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https://hdl.handle.net/10356/81941
Title: | Deciphering the Role of a Coleopteran Steering Muscle via Free Flight Stimulation | Authors: | Sato, Hirotaka Vo Doan, Tat Thang Kolev, Svetoslav Huynh, Ngoc Anh Zhang, Chao Massey, Travis L. van Kleef, Joshua Ikeda, Kazuo Abbeel, Pieter Maharbiz, Michel M. |
Keywords: | biomechanics Electric Stimulation |
Issue Date: | 2015 | Source: | Sato, H., Vo Doan, T. T., Kolev, S., Huynh, N. A., Zhang, C., Massey, T. L., et al. (2015). Deciphering the Role of a Coleopteran Steering Muscle via Free Flight Stimulation. Current Biology, 25(6), 798-803. | Series/Report no.: | Current Biology | Abstract: | Testing hypotheses of neuromuscular function during locomotion ideally requires the ability to record cellular responses and to stimulate the cells being investigated to observe downstream behaviors [ 1 ]. The inability to stimulate in free flight has been a long-standing hurdle for insect flight studies. The miniaturization of computation and communication technologies has delivered ultra-small, radio-enabled neuromuscular recorders and stimulators for untethered insects [ 2–8 ]. Published stimulation targets include the areas in brain potentially responsible for pattern generation in locomotion [ 5 ], the nerve chord for abdominal flexion [ 9 ], antennal muscles [ 2, 10 ], and the flight muscles (or their excitatory junctions) [ 7, 11–13 ]. However, neither fine nor graded control of turning has been demonstrated in free flight, and responses to the stimulation vary widely [ 2, 5, 7, 9 ]. Technological limitations have precluded hypotheses of function validation requiring exogenous stimulation during flight. We investigated the role of a muscle involved in wing articulation during flight in a coleopteran. We set out to identify muscles whose stimulation produced a graded turning in free flight, a feat that would enable fine steering control not previously demonstrated. We anticipated that gradation might arise either as a function of the phase of muscle firing relative to the wing stroke (as in the classic fly b1 muscle [ 14, 15 ] or the dorsal longitudinal and ventral muscles of moth [ 16 ]), or due to regulated tonic control, in which phase-independent summation of twitch responses produces varying amounts of force delivered to the wing linkages [ 15, 17, 18 ]. | URI: | https://hdl.handle.net/10356/81941 http://hdl.handle.net/10220/41046 |
ISSN: | 0960-9822 | DOI: | 10.1016/j.cub.2015.01.051 | Schools: | School of Electrical and Electronic Engineering School of Mechanical and Aerospace Engineering |
Rights: | © 2015 Elsevier Ltd. | Fulltext Permission: | none | Fulltext Availability: | No Fulltext |
Appears in Collections: | EEE Journal Articles MAE Journal Articles |
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