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Function of otolith organ in goldfish revealed from analysis of eye movement induced by acceleration.

Function of otolith organ in goldfish revealed from analysis of eye movement induced by acceleration. Research Abstract Details 

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  • Function of otolith organ in goldfish revealed from analysis of eye movement induced by acceleration. Abstract Text:

    kaori iwataKaori Iwata,akira takabayashiAkira Takabayashi,shigeo moriShigeo Mori,

    An otolith organ on ground behave as a detector of both gravity and linear acceleration, and play an important role in controlling posture and eye movement for tilt of the head or translational motion. On the other hand, a gravitational acceleration ingredient to an otolith organ disappears in microgravity environment. However, linear acceleration can be received by otolith organ and produce a sensation that is different from that on Earth. It is suggested that in microgravity signal from the otolith organ may cause abnormality of posture control and eye movement. Therefore, the central nervous system may re-interprets all output from the otolith organ to indicate linear motion. A study of eye movement has been done a lot as one of a reflection related to an otolith organ system. In this study, we examined function of otolith organ in goldfish revealed from analysis of eye movement induced by linear acceleration or the tilt of body. We analyzed both torsional and vertical eye movements from video images frame by frame. For tilting stimulation, torsional eye movements induced by head down was larger than that induced by head up for larger tilt angle than 30 degrees. In the case of linear acceleration below 0.4 G, however, no clear differences were observed in both torsional and vertical eye movement. These results suggest that body tilt and linear acceleration may not be with equivalent stimulation to cause eye movement on the ground.

    Function of otolith organ in goldfish revealed from analysis of eye movement induced by acceleration. Publishing Authors By Initials

    k iwataK Iwata,a takabayashiA Takabayashi,s moriS Mori,

    For similar abstracts research abstracts see: abstracts research

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    Function of otolith organ in goldfish revealed from analysis of eye movement induced by acceleration. Journal Published:

    PUBLICATION TYPE: Journal Article

    Journal: Biological sciences in space = Uch? seibutsu kagak

    VOLUME: 17

    Page Numbers: 169-70

    Journal Abbreviation: Biol. Sci. Space

    ISSN: 0914-9201

    DAY: 16

    MONTH: Oct

    YEAR: 2003

    Function of otolith organ in goldfish revealed from analysis of eye movement induced by acceleration. Information

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    LANGUAGE: eng

    NlmUniqueID: 100972048

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    Grant and Affiliation Information for Function of otolith organ in goldfish revealed from analysis of eye movement induced by acceleration.

    AFFILIATION: School of Health Sciences, Fujita Health University.

    Country: Japan

    Japan Research PublicationJapan Research Publication

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    MEDLINETA: Biol Sci Space

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