The neuronal architecture of the mushroom body provides a logic for associative learning

Yoshinori Aso, Daisuke Hattori, Yang Yu, Rebecca M. Johnston, Nirmala A. Iyer, Teri T.B. Ngo, Heather Dionne, L. F. Abbott, Richard Axel, Hiromu Tanimoto, Gerald M. Rubin

研究成果: ジャーナルへの寄稿学術論文査読

610 被引用数 (Scopus)

抄録

We identified the neurons comprising the Drosophila mushroom body (MB), an associative center in invertebrate brains, and provide a comprehensive map describing their potential connections. Each of the 21 MB output neuron (MBON) types elaborates segregated dendritic arbors along the parallel axons of ∼2000 Kenyon cells, forming 15 compartments that collectively tile the MB lobes. MBON axons project to five discrete neuropils outside of the MB and three MBON types form a feedforward network in the lobes. Each of the 20 dopaminergic neuron (DAN) types projects axons to one, or at most two, of the MBON compartments. Convergence of DAN axons on compartmentalized Kenyon cell-MBON synapses creates a highly ordered unit that can support learning to impose valence on sensory representations. The elucidation of the complement of neurons of the MB provides a comprehensive anatomical substrate from which one can infer a functional logic of associative olfactory learning and memory.

本文言語英語
論文番号e04577
ページ(範囲)e04577
ジャーナルeLife
3
DOI
出版ステータス出版済み - 2014

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