کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
5739371 | 1615556 | 2017 | 29 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Abnormal auditory synchronization in stuttering: A magnetoencephalographic study
ترجمه فارسی عنوان
همگام سازی شنوایی غیر طبیعی در لکنت: مطالعه مغناطیسفالوگرافی
دانلود مقاله + سفارش ترجمه
دانلود مقاله ISI انگلیسی
رایگان برای ایرانیان
کلمات کلیدی
PWSPLVAEFPLFHCsDAFRMSECDhpiPhase-locking value - ارزش قفل فازیDelayed auditory feedback - بازخورد شنیداری به تاخیر افتادMEG - بهfMRI - تصویرسازی تشدید مغناطیسی کارکردیfunctional magnetic resonance imaging - تصویرسازی تشدید مغناطیسی کارکردیequivalent current dipole - دو قطبی معادل فعلیStuttering - لکنت زبانmagnetoencephalography - مغناطیس مغزroot mean square - میانگین مربع ریشهsynchronization - همگامیhealthy controls - کنترل های سالم
موضوعات مرتبط
علوم زیستی و بیوفناوری
علم عصب شناسی
سیستم های حسی
چکیده انگلیسی
In a previous magnetoencephalographic study, we showed both functional and structural reorganization of the right auditory cortex and impaired left auditory cortex function in people who stutter (PWS). In the present work, we reevaluated the same dataset to further investigate how the right and left auditory cortices interact to compensate for stuttering. We evaluated bilateral N100m latencies as well as indices of local and inter-hemispheric phase synchronization of the auditory cortices. The left N100m latency was significantly prolonged relative to the right N100m latency in PWS, while healthy control participants did not show any inter-hemispheric differences in latency. A phase-locking factor (PLF) analysis, which indicates the degree of local phase synchronization, demonstrated enhanced alpha-band synchrony in the right auditory area of PWS. A phase-locking value (PLV) analysis of inter-hemispheric synchronization demonstrated significant elevations in the beta band between the right and left auditory cortices in PWS. In addition, right PLF and PLVs were positively correlated with stuttering frequency in PWS. Taken together, our data suggest that increased right hemispheric local phase synchronization and increased inter-hemispheric phase synchronization are electrophysiological correlates of a compensatory mechanism for impaired left auditory processing in PWS.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Hearing Research - Volume 344, February 2017, Pages 82-89
Journal: Hearing Research - Volume 344, February 2017, Pages 82-89
نویسندگان
Yoshikazu Kikuchi, Tsuyoshi Okamoto, Katsuya Ogata, Koichi Hagiwara, Toshiro Umezaki, Masamutsu Kenjo, Takashi Nakagawa, Shozo Tobimatsu,