ArticleThe Journal of neuroscience : the official journal of the Society for Neuroscience2006
Robust integration of motion information in the fly visual system revealed by single cell photoablation.
Article in The Journal of neuroscience : the official journal of the Society for Neuroscience, 2006. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed.
- Modulation of Neural Network Activity through Single Cell Ablation: An in Vitro Model of Minimally Invasive Neurosurgery.Molecules (Basel, Switzerland) · 2016Article
- Neural basis of stimulus-angle-dependent motor control of wind-elicited walking behavior in the cricket Gryllus bimaculatus.PloS one · 2013Article
- Spatial vision in insects is facilitated by shaping the dynamics of visual input through behavioral action.Frontiers in neural circuits · 2012Article
- Neural action fields for optic flow based navigation: a simulation study of the fly lobula plate network.PloS one · 2011Article
- Optimal motor control may mask sensory dynamics.Biological cybernetics · 2009Article
- Electrical coupling of lobula plate tangential cells to a heterolateral motion-sensitive neuron in the fly.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2008Article
- Adaptation of velocity encoding in synaptically coupled neurons in the fly visual system.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2008Article
- Nonlinear integration of binocular optic flow by DNOVS2, a descending neuron of the fly.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2008Article
- Reciprocal inhibitory connections within a neural network for rotational optic-flow processing.Frontiers in neuroscience · 2007Article
- Integration of lobula plate output signals by DNOVS1, an identified premotor descending neuron.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2007Article
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3 authors.
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Abstract
In the brain, sensory information needs often to be read out from the ensemble activity of presynaptic neurons. In the most basic case, this may be accomplished by an individual postsynaptic neuron. In the visual system of the blowfly, an identified motion-sensitive spiking neuron is known to be postsynaptic to an ensemble of graded-potential presynaptic input elements. Both the presynaptic and postsynaptic neurons were shown previously to be capable of representing the velocity of preferred-direction motion reliably and linearly over a large frequency range of velocity fluctuations. Accordingly, the synaptic transfer properties of the connecting excitatory synapses between individual input elements and the postsynaptic neuron were shown to be linear over a similar range of presynaptic membrane potential fluctuations. It was not known, however, how the postsynaptic neuron integrates and reads out the presynaptic ensemble activity. We were able to compare the response properties of the integrating cell before and after eliminating individual presynaptic elements by a laser ablation technique. For most of the input elements, we found that their elimination strongly affected the activity of the postsynaptic neuron but did not degrade its performance to encode motion with constant and time-varying velocity. Our results suggest that the integration of individual synaptic inputs within the neural circuit operates with some redundancy. This feature might help the postsynaptic neuron to encode in a highly robust way the direction and the velocity of self-motion of the animal.
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