Cited by 71Neuroscience and Music PerceptionNeuroscience and Neuropharmacology ResearchHearing, Cochlea, Tinnitus, Genetics

Mouse auditory cortex differs from visual and somatosensory cortices in the laminar distribution of cytochrome oxidase and acetylcholinesterase

Anderson, L.A., Christianson, G.B., Linden, J.F.·2009·Brain Research

Abstract

Cytochrome oxidase (CYO) and acetylcholinesterase (AChE) staining density varies across the cortical layers in many sensory areas. The laminar variations likely reflect differences between the layers in levels of metabolic activity and cholinergic modulation. The question of whether these laminar variations differ between primary sensory cortices has never been systematically addressed in the same set of animals, since most studies of sensory cortex focus on a single sensory modality. Here, we compared the laminar distribution of CYO and AChE activity in the primary auditory, visual, and somatosensory cortices of the mouse, using Nissl-stained sections to define laminar boundaries. Interestingly, for both CYO and AChE, laminar patterns of enzyme activity were similar in the visual and somatosensory cortices, but differed in the auditory cortex. In the visual and somatosensory areas, staining densities for both enzymes were highest in layers III/IV or IV and in lower layer V. In the auditory cortex, CYO activity showed a reliable peak only at the layer III/IV border, while AChE distribution was relatively homogeneous across layers. These results suggest that laminar patterns of metabolic activity and cholinergic influence are similar in the mouse visual and somatosensory cortices, but differ in the auditory cortex.

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Crossref · 10.1016/j.brainres.2008.11.037

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Authors
Anderson, L. A., Christianson, G. B., & Linden, J. F.
Affiliations
University College London (GB)
Corresponding author
Linden, J.F.
Venue
Brain Research
Publisher
Elsevier BV
Published
2009-02
Volume
1252
Pages
130-142
ISSN
0006-8993 (ISSN-L)
OpenAlex
W2026998078
Cited by
71
References
76
Citations by year
2026: 2 · 2025: 3 · 2024: 1 · 2023: 1 · 2022: 4 · 2021: 3 · 2020: 6 · 2019: 8 · 2018: 5 · 2017: 6 · 2016: 5 · 2015: 1 · 2014: 4 · 2013: 6 · 2012: 4
FWCI
2.07
Type
journal article
Language
en
Open access
closed
Locations
  • Brain Research (publishedVersion)
  • PubMed (publishedVersion)
  • UCL Discovery (University College London) (submittedVersion)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neuroscience and Music Perception
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
  • Life Sciences › Neuroscience › Sensory Systems › Hearing, Cochlea, Tinnitus, Genetics
Keywords
auditory cortex, visual cortex, somatosensory cortex, cytochrome c oxidase, acetylcholinesterase, cortical laminar distribution, cholinergic modulation, primary sensory cortices, mouse brain
MeSH terms
Acetylcholinesterase, Age Factors, Animals, Auditory Cortex, Cerebral Cortex, Electron Transport Complex IV, Densitometry, Female, Male, Mice, Inbred CBA, Mothers, Somatosensory Cortex, Visual Cortex, Mice

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