Journal
BEHAVIOURAL BRAIN RESEARCH
Volume 206, Issue 1, Pages 1-7Publisher
ELSEVIER
DOI: 10.1016/j.bbr.2009.08.015
Keywords
Primate auditory cortex; Dual-stream processing; Macaque; Serial; Parallel processing
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Funding
- NIA NIH HHS [R21 AG024372-02, R21 AG024372] Funding Source: Medline
- NIDCD NIH HHS [R01 DC009224-03, R01 DC002371-04, R01 DC007172, R01 DC009224, R01 DC007172-06] Funding Source: Medline
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Over a decade ago it was proposed that the primate auditory cortex is organized in a serial and parallel manner in which there is a dorsal stream processing spatial information and a ventral stream processing non-spatial information. This organization is similar to the what/where processing of the primate visual cortex. This review will examine several key studies, primarily electro physiological, that have tested this hypothesis. We also review several human-imaging studies that have attempted to define these processing streams in the human auditory cortex. While there is good evidence that spatial information is processed along a particular series of cortical areas, the support for a non-spatial processing stream is not as strong. Why this should be the case and how to better test this hypothesis is also discussed. (C) 2009 Elsevier B.V. All rights reserved.
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