disconjugate

The disconjugate nystagmus, head titubation, and torticollis of spasmus nutans have been reported as indisinguishable from those associated with glioma of the anterior visual pathway.

1994 June, Kyle A. Arnoldi, Lawrence Tychsen, “Prevalence of Intracranial Lesions in Children Presenting with Disconjugate Nystagmus (Spasmus Nutans)”, in Update on Strabismus and Pediatric Ophthalmology: Proceedings of the Joint ISA and AAPO&S Meeting, Vancouver, Canada, →ISBN

In other words, the subject learned to preprogram intrasaccadic and postsaccadic disconjugate movements independent of any immediate disparity cues.

1999, R. John Leigh, David S. Zee, The Neurology of Eye Movements, →ISBN

The aim of this paper consists on the study of the following fourth-order operator: \begin{equation}\label{Ec::T4} T[M]\,u(t)\equiv u^{(4)}(t)+p_1(t)\,u"'(t)+p_2(t)\,u"(t)+M\,u(t)\,,\ t\in I \equiv [a,b]\,, \end{equation} coupled with the two point boundary conditions: \begin{equation}\label{Ec::cf} u(a)=u(b)=u"(a)=u"(b)=0\,. \end{equation} So, we define the following space: \begin{equation}\label{Ec::esp} X=\left\lbrace u\in C^4(I)\quad\mid\quad u(a)=u(b)=u"(a)=u"(b)=0 \right\rbrace \,. \end{equation} Here p#95;1#92;inC³(I) and p#95;2#92;inC²(I). By assuming that the second order linear differential equation \begin{equation}\label{Ec::2or} L_2\, u(t)\equiv u"(t)+p_1(t)\,u'(t)+p_2(t)\,u(t)=0\,,\quad t\in I, \end{equation} is disconjugate on I, we characterize the parameter's set where the Green's function related to operator T#91;M#93; in X is of constant sign on I#92;timesI.

2016, Alberto Cabada, Lorena Saavedra, “Constant sign Green's function for simply supported beam equation”, in arXiv