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Titolo:
Peripheral lateral line responses to amplitude-modulated sinusoidal wave stimuli
Autore:
Mogdans, J; Bleckmann, H;
Indirizzi:
Univ Bonn, Inst Zool, D-53115 Bonn, Germany Univ Bonn Bonn Germany D-53115 iv Bonn, Inst Zool, D-53115 Bonn, Germany
Titolo Testata:
JOURNAL OF COMPARATIVE PHYSIOLOGY A-SENSORY NEURAL AND BEHAVIORAL PHYSIOLOGY
fascicolo: 2, volume: 185, anno: 1999,
pagine: 173 - 180
SICI:
0340-7594(199908)185:2<173:PLLRTA>2.0.ZU;2-H
Fonte:
ISI
Lingua:
ENG
Soggetto:
DIPOLE SOURCE LOCALIZATION; MOTTLED SCULPIN; APLOCHEILUS-LINEATUS; EXCITATION PATTERNS; XENOPUS-LAEVIS; COTTUS-BAIRDI; CLAWED FROG; SYSTEM; FISH; DISCRIMINATION;
Keywords:
mechanoreception; hydrodynamic; dipole; neuromast; primary afferent;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Life Sciences
Citazioni:
32
Recensione:
Indirizzi per estratti:
Indirizzo: Mogdans, J Univ Bonn, Inst Zool, Poppelsdorfer Schloss, D-53115 Bonn, Germany Univ Bonn Poppelsdorfer Schloss Bonn Germany D-53115 , Germany
Citazione:
J. Mogdans e H. Bleckmann, "Peripheral lateral line responses to amplitude-modulated sinusoidal wave stimuli", J COMP PH A, 185(2), 1999, pp. 173-180

Abstract

This report describes the responses of single afferent fibers in the posterior lateral line nerve of the goldfish, Carassius auratus, to pure tone and to amplitude-modulated sinusoidal wave stimuli generated by a dipole source (stationary vibrating sphere). Responses were characterized in terms of output-input functions relating responses to vibration amplitude, peri-stimulus time histograms relating responses to stimulus duration, and the degree of phase-locking to both the carrier frequency and the modulation frequency of the amplitude-modulated stimulus. All posterior lateral line nerve fibers responded to a pure sine wave with sustained and strongly phase-lockeddischarges. When stimulated with amplitude-modulated sine waves, fibers responded with strong phase-locking to the carrier frequency and, in addition, discharge rates were modulated according to the amplitude modulation frequency. However, phase-locking to the amplitude modulation frequency was weaker than phase-locking to the carrier frequency. The data indicate that thedischarges of primary lateral line afferents encode both the carrier frequency and the modulation frequency of an amplitude-modulated wave stimulus.

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Documento generato il 28/09/20 alle ore 05:25:45