ArticleThe Journal of neuroscience : the official journal of the Society for Neuroscience2016
Gating of Acoustic Transducer Channels Is Shaped by Biomechanical Filter Processes.
Article in The Journal of neuroscience : the official journal of the Society for Neuroscience, 2016. 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.
- Functional Morphology of Leg Mechanosensory Organs in Early Postembryonic Development in the Stick Insect (Insects · 2024Article
- Auditory tuning in the bushcricket miniature hearing organ.Proceedings of the National Academy of Sciences of the United States of America · 2021Article
- Tuned vibration modes in a miniature hearing organ: Insights from the bushcricket.Proceedings of the National Academy of Sciences of the United States of America · 2021Article
- Comparative micromechanics of bushcricket ears with and without a specialized auditory fovea region in the crista acustica.Proceedings. Biological sciences · 2020Article
- Physiological Basis of Noise-Induced Hearing Loss in a Tympanal Ear.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2020Article
- Mechanics to pre-process information for the fine tuning of mechanoreceptors.Journal of comparative physiology. A, Neuroethology, sensory, neural, and behavioral physiology · 2019Review
- Experimental and Theoretical Explorations of Traveling Waves and Tuning in the Bushcricket Ear.Biophysical journal · 2019Article
- Functional basis of the sexual dimorphism in the auditory fovea of the duetting bushcricketProceedings. Biological sciences · 2017Article
- Non-invasive biophysical measurement of travelling waves in the insect inner ear.Royal Society open science · 2017Article
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Authors and funding
7 authors.
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Abstract
Mechanoelectrical transduction of acoustic signals is the fundamental process for hearing in all ears across the animal kingdom. Here, we performed in vivo laser-vibrometric and electrophysiological measurements at the transduction site in an insect ear (Mecopoda elongata) to relate the biomechanical tonotopy along the hearing organ to the frequency tuning of the corresponding sensory cells. Our mechanical and electrophysiological map revealed a biomechanical filter process that considerably sharpens the neuronal response. We demonstrate that the channel gating, which acts on chordotonal stretch receptor neurons, is based on a mechanical directionality of the sound-induced motion. Further, anatomical studies of the transduction site support our finding of a stimulus-relevant tilt. In conclusion, we were able to show, in an insect ear, that directionality of channel gating considerably sharpens the neuronal frequency selectivity at the peripheral level and have identified a mechanism that enhances frequency discrimination in tonotopically organized ears.
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