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Saccadic and smooth-pursuit eye movement in neurootological diagnostic procedures.
- Source :
-
The international tinnitus journal [Int Tinnitus J] 2005; Vol. 11 (1), pp. 52-3. - Publication Year :
- 2005
-
Abstract
- The origin of the generation of saccadic and smooth-pursuit eye movements has not been proved. The goal of the study reported here was to search for the connection of visuooculomotor reactions--saccades and eye-tracking test--with cerebellar damage. Using electronystagmography, we tested 11 patients treated with aminoglycosides because of pneumonia. After a mean of 21 days of pharmacological therapy, a neurological examination revealed cerebellar disability in all cases. On the basis of our previous studies, we suspected cortical Purkinje cell damage. In all tested patients, saccadic movements were disturbed: We observed overshoot, undershoot, and prolonged latencies. In seven patients, eye-tracking test results were not correct: We noted the degradation of the sinusoidal pattern most often. The results pointed to a connection between the generation of these two tested visuooculomotor reactions with cerebellar diseases possibly located in the cortex.
- Subjects :
- Adult
Anti-Bacterial Agents adverse effects
Anti-Bacterial Agents therapeutic use
Cerebellar Diseases chemically induced
Cerebellar Diseases diagnosis
Cerebellum drug effects
Electronystagmography
Female
Gentamicins adverse effects
Gentamicins therapeutic use
Humans
Male
Middle Aged
Neurologic Examination
Pneumonia, Bacterial drug therapy
Purkinje Cells drug effects
Purkinje Cells pathology
Pursuit, Smooth drug effects
Reaction Time
Saccades drug effects
Treatment Outcome
Cerebellar Diseases physiopathology
Cerebellum physiopathology
Pursuit, Smooth physiology
Saccades physiology
Subjects
Details
- Language :
- English
- ISSN :
- 0946-5448
- Volume :
- 11
- Issue :
- 1
- Database :
- MEDLINE
- Journal :
- The international tinnitus journal
- Publication Type :
- Academic Journal
- Accession number :
- 16419690