ArticleJournal of comparative physiology. A, Neuroethology, sensory, neural, and behavioral physiology2014
Subcellular mapping of dendritic activity in optic flow processing neurons.
Article in Journal of comparative physiology. A, Neuroethology, sensory, neural, and behavioral physiology, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.
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Who cites it
14 citing papers in PubMed.
- A comprehensive neuroanatomical survey of thebioRxiv : the preprint server for biology · 2023Article
- Selective processing of all rotational and translational optic flow directions in the zebrafish pretectum and tectum.BMC biology · 2019Article
- Article
- Glutamate Signaling in the Fly Visual System.iScience · 2018Article
- Dendritic CaJournal of neurophysiology · 2018Article
- Non-uniform weighting of local motion inputs underlies dendritic computation in the fly visual system.Scientific reports · 2018Article
- Full reconstruction of large lobula plate tangential cells in Drosophila from a 3D EM dataset.PloS one · 2018Article
- Efficient encoding of motion is mediated by gap junctions in the fly visual system.PLoS computational biology · 2017Article
- Visual Circuits for Direction Selectivity.Annual review of neuroscience · 2017Review
- Fine and distributed subcellular retinotopy of excitatory inputs to the dendritic tree of a collision-detecting neuron.Journal of neurophysiology · 2016Article
- In Vivo Imaging Reveals Composite Coding for Diagonal Motion in the Drosophila Visual System.PloS one · 2016Article
- Near-optimal decoding of transient stimuli from coupled neuronal subpopulations.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2014Article
- Depth information in natural environments derived from optic flow by insect motion detection system: a model analysis.Frontiers in computational neuroscience · 2014Article
- Motion as a source of environmental information: a fresh view on biological motion computation by insect brains.Frontiers in neural circuits · 2014Review
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3 authors.
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Abstract
Dendritic integration is a fundamental element of neuronal information processing. So far, few studies have provided a detailed spatial picture of this process, describing the properties of local dendritic activity and its subcellular organization. Here, we used 2-photon calcium imaging in optic flow processing neurons of the fly Calliphora vicina to determine the preferred location and direction of local motion cues for small branchlets throughout the entire dendrite. We found a pronounced retinotopic mapping on both the subcellular and the cell population level. In addition, dendritic branchlets residing in different layers of the neuropil were tuned to distinct directions of motion. Summing the local receptive fields of all dendritic branchlets reproduced the characteristic properties of these neurons' axonal output receptive fields. Our results corroborate the notion that the dendritic morphology of vertical system cells allows them to selectively collect local motion inputs with particular directional preferences from a spatially organized input repertoire, thus forming filters that match global patterns of optic flow. Furthermore, we suggest that the facet arrangement across the fly's eye shapes the subcellular direction tuning to local motion stimuli. These data illustrate a highly structured circuit organization as an efficient way to hard-wire a complex sensory task.
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