ArticleFrontiers in neural circuits2012
Neuronal encoding of object and distance information: a model simulation study on naturalistic optic flow processing.
Article in Frontiers in neural circuits, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed.
- Peripheral Processing Facilitates Optic Flow-Based Depth Perception.Frontiers in computational neuroscience · 2016Article
- Depth information in natural environments derived from optic flow by insect motion detection system: a model analysis.Frontiers in computational neuroscience · 2014Article
- Impact of stride-coupled gaze shifts of walking blowflies on the neuronal representation of visual targets.Frontiers in behavioral neuroscience · 2014Article
- Visual motion-sensitive neurons in the bumblebee brain convey information about landmarks during a navigational task.Frontiers in behavioral neuroscience · 2014Article
- Temporal statistics of natural image sequences generated by movements with insect flight characteristics.PloS one · 2014Article
- Motion as a source of environmental information: a fresh view on biological motion computation by insect brains.Frontiers in neural circuits · 2014Review
- Self-motion perception in the elderly.Frontiers in human neuroscience · 2014Article
- Spatial vision in insects is facilitated by shaping the dynamics of visual input through behavioral action.Frontiers in neural circuits · 2012Article
- Texture dependence of motion sensing and free flight behavior in blowflies.Frontiers in behavioral neuroscience · 2012Article
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Authors and funding
2 authors.
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Abstract
We developed a model of the input circuitry of the FD1 cell, an identified motion-sensitive interneuron in the blowfly's visual system. The model circuit successfully reproduces the FD1 cell's most conspicuous property: its larger responses to objects than to spatially extended patterns. The model circuit also mimics the time-dependent responses of FD1 to dynamically complex naturalistic stimuli, shaped by the blowfly's saccadic flight and gaze strategy: the FD1 responses are enhanced when, as a consequence of self-motion, a nearby object crosses the receptive field during intersaccadic intervals. Moreover, the model predicts that these object-induced responses are superimposed by pronounced pattern-dependent fluctuations during movements on virtual test flights in a three-dimensional environment with systematic modifications of the environmental patterns. Hence, the FD1 cell is predicted to detect not unambiguously objects defined by the spatial layout of the environment, but to be also sensitive to objects distinguished by textural features. These ambiguous detection abilities suggest an encoding of information about objects-irrespective of the features by which the objects are defined-by a population of cells, with the FD1 cell presumably playing a prominent role in such an ensemble.
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