PMID: 6965460Feb 10, 1980Paper

Eye movement related neurons in the cat pontine reticular formation: projection to the flocculus

Brain Research
S NakaoC H Markham

Abstract

This study examines projection to the cerebellar flocculus of eye movement-related neurons in the median and paramedian part of the cat pontine tegmentum between the trochlear and the abducens nucleus. They were identified by rhythmic activity related to horizontal vestibular nystagmus induced by sinusoidal rotation. These neurons were classified into several groups by their discharge patterns during nystagmus, using criteria of earlier studies on saccadic eye movements and vestibular nystagmus in the monkey. Electrical stimulation of the ipsilateral flocculus elicited antidromic spike responses in a number of burst-tonic neurons and long-lead and medium-lead burst neurons. These neurons were located in and around the medial longitudinal fasciculus, the nucleus raphe pontis and the nucleus reticularis tegmenti pontis. A few neurons tested were also activated antidromically by stimulation of the contralateral flocculus. In contrast, no pauser neurons were activated from the ipsilateral flocculus. It is concluded that eye movement-related neurons in the medial pontine tegmentum, except for pauser neurons, directly project to the flocculus and may convey information about eye movements of visual and vestibular origins to the flocc...Continue Reading

Citations

Oct 1, 1996·Progress in Neurobiology·A K MoschovakisS M Highstein
Jul 17, 2004·Proceedings. Biological Sciences·John PorrillJames V Stone
Jun 19, 1996·Annals of the New York Academy of Sciences·J A Büttner-Ennever, A K Horn
Jun 19, 1996·Annals of the New York Academy of Sciences·G CheronE Godaux
Oct 22, 2009·The Journal of Comparative Neurology·Sherie MaAndrew L Gundlach
Jun 3, 1982·Brain Research·C R Kaneko, A F Fuchs
Jan 1, 1981·Annals of the New York Academy of Sciences·C H MarkhamI S Curthoys
Oct 14, 2005·Progress in Brain Research·Anja K E Horn
Jan 1, 1981·The International Journal of Neuroscience·C Torda
Jan 1, 1981·Annals of the New York Academy of Sciences·T KawasakiK Mizukoshi
Jul 1, 1983·The Journal of Comparative Neurology·T P Langer, C R Kaneko
Jan 1, 1989·The Journal of Comparative Neurology·Y SatoT Kawasaki

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