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Mixed functional microarchitectures for orientation selectivity in the mouse primary visual cortex

Author

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  • Satoru Kondo

    (Graduate School of Medical Sciences, Kyushu University
    CREST, Japan Science and Technology Agency
    The University of Tokyo School of Medicine)

  • Takashi Yoshida

    (Graduate School of Medical Sciences, Kyushu University
    CREST, Japan Science and Technology Agency
    The University of Tokyo School of Medicine)

  • Kenichi Ohki

    (Graduate School of Medical Sciences, Kyushu University
    CREST, Japan Science and Technology Agency
    The University of Tokyo School of Medicine)

Abstract

A minicolumn is the smallest anatomical module in the cortical architecture, but it is still in debate whether it serves as functional units for cortical processing. In the rodent primary visual cortex (V1), neurons with different preferred orientations are mixed horizontally in a salt and pepper manner, but vertical functional organization was not examined. In this study, we found that neurons with similar orientation preference are weakly but significantly clustered vertically in a short length and horizontally in the scale of a minicolumn. Interestingly, the vertical clustering is found only in a part of minicolumns, and others are composed of neurons with a variety of orientation preferences. Thus, the mouse V1 is a mixture of vertical clusters of neurons with various degrees of orientation similarity, which may be the compromise between the brain size and keeping the vertical clusters of similarly tuned neurons at least in a subset of clusters.

Suggested Citation

  • Satoru Kondo & Takashi Yoshida & Kenichi Ohki, 2016. "Mixed functional microarchitectures for orientation selectivity in the mouse primary visual cortex," Nature Communications, Nature, vol. 7(1), pages 1-16, December.
    • Handle: RePEc:nat:natcom:v:7:y:2016:i:1:d:10.1038_ncomms13210
    DOI: 10.1038/ncomms13210
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    Cited by:

    1. J. L. Amengual & F. Di Bello & S. Ben Hadj Hassen & Suliann Ben Hamed, 2022. "Distractibility and impulsivity neural states are distinct from selective attention and modulate the implementation of spatial attention," Nature Communications, Nature, vol. 13(1), pages 1-16, December.
    2. Han Chin Wang & Amy M. LeMessurier & Daniel E. Feldman, 2022. "Tuning instability of non-columnar neurons in the salt-and-pepper whisker map in somatosensory cortex," Nature Communications, Nature, vol. 13(1), pages 1-18, December.
    3. Andrés Ruiz-Tagle Palazuelos & Enrique López Droguett & Rodrigo Pascual, 2020. "A novel deep capsule neural network for remaining useful life estimation," Journal of Risk and Reliability, , vol. 234(1), pages 151-167, February.

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