Abstract
Objective: Periodic alternating nystagmus has been associated with the instability of the velocity storage mechanism, which is known to play an important role in both the vestibulo-oculomotor and the optokinetic systems. In the present study we looked for a possible spinal equivalent to PAN. Methods and results: In 3 PAN patients, the H-reflex amplitude proved to be slightly but significantly influenced by nystagmus direction, in that it was greater when the nystagmus was beating toward the stimulation side. Conclusions: This finding suggests that projections from velocity storage may play a role not only in the ocular motor but also in assisting postural stability through the vestibulo-spinal system. Copyright (C) 2000 Elsevier Science Ireland Ltd.
Original language | English |
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Pages (from-to) | 1337-1339 |
Number of pages | 3 |
Journal | Clinical Neurophysiology |
Volume | 111 |
Issue number | 8 |
DOIs | |
Publication status | Published - Aug 1 2000 |
Keywords
- H-reflex
- Periodic alternating nystagmus
- Postural stability
- Velocity storage
ASJC Scopus subject areas
- Clinical Neurology
- Physiology (medical)
- Radiology Nuclear Medicine and imaging
- Neurology
- Sensory Systems