Acute effect of flunarizine on saccadic eye movements. 1992

G Tedeschi, and G Casucci, and A Di Costanzo, and V Bonavita
Istituto di Scienze Neurologiche, I Facoltà di Medicina, Università di Napoli.

It has been postulated that flunarizine (FNZ) acts on the brain through a stabilizing effect on membrane electrical activity of neurones. It has been also suggested that neurogenic events characterized by an increased tendency of nerve cells to fire, could be involved in the pathogenesis of migraine and epilepsy. The study was aimed to assess the effect of a single oral dose of FNZ (20 mg) on CNS specific functions by means of computer analysis of saccadic eye movements. The study was performed on six healthy volunteers according to a double-blind, cross-over, placebo controlled design. FNZ produced a significant reduction only of peak saccadic velocity, thus suggesting a rather specific and selective effect on the burst cells of the para-median pontine reticular formation.

UI MeSH Term Description Entries
D008297 Male Males
D009474 Neurons The basic cellular units of nervous tissue. Each neuron consists of a body, an axon, and dendrites. Their purpose is to receive, conduct, and transmit impulses in the NERVOUS SYSTEM. Nerve Cells,Cell, Nerve,Cells, Nerve,Nerve Cell,Neuron
D012154 Reticular Formation A region extending from the PONS & MEDULLA OBLONGATA through the MESENCEPHALON, characterized by a diversity of neurons of various sizes and shapes, arranged in different aggregations and enmeshed in a complicated fiber network. Formation, Reticular,Formations, Reticular,Reticular Formations
D004311 Double-Blind Method A method of studying a drug or procedure in which both the subjects and investigators are kept unaware of who is actually getting which specific treatment. Double-Masked Study,Double-Blind Study,Double-Masked Method,Double Blind Method,Double Blind Study,Double Masked Method,Double Masked Study,Double-Blind Methods,Double-Blind Studies,Double-Masked Methods,Double-Masked Studies,Method, Double-Blind,Method, Double-Masked,Methods, Double-Blind,Methods, Double-Masked,Studies, Double-Blind,Studies, Double-Masked,Study, Double-Blind,Study, Double-Masked
D005444 Flunarizine Flunarizine is a selective calcium entry blocker with calmodulin binding properties and histamine H1 blocking activity. It is effective in the prophylaxis of migraine, occlusive peripheral vascular disease, vertigo of central and peripheral origin, and as an adjuvant in the therapy of epilepsy. Flunarizin,Flunarizine Dihydrochloride,Flunarizine Hydrochloride,R-14950,Sibelium,Dihydrochloride, Flunarizine,Hydrochloride, Flunarizine,R 14950,R14950
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults
D012438 Saccades An abrupt voluntary shift in ocular fixation from one point to another, as occurs in reading. Pursuit, Saccadic,Saccadic Eye Movements,Eye Movement, Saccadic,Eye Movements, Saccadic,Movement, Saccadic Eye,Movements, Saccadic Eye,Pursuits, Saccadic,Saccade,Saccadic Eye Movement,Saccadic Pursuit,Saccadic Pursuits

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