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    Calcium imaging of neuronal activity in the most rostral parafacial respiratory group of the newborn rat

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    Author
    Onimaru, H; Dutschmann, M
    Date
    2012-01-01
    Source Title
    JOURNAL OF PHYSIOLOGICAL SCIENCES
    Publisher
    SPRINGER JAPAN KK
    University of Melbourne Author/s
    Dutschmann, Mathias
    Affiliation
    Anatomy And Neuroscience
    Metadata
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    Document Type
    Journal Article
    Citations
    Onimaru, H. & Dutschmann, M. (2012). Calcium imaging of neuronal activity in the most rostral parafacial respiratory group of the newborn rat. JOURNAL OF PHYSIOLOGICAL SCIENCES, 62 (1), pp.71-77. https://doi.org/10.1007/s12576-011-0179-2.
    Access Status
    This item is currently not available from this repository
    URI
    http://hdl.handle.net/11343/33194
    DOI
    10.1007/s12576-011-0179-2
    Description

    C1 - Journal Articles Refereed

    Abstract
    The parafacial respiratory group (pFRG) is thought to be involved in respiratory rhythm generation in neonates. This subgroup expresses the transcription factor, Phox2b, and contains intrinsically CO(2) sensitive neurons. Calcium imaging has been widely used for analysis of neuronal activity at the cellular and network level. In the present study, we applied calcium imaging to analyze neuronal activity of the most-rostral pFRG in an in vitro brainstem-spinal cord preparation from neonatal rats. We detected strong pre-inspiratory neuron activity in the most rostral pFRG, suggesting that significant numbers of pre-inspiratory neurons are localized in the ventrolateral medulla near the rostral end of the medulla. We show that usage of calcium imaging would be very useful for analysis of neuronal activity over different time scales, and discuss the advantages and disadvantages of this method.
    Keywords
    Neurosciences not elsewhere classified; Clinical Health (Organs; Diseases and Abnormal Conditions) not elsewhere classified

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