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Titolo:
Proportional inhibition in the cricket medial giant interneuron
Autore:
Baba, Y; Masuda, H; Shimozawa, T;
Indirizzi:
Inst Publ Hlth, Dept Physiol Hyg, Shirokanedai 108, Japan Inst Publ Hlth Shirokanedai Japan 108 ysiol Hyg, Shirokanedai 108, Japan Hokkaido Univ, Res Inst Elect Sci, Neurocybernet Lab, Sapporo, Hokkaido 0600812, Japan Hokkaido Univ Sapporo Hokkaido Japan 0600812 oro, Hokkaido 0600812, Japan
Titolo Testata:
JOURNAL OF COMPARATIVE PHYSIOLOGY A-SENSORY NEURAL AND BEHAVIORAL PHYSIOLOGY
fascicolo: 1, volume: 187, anno: 2001,
pagine: 19 - 25
SICI:
0340-7594(200102)187:1<19:PIITCM>2.0.ZU;2-4
Fonte:
ISI
Lingua:
ENG
Soggetto:
TERMINAL ABDOMINAL-GANGLION; PRESYNAPTIC INHIBITION; GRYLLUS-BIMACULATUS; CERCAL INTERNEURONS; ACHETA-DOMESTICUS; COCKROACH; SYSTEM; MORPHOLOGY; RECEPTORS; STIMULUS;
Keywords:
giant interneuron; inhibition; cricket; convergence; cercal sensory system;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Life Sciences
Citazioni:
25
Recensione:
Indirizzi per estratti:
Indirizzo: Baba, Y Toyama Univ, Fac Engn, Div Bioinformat Engn, 3190 Gofuku, Toyama 9308555, Japan Toyama Univ 3190 Gofuku Toyama Japan 9308555 oyama 9308555, Japan
Citazione:
Y. Baba et al., "Proportional inhibition in the cricket medial giant interneuron", J COMP PH A, 187(1), 2001, pp. 19-25

Abstract

Inhibitory effects on the number of wind-evoked impulses were studied in the medial giant interneuron of the cricket, Gryllus bimaculatus. The interneuron receives an inhibitory input from wind receptors on cercus ipsilateral to its soma. Using a dual channel wind stimulator, the intensity of inhibitory input was changed over 1000-fold and effects on the number of spikes were observed. The ipsilateral inhibition reduced the number of outgoing spikes from a level elicited by excitation alone and it did so in proportion to the level of wind responsiveness displayed by each cell. A proportional coefficient of inhibition was derived and its value depended on the level of total excitation of the medial giant interneuron. The medial giant interneurons with high excitation showed a smaller value of the coefficient than those with low excitation. The proportional inhibition of the medial giant interneuron by the ipsilateral cercus suppresses the number of its spikes to a reasonable level for a wide range of stimulus intensities under naturalconditions.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 29/01/20 alle ore 19:02:40