Results 251 to 260 of about 86,444 (281)

Temporal stability and neural complexity in resting-state MEG predict migraine phenotypes. [PDF]

J Headache Pain
Hsiao FJ, Chen WT, Chen SP, Wang YF, Lai KL, Coppola G, Wang SJ.   +6 more
europepmc   +1 more source

Neural Oscillatory and Network Signatures of Age-Related Cognitive Decline Under Motor-Cognitive Dual-Task Conditions. [PDF]

Brain Sci
Guo M, Wang Q, Li M, Sun L, Wang T, Xu G, Wang L.   +6 more
europepmc   +1 more source

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Anxiety and synchrony of alpha oscillations

International Journal of Psychophysiology, 2005
The associations between state anxiety and individually adjusted alpha sub-bands mean spectral power and coherence measures registered in resting condition and during experimental settings were investigated in 30 males aged 18-25 years. Averaged across all cortical sites, spectral power was treated as a complex measure dependent on both the number of ...
Gennadij G, Knyazev, Alexander N, Savostyanov, Evgenij A, Levin   +2 more
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The many characters of visual alpha oscillations

European Journal of Neuroscience, 2017
AbstractA central feature of human brain activity is the alpha rhythm: a 7–13 Hz oscillation observed most notably over occipitoparietal brain regions during periods of eyes‐closed rest. Alpha oscillations covary with changes in visual processing and have been associated with a broad range of neurocognitive functions.
Michael S. Clayton, Nick Yeung, Roi Cohen Kadosh   +2 more
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Alpha oscillations as a correlate of trait anxiety

International Journal of Psychophysiology, 2004
The associations among psychometric measures of anxiety and depression and individually adjusted electroencephalogram (EEG) spectral power measures registered in resting condition and during experimental settings were investigated in 30 males aged 18-25 years. During all stages of registration, Taylor Manifest Anxiety and Spielberger state anxiety (SA)
Gennadij G, Knyazev, Alexander N, Savostyanov, Evgenij A, Levin   +2 more
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Cause or consequence? Alpha oscillations in visuospatial attention

Trends in Neurosciences, 2021
A well-established finding in the literature of human studies is that alpha activity (rhythmical brain activity around 10 Hz) shows retinotopic amplitude modulation during shifts in visual attention. Thus, it has long been argued that alpha amplitude modulation might play a crucial role in attention-driven alterations in visual information processing ...
Charline, Peylo, Yannik, Hilla, Paul, Sauseng   +2 more
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Disruption of alpha oscillation propagation in patients with schizophrenia

Clinical Neurophysiology
Propagation of electroencephalogram (EEG) oscillations, often referred to as traveling waves, reflects the role of brain oscillations in neural information transmission. This propagation can be distorted by brain disorders such as schizophrenia that features disconnection of neural information transmission (i.e., disconnection syndrome).
Duho Sihn, Sung-Phil Kim
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The Theory of Alpha Oscillations in Attractor Networks

European Journal of Neuroscience
ABSTRACT Alpha oscillation activity (8–12 Hz) characterizes the awake resting state of the brain. However, changes in alpha oscillations have also been linked to a wide range of cognitive processes, suggesting their functional relevance. In this article, we present a theory that provides a unifying view of these phenomena.
Marcin Penconek, Andrzej Wróbel
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The Roles of Alpha Oscillations in Attentional Blink

Journal of Cognitive Neuroscience
Abstract The attentional blink (AB) refers to impaired processing of a second target (T2) when presented 200–500 msec after a first target (T1) in a rapid serial visual presentation stream. There is converging evidence that alpha oscillations (8–12 Hz) may be critical for AB performance, as they can regulate attentional control and ...
Sahereh, Varastegan, Weiwei, Zhang
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STOCHASTIC RESONANCE IN ALPHA OSCILLATORS IN THE HUMAN BRAIN

International Journal of Bifurcation and Chaos, 2002
We experimentally study stochastic resonance (SR) in the human brain through a noise effect for entrainment dynamics of the alpha (α) wave. The measurement has been carried out under the following conditions in order to obtain clear evidence of the SR phenomenon in the central nervous system.
Toshio Mori, Shoichi Kai
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