Cerebellar Oscillations in Familial and Sporadic Essential Tremor. Wong, S., Wang, Y., Lin, C., Geng, S. K., Vanegas-Arroyave, N., Pullman, S. L., Kuo, S., & Pan, M. Cerebellum (London, England), 21(3):425–431, June, 2022. doi abstract bibtex Enhanced cerebellar oscillations have recently been identified in essential tremor (ET) patients as a key pathophysiological change. Since ET is considered a heterogeneous group of diseases, we investigated whether cerebellar oscillations differ in ET subtypes (familial vs. sporadic). This study aims to determine cerebellar physiology in familial and sporadic ET. Using surface electroencephalogram, we studied cerebellar physiology in 40 ET cases (n = 22 familial and n = 18 sporadic) and 20 age-matched controls. Both familial and sporadic ET cases had an increase in the intensity of cerebellar oscillations when compared to controls. Interestingly, cerebellar oscillations correlated with tremor severity in familial ET but not in sporadic ET. Our study demonstrated that ET cases have enhanced cerebellar oscillations, and the different relationships between cerebellar oscillations and tremor severity in familial and sporadic ET suggest diverse cerebellar pathophysiology.
@article{wong_cerebellar_2022,
title = {Cerebellar {Oscillations} in {Familial} and {Sporadic} {Essential} {Tremor}},
volume = {21},
issn = {1473-4230},
doi = {10.1007/s12311-021-01309-9},
abstract = {Enhanced cerebellar oscillations have recently been identified in essential tremor (ET) patients as a key pathophysiological change. Since ET is considered a heterogeneous group of diseases, we investigated whether cerebellar oscillations differ in ET subtypes (familial vs. sporadic). This study aims to determine cerebellar physiology in familial and sporadic ET. Using surface electroencephalogram, we studied cerebellar physiology in 40 ET cases (n = 22 familial and n = 18 sporadic) and 20 age-matched controls. Both familial and sporadic ET cases had an increase in the intensity of cerebellar oscillations when compared to controls. Interestingly, cerebellar oscillations correlated with tremor severity in familial ET but not in sporadic ET. Our study demonstrated that ET cases have enhanced cerebellar oscillations, and the different relationships between cerebellar oscillations and tremor severity in familial and sporadic ET suggest diverse cerebellar pathophysiology.},
language = {eng},
number = {3},
journal = {Cerebellum (London, England)},
author = {Wong, Shi-Bing and Wang, Yi-Mei and Lin, Chih-Chun and Geng, Scott Kun and Vanegas-Arroyave, Nora and Pullman, Seth L. and Kuo, Sheng-Han and Pan, Ming-Kai},
month = jun,
year = {2022},
pmid = {34341893},
pmcid = {PMC8970339},
keywords = {Cerebellum, Electroencephalogram, Electroencephalography, Essential Tremor, Essential tremor, Humans, Oscillation, Physical Therapy Modalities, Physiology, Tremor},
pages = {425--431},
}
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