دورية أكاديمية
Synaptic mechanisms for associative learning in the cerebellar nuclei.
العنوان: | Synaptic mechanisms for associative learning in the cerebellar nuclei. |
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المؤلفون: | Broersen R; Department of Cerebellar Coordination and Cognition, Netherlands Institute for Neuroscience, Royal Netherlands Academy of Arts and Sciences, Amsterdam, The Netherlands.; Department of Neuroscience, Erasmus MC, Rotterdam, The Netherlands., Albergaria C; Neuroscience Program, Champalimaud Center for the Unknown, Lisbon, Portugal.; University College London, Sainsbury Wellcome Centre, London, UK., Carulli D; Laboratory for Neuroregeneration, Netherlands Institute for Neuroscience, Royal Netherlands Academy of Arts and Sciences, Amsterdam, The Netherlands., Carey MR; Neuroscience Program, Champalimaud Center for the Unknown, Lisbon, Portugal. megan.carey@neuro.fchampalimaud.org., Canto CB; Department of Cerebellar Coordination and Cognition, Netherlands Institute for Neuroscience, Royal Netherlands Academy of Arts and Sciences, Amsterdam, The Netherlands. c.canto@nin.knaw.nl.; Department of Neuroscience, Erasmus MC, Rotterdam, The Netherlands. c.canto@nin.knaw.nl., De Zeeuw CI; Department of Cerebellar Coordination and Cognition, Netherlands Institute for Neuroscience, Royal Netherlands Academy of Arts and Sciences, Amsterdam, The Netherlands. c.dezeeuw@erasmusmc.nl.; Department of Neuroscience, Erasmus MC, Rotterdam, The Netherlands. c.dezeeuw@erasmusmc.nl. |
المصدر: | Nature communications [Nat Commun] 2023 Nov 20; Vol. 14 (1), pp. 7459. Date of Electronic Publication: 2023 Nov 20. |
نوع المنشور: | Journal Article |
اللغة: | English |
بيانات الدورية: | Publisher: Nature Pub. Group Country of Publication: England NLM ID: 101528555 Publication Model: Electronic Cited Medium: Internet ISSN: 2041-1723 (Electronic) Linking ISSN: 20411723 NLM ISO Abbreviation: Nat Commun Subsets: MEDLINE |
أسماء مطبوعة: | Original Publication: [London] : Nature Pub. Group |
مواضيع طبية MeSH: | Cerebellar Nuclei* , Conditioning, Eyelid*/physiology, Mice ; Animals ; Conditioning, Classical/physiology ; Cerebellum/physiology ; Cerebellar Cortex/physiology ; Blinking |
مستخلص: | Associative learning during delay eyeblink conditioning (EBC) depends on an intact cerebellum. However, the relative contribution of changes in the cerebellar nuclei to learning remains a subject of ongoing debate. In particular, little is known about the changes in synaptic inputs to cerebellar nuclei neurons that take place during EBC and how they shape the membrane potential of these neurons. Here, we probed the ability of these inputs to support associative learning in mice, and investigated structural and cell-physiological changes within the cerebellar nuclei during learning. We find that optogenetic stimulation of mossy fiber afferents to the anterior interposed nucleus (AIP) can substitute for a conditioned stimulus and is sufficient to elicit conditioned responses (CRs) that are adaptively well-timed. Further, EBC induces structural changes in mossy fiber and inhibitory inputs, but not in climbing fiber inputs, and it leads to changes in subthreshold processing of AIP neurons that correlate with conditioned eyelid movements. The changes in synaptic and spiking activity that precede the CRs allow for a decoder to distinguish trials with a CR. Our data reveal how structural and physiological modifications of synaptic inputs to cerebellar nuclei neurons can facilitate learning. (© 2023. The Author(s).) |
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تواريخ الأحداث: | Date Created: 20231121 Date Completed: 20231127 Latest Revision: 20231127 |
رمز التحديث: | 20231128 |
مُعرف محوري في PubMed: | PMC10662440 |
DOI: | 10.1038/s41467-023-43227-w |
PMID: | 37985778 |
قاعدة البيانات: | MEDLINE |
تدمد: | 2041-1723 |
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DOI: | 10.1038/s41467-023-43227-w |