覚野 , monkey auditory cortex , 複合音 , complex sounds , 外側ベルト領域 , lateral belt area , サルの鳴声 , monkey calls , 「空間」経路 , spatial stream , 「対象」経路 , object stream , ヒト聴覚野 , human auditory cortex pp.91-101
Published Date 2002/2/10
DOI https://doi.org/10.11477/mf.1431901336
  • Abstract
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The functional specialization and hierarchical organization of multiple areas in rhesus monkey auditory cortex were examined with various types of complex sounds. Neurons in the lateral belt areas of the superior temporal gyrus were tuned to the best center frequency and bandwidth of band-passed noise bursts. They were also selective for the rate and direction of linear frequency modulated sweeps. Many neurons showed a preference for a limited number of species-specific vocalizations (“monkey calls”). These response selectivities can be explained by nonlinear spectral and temporal integration mechanisms.


Copyright © 2002, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1243 印刷版ISSN 0001-8724 医学書院

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