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1 Janelia Publications

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    11/17/20 | Multi-regional circuits underlying visually guided decision-making in Drosophila.
    Cheong H, Siwanowicz I, Card GM
    Current Opinion in Neurobiology. 2020 Nov 17;65:77-87. doi: 10.1016/j.conb.2020.10.010

    Visually guided decision-making requires integration of information from distributed brain areas, necessitating a brain-wide approach to examine its neural mechanisms. New tools in Drosophila melanogaster enable circuits spanning the brain to be charted with single cell-type resolution. Here, we highlight recent advances uncovering the computations and circuits that transform and integrate visual information across the brain to make behavioral choices. Visual information flows from the optic lobes to three primary central brain regions: a sensorimotor mapping area and two 'higher' centers for memory or spatial orientation. Rapid decision-making during predator evasion emerges from the spike timing dynamics in parallel sensorimotor cascades. Goal-directed decisions may occur through memory, navigation and valence processing in the central complex and mushroom bodies.

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