ArticleProceedings. Biological sciences2009
The motion after-effect: local and global contributions to contrast sensitivity.
Article in Proceedings. Biological sciences, 2009. 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.
- Understanding the mechanism of facilitation in hoverfly TSDNs.PLoS computational biology · 2025Article
- Transcriptomic Signature of Spatial Navigation in Brains of Desert Ants.Ecology and evolution · 2024Article
- Dual Receptive Fields Underlying Target and Wide-Field Motion Sensitivity in Looming-Sensitive Descending Neurons.eNeuro · 2023Article
- Disentangling of Local and Wide-Field Motion Adaptation.Frontiers in neural circuits · 2021Article
- Visual motion sensitivity in descending neurons in the hoverfly.Journal of comparative physiology. A, Neuroethology, sensory, neural, and behavioral physiology · 2020Article
- Differential Tuning to Visual Motion Allows Robust Encoding of Optic Flow in the Dragonfly.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2019Article
- Temporal and spatial adaptation of transient responses to local features.Frontiers in neural circuits · 2012Article
- Octopaminergic modulation of contrast sensitivity.Frontiers in integrative neuroscience · 2012Article
- Adaptation accentuates responses of fly motion-sensitive visual neurons to sudden stimulus changes.Proceedings. Biological sciences · 2009Article
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Authors and funding
2 authors.
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Abstract
Motion adaptation is a widespread phenomenon analogous to peripheral sensory adaptation, presumed to play a role in matching responses to prevailing current stimulus parameters and thus to maximize efficiency of motion coding. While several components of motion adaptation (contrast gain reduction, output range reduction and motion after-effect) have been described, previous work is inconclusive as to whether these are separable phenomena and whether they are locally generated. We used intracellular recordings from single horizontal system neurons in the fly to test the effect of local adaptation on the full contrast-response function for stimuli at an unadapted location. We show that contrast gain and output range reductions are primarily local phenomena and are probably associated with spatially distinct synaptic changes, while the antagonistic after-potential operates globally by transferring to previously unadapted locations. Using noise analysis and signal processing techniques to remove 'spikelets', we also characterize a previously undescribed alternating current component of adaptation that can explain several phenomena observed in earlier studies.
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