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Science 9 November 1990:
Vol. 250. no. 4982, pp. 818 - 820
DOI: 10.1126/science.2237432
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Articles

Science, Vol 250, Issue 4982, 818-820
Copyright © 1990 by American Association for the Advancement of Science

articles

A map of visual space induced in primary auditory cortex

AW Roe, SL Pallas, JO Hahm, and M Sur

Department of Brain and Cognitive Sciences, Massachusetts Institute of Technology, Cambridge 02139.

Maps of sensory surfaces are a fundamental feature of sensory cortical areas of the brain. The relative roles of afferents and targets in forming neocortical maps in higher mammals can be examined in ferrets in which retinal inputs are directed into the auditory pathway. In these animals, the primary auditory cortex contains a systematic representation of the retina (and of visual space) rather than a representation of the cochlea (and of sound frequency). A representation of a two-dimensional sensory epithelium, the retina, in cortex that normally represents a one-dimensional epithelium, the cochlea, suggests that the same cortical area can support different types of maps. Topography in the visual map arises both from thalamocortical projections that are characteristic of the auditory pathway and from patterns of retinal activity that provide the input to the map.


THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES:
Columnar Transformations in Auditory Cortex? A Comparison to Visual and Somatosensory Cortices.
J. F. Linden and C. E. Schreiner (2003)
Cereb Cortex 13, 83-89
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Massive cross-modal cortical plasticity and the emergence of a new cortical area in developmentally blind mammals.
D. M. Kahn and L. Krubitzer (2002)
PNAS 99, 11429-11434
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Plastic Changes in the Central Auditory System After Hearing Loss, Restoration of Function, and During Learning.
J. Syka (2002)
Physiol Rev 82, 601-636
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Enhanced Plasticity of Retinothalamic Projections in an Ephrin-A2/A5 Double Mutant.
A. W. Lyckman, S. Jhaveri, D. A. Feldheim, P. Vanderhaeghen, J. G. Flanagan, and M. Sur (2001)
J. Neurosci. 21, 7684-7690
   Abstract »    Full Text »    PDF »
Cross-Modal Reorganization of Horizontal Connectivity in Auditory Cortex without Altering Thalamocortical Projections.
W.-J. Gao and S. L. Pallas (1999)
J. Neurosci. 19, 7940-7950
   Abstract »    Full Text »    PDF »
Cross-modal reorganization of callosal connectivity without altering thalamocortical projections.
S. L. Pallas, T. Littman, and D. R. Moore (1999)
PNAS 96, 8751-8756
   Abstract »    Full Text »    PDF »
Molecular Evidence for the Early Specification of Presumptive Functional Domains in the Embryonic Primate Cerebral Cortex.
M. J. Donoghue and P. Rakic (1999)
J. Neurosci. 19, 5967-5979
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Massive cortical reorganization after sensory deafferentation in adult macaques.
T. Pons, P. Garraghty, A. Ommaya, J. Kaas, E Taub, and M Mishkin (1991)
Science 252, 1857-1860
   Abstract »    PDF »
Disruption of primary auditory cortex by synchronous auditory inputs during a critical period.
L. I. Zhang, S. Bao, and M. M. Merzenich (2002)
PNAS 99, 2309-2314
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Science. ISSN 0036-8075 (print), 1095-9203 (online)