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F wave in acute cerebellar damage
Author(s) -
Drozdowski W.
Publication year - 1995
Publication title -
acta neurologica scandinavica
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.967
H-Index - 95
eISSN - 1600-0404
pISSN - 0001-6314
DOI - 10.1111/j.1600-0404.1995.tb00421.x
Subject(s) - hypotonia , medicine , spinal cord , cerebellum , neuroscience , psychology
Studies of occurrence of the F wave can be considered as a method of assessment of excitability of the spinal cord motoneurones. So far it has been analyzed in relation to the damage to the pyramidal and extrapyramidal systems. In the present paper, various parameters of the F response (maximal and mean amplitude‐absolute and in relation to the M response, frequency of occurrence of all and identical F waves, minimal latency and chronodyspersion) were given analysis in 15 patients with hypotonia after acute cerebellar damage, and in 35 healthy subjects. In the patients, the F response was found to be decreased in amplitude (mean‐absolute and ratio to M) and in frequency. Therefore, a conclusion can be drawn that it confirms the decrease of segmental motoneurone excitability after cerebellar damage.