Organization of Receptive Fields of Cricket Giant Interneurons Revealed by Cercal Ablations
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概要
- 論文の詳細を見る
In order to determine the contribution of each cercus and its receptors in organizing the receptive field of four air-motion sensitive giant interneurons(Gls 8-1, 9-1, 9-2 and 9-3)of the cricket Gryllus bimaculatus, effects of removing the ipsilateral or contralateral cercus(referred to the side of the axons)on specific parameters of the wind-evoked responses of these neurons were investigated. All 4 Gls received only excitatory inputs from a group of filiform hairs on the ipsilateral cercus. In addition to the ipsilateral excitatory inputs, Gls 8-1 and 9-1 received weak excitatory and strong inhibitory inputs from a group of filiform hairs on the contralateral cercus. Gl 9-2 received only inhibitory inputs filiform hairs on the contralateral cercus. Gl 9-3 received excitatory inputs from filiform hairs on the contralateral cercus and no inhibitory input was confirmed. In addition to such simple excitatory and inhibitory connections, the rebound motion of cercal filiform hairs had some role in organizing the receptive fields of Gls 9-2 and 9-3. Furthermore, the possibility of using a rebound depolarization of the membrane potential for mediating the long latency response in Gls 8-1 and 9-2 will be discussed.
- 社団法人日本動物学会の論文
著者
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Matsuura Tetsuya
Department Of Biology And Earth Sciences Faculty Of Science Ehime University
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Matsuura Tetsuya
Department Of Biology Faculty Of Science Okayama University:akita Laboratory Japan Science And Techn
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Kanou Masamichi
o Akita Research Institute of Brain and Blood Vessels
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