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Tsubouchi, A., Yano, T., Yokoyama, T.K., Murtin, C., Otsuna, H., Ito, K. (2017). Topological and modality-specific representation of somatosensory information in the fly brain.  Science 358(6363): 615--623.
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FBrf0237124
Publication Type
Research paper
Abstract

Insects and mammals share similarities of neural organization underlying the perception of odors, taste, vision, sound, and gravity. We observed that insect somatosensation also corresponds to that of mammals. In Drosophila, the projections of all the somatosensory neuron types to the insect's equivalent of the spinal cord segregated into modality-specific layers comparable to those in mammals. Some sensory neurons innervate the ventral brain directly to form modality-specific and topological somatosensory maps. Ascending interneurons with dendrites in matching layers of the nerve cord send axons that converge to respective brain regions. Pathways arising from leg somatosensory neurons encode distinct qualities of leg movement information and play different roles in ground detection. Establishment of the ground pattern and genetic tools for neuronal manipulation should provide the basis for elucidating the mechanisms underlying somatosensation.

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    Language of Publication
    English
    Additional Languages of Abstract
    Parent Publication
    Publication Type
    Journal
    Abbreviation
    Science
    Title
    Science
    Publication Year
    1895-
    ISBN/ISSN
    0036-8075 1095-9203
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