Downbeat nystagmus associated with damage to the medial longitudinal fasciculus of the pons: A vestibular balance control mechanism via the lower brainstem paramedian tract neurons.
Nakamagoe K, Fujizuka N, Koganezawa T, Yamaguchi T, Tamaoka A
J Neurol Sci. 2013 Mar 16. PMID: 23510567.Abstract