ArticlePloS one2008
Visual coding in locust photoreceptors.
Article in PloS one, 2008. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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Who cites it
13 citing papers in PubMed.
- The geometry of decision-making in individuals and collectives.Proceedings of the National Academy of Sciences of the United States of America · 2021Article
- A biomimetic fly photoreceptor model elucidates how stochastic adaptive quantal sampling provides a large dynamic range.The Journal of physiology · 2017Review
- How a fly photoreceptor samples light information in time.The Journal of physiology · 2017Review
- Electrophysiological Method for Recording Intracellular Voltage Responses of Drosophila Photoreceptors and Interneurons to Light Stimuli In Vivo.Journal of visualized experiments : JoVE · 2016Article
- Visual ecology and potassium conductances of insect photoreceptors.Journal of neurophysiology · 2016Article
- Refractory sampling links efficiency and costs of sensory encoding to stimulus statistics.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2014Article
- Performance of blue- and green-sensitive photoreceptors of the cricket Gryllus bimaculatus.Journal of comparative physiology. A, Neuroethology, sensory, neural, and behavioral physiology · 2014Article
- Collision-avoidance behaviors of minimally restrained flying locusts to looming stimuli.The Journal of experimental biology · 2013Article
- Postembryonic developmental changes in photoreceptors of the stick insect Carausius morosus enhance the shift to an adult nocturnal life-style.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2012Article
- Stochastic, adaptive sampling of information by microvilli in fly photoreceptors.Current biology : CB · 2012Article
- Impact of neural noise on a sensory-motor pathway signaling impending collision.Journal of neurophysiology · 2012Article
- The effects of temperature on signalling in ocellar neurons of the desert locust, Schistocerca gregaria.Journal of comparative physiology. A, Neuroethology, sensory, neural, and behavioral physiology · 2011Article
- Network adaptation improves temporal representation of naturalistic stimuli in Drosophila eye: I dynamics.PloS one · 2009Article
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2 authors.
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Abstract
Information capture by photoreceptors ultimately limits the quality of visual processing in the brain. Using conventional sharp microelectrodes, we studied how locust photoreceptors encode random (white-noise, WN) and naturalistic (1/f stimuli, NS) light patterns in vivo and how this coding changes with mean illumination and ambient temperature. We also examined the role of their plasma membrane in shaping voltage responses. We found that brightening or warming increase and accelerate voltage responses, but reduce noise, enabling photoreceptors to encode more information. For WN stimuli, this was accompanied by broadening of the linear frequency range. On the contrary, with NS the signaling took place within a constant bandwidth, possibly revealing a 'preference' for inputs with 1/f statistics. The faster signaling was caused by acceleration of the elementary phototransduction current--leading to bumps--and their distribution. The membrane linearly translated phototransduction currents into voltage responses without limiting the throughput of these messages. As the bumps reflected fast changes in membrane resistance, the data suggest that their shape is predominantly driven by fast changes in the light-gated conductance. On the other hand, the slower bump latency distribution is likely to represent slower enzymatic intracellular reactions. Furthermore, the Q(10)s of bump duration and latency distribution depended on light intensity. Altogether, this study suggests that biochemical constraints imposed upon signaling change continuously as locust photoreceptors adapt to environmental light and temperature conditions.
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