Journal
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
Volume 98, Issue 14, Pages 8042-8047Publisher
NATL ACAD SCIENCES
DOI: 10.1073/pnas.131591898
Keywords
corticocortical projections; cortical modules
Categories
Funding
- NIDCD NIH HHS [2 R01 DC02319-21, R01 DC002260-06, R01 DC002260, 2 R01 DC02260-05, R01 DC002319] Funding Source: Medline
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Many response properties in primary auditory cortex (Al) are segregated spatially and organized topographically as those in primary visual cortex. Intensive study has not revealed an intrinsic, anatomical organizing principle related to an Al functional topography, We used retrograde anatomic tracing and topographic physiologic mapping of acoustic response properties to reveal long-range (greater than or equal to1.5 mm) convergent intrinsic horizontal connections between Al subregions with similar bandwidth and characteristic frequency selectivity. This suggests a modular organization for processing spectral bandwidth in Al.
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