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Timely Event-related synchronization Fading and Phase De-locking and Their Defects in Migraine

Cited 2 time in Web of Science Cited 2 time in Scopus
Authors
Yum, Myung-Kul; Moon, Jin-Hwa; Kang, Joong Koo; Kwon, Oh-Young; Park, Ki-Jong; Shon, Young-Min; Lee, Il Keun; Jung, Ki-Young
Issue Date
2013-12
Publisher
Elsevier
Citation
Clinical Neurophysiology, Vol.125 No.7, pp. 1400-1406
Keywords
의약학MigraineERPAlpha oscillationERSPhase locking index
Abstract
Objective
To investigate the characteristics of event-related synchronization (ERS) fading and phase de-locking of alpha waves during passive auditory stimulation (PAS) in the migraine patients.

Methods
The subjects were 16 adult women with migraine and 16 normal controls. Electroencephalographic (EEG) data obtained during PAS with standard (SS) and deviant stimuli (DS) were used. Alpha ERS fading, the phase locking index (PLI) and de-locking index (DLI) were evaluated from the 10 Hz complex Morlet wavelet components at 100 ms (t100) and 300 ms (t300) after PAS.

Results
At t100, significant ERS was found with SS and DS in the migraineurs and controls (P = 0.000). At t300 in the controls, ERS faded to zero for DS while in the migraineurs there was no fading for DS. In both groups the PLI for SS and DS was significantly reduced, i.e. de-locked, at t300 compared to t100 (P = 0.000). In the migraineurs, the DLI for DS was significantly lower than in the controls (P = 0.003).

Conclusion
The alpha ERS fading and phase de-locking are defective in migraineurs during passive auditory cognitive processing.

Significance
The defects in timely alpha ERS fading and in de-locking may play a role in the different attention processing in migraine patients.
ISSN
1388-2457
Language
English
URI
http://hdl.handle.net/10371/91790
DOI
https://doi.org/10.1016/j.clinph.2013.11.024
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College of Medicine/School of Medicine (의과대학/대학원)Dept. of Neurology (신경과학교실)Journal Papers (저널논문_신경과학교실)
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