نتایج جستجو برای: 8 hz and alpha 8
تعداد نتایج: 16953717 فیلتر نتایج به سال:
We used non-linear analysis to investigate the dynamical properties underlying the EEG in the model of Sahaja Yoga meditation. Non-linear dimensional complexity (DCx) estimates, indicating complexity of neuronal computations, were analyzed in 20 experienced meditators during rest and meditation using 62-channel EEG. When compared to rest, the meditation was accompanied by a focused decrease of ...
qEEG spectral analysis has been considered highly sensitive to cortical functional changes and agrees strongly with the clinical diagnosis of AD. The sensitivity of spectral analysis has ranged from 71% to 81% in several studies.1-3. Objective The aim of this study was to retrospectively evaluate whether alpha qEEG spectral peak can supplement clinical examination by constituting an independe...
Healthy aging is accompanied by listening difficulties, including decreased speech comprehension, that stem from an ill-understood combination of sensory and cognitive changes. Here, we use electroencephalography to demonstrate that auditory neural oscillations of older adults entrain less firmly and less flexibly to speech-paced (∼3 Hz) rhythms than younger adults' during attentive listening. ...
The brain's spontaneous, intrinsic activity is increasingly being shown to reveal brain function, delineate large scale brain networks, and diagnose brain disorders. One of the most studied and clinically utilized types of intrinsic brain activity are oscillations in the electrocorticogram (ECoG), a relatively localized measure of cortical synaptic activity. Here we objectively characterize the...
We compare two optical clocks based on the ${^{2}S}_{1/2}(F=0)\ensuremath{\rightarrow}{^{2}D}_{3/2}(F=2)$ electric quadrupole (E2) and ${^{2}S}_{1/2}(F=0)\ensuremath{\rightarrow}{^{2}F}_{7/2}(F=3)$ octupole (E3) transition of ${^{171}\mathrm{Yb}}^{+}$ measure frequency ratio ${\ensuremath{\nu}}_{\mathrm{E}3}/{\ensuremath{\nu}}_{\mathrm{E}2}=0.932829404530965376(32)$, improving upon previous mea...
OBJECTIVE To measure the presence of the alpha-sleep anomaly in facioscapulohumeral muscular dystrophy (FSHD) and to evaluate the association between the sleep electroencephalogram (EEG) pattern and the presence of musculoskeletal pain. DESIGN Cross-sectional study. SETTING Sleep laboratory. SUBJECTS Fifty-five consecutive adult FSHD patients, 26 women and 29 men, age 49.6 ± 15.1 years (r...
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