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Cited by 181Neuroscience and Music PerceptionHearing, Cochlea, Tinnitus, GeneticsAnimal Vocal Communication and Behavior

The DOI matches its Crossref record; 67 of the 67 references it cites were found in a registry or an index.

Anatomical study of the connections of the primary auditory area in the rat

Roger, Michel, Arnault, Patricia·1989·Journal of Comparative Neurology
DOI 10.1002/cne.902870306
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Abstract

The aim of the present study was to identify in the rat the overall input‐output pattern of connections of the primary auditory field, with special attention to the topographical organization of the geniculocortical auditory projection. By using cytoarchitectural criteria, three temporal cortical fields were distinguished in the rat: Te1, Te2, and Te3. The primary auditory field Te1 is characterized by a relatively specific differentiation of its layers when compared with other temporal fields. The afferent and efferent connections of Te1 were identified by using the retrograde and anterograde transport of wheat germ agglutinin conjugated with horseradish peroxidase (WGA‐HRP). The results indicate that Te1 is connected by a dense and reciprocal system of fibers with the auditory thalamus. Based on the nomenclature of Morest ('64) in the cat, five cytoarchitectural subdivisions of the medial geniculate complex (MG) were identified in the rat: ventral (MGv), dorsal (MGd), medial (MGm), suprageniculate (Sg), and peripeduncular (PPA). The major rostrocaudal extent of the MGv is connected to Te1. The surrounding cortical fields Te2 and Te3 do not receive a projection from the MGv, except from its most caudal pole. The MGv projection is topographically organized. When the deposit area of the tracer is shifted from dorsal to ventral upon Te1, the corresponding labeled zone within the MGv moves from rostral to caudal, whereas a cortical displacement of the deposit area of the tracer from rostrodorsal to caudoventral leads to a medial to lateral shift of the labeled zone in the MGv. In addition, more dorsal parts of the MGv project on more dorsal sectors of Te1. Te1 receives a sparser, topographically organized projection from the deep dorsal subdivision of the MGd. The MGm and the lateral part of the posterior group of thalamic nuclei (Pol) also distribute fibers to the primary auditory field. Te1 is reciprocally connected by a system of callosal fibers with the contralateral homotypic cortex. Finally, Te1 sends fibers to the dorsal and, to a lesser extent, external cortices of the inferior colliculus, caudomedial caudateputamen complex, and caudoventral thalamic reticular nucleus.

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Citations

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Show all 67 references

Research works printed but not linked: 8

  1. Aitkin L. M., 1984, Handbook of Physiology, 675
  2. Herbert H., 1984, Descending auditory system: Projections from auditory cortex to inferior colliculus in the rat, Neurosci. Lett., 18, S244
  3. Patterson H. A., 1977, An anterograde degeneration and retrograde axonal transport study of the cortical projections of the rat medial geniculate body
  4. Ryugo D. K., 1976, An attempt towards an integration of structure and function in the auditory system
  5. Scheel M., 1984, Isofrequency laminae in the medial geniculate body of the rat as shown by injections of WGA‐HRP into the auditory cortex, Neurosci. Lett., 18, S245
  6. Schober W., 1986, The rat cortex in sterotaxic coordinates, J. Hirnforsch., 27, 121
  7. Webster W. R., 1985, The Rat Nervous System, 153
  8. Zilles K., 1985, The Rat Nervous System, 375

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Metadata

Authors
Roger, M., & Arnault, P.
Affiliations
Centre National de la Recherche Scientifique (FR)
Corresponding author
Roger, Michel
ORCID
Arnault, Patricia
Venue
Journal of Comparative Neurology
Publisher
Wiley
Published
1989-09-15
Volume
287
Issue
3
Pages
339-356
ISSN
  • 0021-9967 (ISSN-L)
  • 1096-9861
DOI
10.1002/cne.902870306
OpenAlex
W1982454095
Cited by
181
References
67
Citations by year
2026: 3 · 2025: 2 · 2024: 2 · 2023: 2 · 2022: 3 · 2021: 2 · 2020: 2 · 2019: 4 · 2018: 1 · 2016: 5 · 2015: 7 · 2014: 11 · 2013: 5 · 2012: 1
FWCI
5.17
Type
journal article
Language
en
Open access
closed
Licence
onlinelibrary.wiley.com/termsAndConditions#vor (vor, 5503 d)
Locations
  • The Journal of Comparative Neurology (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neuroscience and Music Perception
  • Life Sciences › Neuroscience › Sensory Systems › Hearing, Cochlea, Tinnitus, Genetics
  • Life Sciences › Agricultural and Biological Sciences › Ecology, Evolution, Behavior and Systematics › Animal Vocal Communication and Behavior
Keywords
primary auditory cortex, auditory thalamus, medial geniculate body, topographic organization, temporal cortex, corticothalamic connections, callosal connections, inferior colliculus, rat auditory system
MeSH terms
Afferent Pathways, Animals, Auditory Cortex, Biological Transport, Brain Mapping, Efferent Pathways, Geniculate Bodies, Horseradish Peroxidase, Rats, Inbred Strains, Thalamus, Rats

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