ArticlePloS one2011
Neural action fields for optic flow based navigation: a simulation study of the fly lobula plate network.
Article in PloS one, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers.
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17 citing papers in PubMed.
- Long-timescale anti-directional rotation ineLife · 2023Article
- Long timescale anti-directional rotation in Drosophila optomotor behavior.bioRxiv : the preprint server for biology · 2023Article
- Contrast independent biologically inspired translational optic flow estimation.Biological cybernetics · 2022Article
- Maximally efficient prediction in the early fly visual system may support evasive flight maneuvers.PLoS computational biology · 2021Article
- Efficient encoding of motion is mediated by gap junctions in the fly visual system.PLoS computational biology · 2017Article
- A network of visual motion-sensitive neurons for computing object position in an arthropod.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2015Article
- Complementary motion tuning in frontal nerve motor neurons of the blowfly.Journal of comparative physiology. A, Neuroethology, sensory, neural, and behavioral physiology · 2015Article
- Insect-Inspired Self-Motion Estimation with Dense Flow Fields--An Adaptive Matched Filter Approach.PloS one · 2015Article
- Near-optimal decoding of transient stimuli from coupled neuronal subpopulations.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2014Article
- Subcellular mapping of dendritic activity in optic flow processing neurons.Journal of comparative physiology. A, Neuroethology, sensory, neural, and behavioral physiology · 2014Article
- Cooperative integration and representation underlying bilateral network of fly motion-sensitive neurons.PloS one · 2014Article
- Dendritic end inhibition in large-field visual neurons of the fly.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2013Article
- Integration of binocular optic flow in cervical neck motor neurons of the fly.Journal of comparative physiology. A, Neuroethology, sensory, neural, and behavioral physiology · 2012Article
- Disentangling the functional consequences of the connectivity between optic-flow processing neurons.Nature neuroscience · 2012Article
- Spatial vision in insects is facilitated by shaping the dynamics of visual input through behavioral action.Frontiers in neural circuits · 2012Article
- Temporal and spatial adaptation of transient responses to local features.Frontiers in neural circuits · 2012Article
- An olfactory circuit increases the fidelity of visual behavior.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2011Article
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2 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Optic flow based navigation is a fundamental way of visual course control described in many different species including man. In the fly, an essential part of optic flow analysis is performed in the lobula plate, a retinotopic map of motion in the environment. There, the so-called lobula plate tangential cells possess large receptive fields with different preferred directions in different parts of the visual field. Previous studies demonstrated an extensive connectivity between different tangential cells, providing, in principle, the structural basis for their large and complex receptive fields. We present a network simulation of the tangential cells, comprising most of the neurons studied so far (22 on each hemisphere) with all the known connectivity between them. On their dendrite, model neurons receive input from a retinotopic array of Reichardt-type motion detectors. Model neurons exhibit receptive fields much like their natural counterparts, demonstrating that the connectivity between the lobula plate tangential cells indeed can account for their complex receptive field structure. We describe the tuning of a model neuron to particular types of ego-motion (rotation as well as translation around/along a given body axis) by its 'action field'. As we show for model neurons of the vertical system (VS-cells), each of them displays a different type of action field, i.e., responds maximally when the fly is rotating around a particular body axis. However, the tuning width of the rotational action fields is relatively broad, comparable to the one with dendritic input only. The additional intra-lobula-plate connectivity mainly reduces their translational action field amplitude, i.e., their sensitivity to translational movements along any body axis of the fly.
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