Balanceorganet
Balanceorganet eller ligevægtsorganet er et system, der styrer balance hos de fleste pattedyr og til at opfatte rumlig orientering. Det er et sansesystem der udgør det væsentligste bidrag i forhold til motorik og balancesans. Sammen med cochlea er det en del af det audiotive system og det indeholder labyrinten i det indre øre i de fleste pattedyr. Bevægelse består af rotationer og oversættelser i labyrinten. Det halvcirkelformede kanalsystem styrer rotationshastighed og otolitten styrer lineær acceleration. Balanceorganet sender signaler til primært neurale strukturer, der styrer synet og til de muskler, der holder et individ oprejst. Projektionerne giver basis for vestibule-okular refleks, som kræves for at opnå et klart syn og for projektioner, der styrer musklernes positur på kroppen.
Eksterne henvisninger
- (Video) Head Impulse Testing site Arkiveret 2. oktober 2016 hos Wayback Machine (vHIT) Site with thorough information about vHIT
- Motor Learning in the VOR in Mice at edboyden.org
- Review on VOR adaptation via slides[permanent dødt link] at Johns Hopkins University
- Center for Integration of Medicine and Innovative Technology - Testing device development
- Depiction of Oculocephalic and Caloric reflexes Arkiveret 27. maj 2013 hos Wayback Machine
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