Results 31 to 40 of about 86,444 (281)

The Oscillation Probability of GeV Solar Neutrinos of All Active Species [PDF]

open access: yes, 2000
In this paper, I address the oscillation probability of O(GeV) neutrinos of all active flavours produced inside the Sun and detected at the Earth. Flavours other than electron-type neutrinos may be produced, for example, by the annihilation of WIMPs ...
A. Bueno   +53 more
core   +3 more sources

Intra-cortical propagation of EEG alpha oscillations [PDF]

open access: yesNeuroImage, 2014
The most salient feature of spontaneous human brain activity as recorded with electroencephalography (EEG) are rhythmic fluctuations around 10Hz. These alpha oscillations have been reported to propagate over the scalp with velocities in the range of 5-15m/s. Since these velocities are in the range of action potential velocities through cortico-cortical
Rikkert Hindriks   +2 more
openaire   +3 more sources

Neural Activity Is Dynamically Modulated by Memory Load During the Maintenance of Spatial Objects

open access: yesFrontiers in Psychology, 2018
Visuospatial working memory (WM) is a fundamental but severely limited ability to temporarily remember selected stimuli. Several studies have investigated the underlying neural mechanisms of maintaining various visuospatial stimuli simultaneously (i.e ...
Yali Pan   +9 more
doaj   +1 more source

Brain oscillation-synchronized stimulation of the left dorsolateral prefrontal cortex in depression using real-time EEG-triggered TMS

open access: yesBrain Stimulation, 2020
Background: Repetitive transcranial magnetic stimulation (rTMS) of the left dorsolateral prefrontal cortex (DLPFC) is an effective treatment for major depressive disorder (MDD), but response rates are low and effect sizes small.
Brigitte Zrenner   +8 more
doaj   +1 more source

The Ehrenfest Oscillations in The Level Statistics of Chaotic Quantum Dots [PDF]

open access: yes, 2003
We study a crossover from classical to quantum picture in the electron energy statistics in a system with broken time-reversal symmetry. The perturbative and nonperturbative parts of the two level correlation function, $R(\omega)$ are analyzed.
Larkin, Anatoly I., Tian, Chushun
core   +1 more source

Alpha oscillations in brain functioning: an integrative theory

open access: yesInternational Journal of Psychophysiology, 1997
The old concept stating that EEG alpha (10-Hz) activity reflects passive or idling states of the brain is giving way to modern views of 10-Hz oscillations in relation to diverse brain functions comprising sensory, motor, and memory processes: (1) Spontaneous alpha activity is not pure noise as shown by methods of chaos analysis.
Basar, E   +3 more
openaire   +3 more sources

Alpha Oscillations Are Involved in Localizing Touch on Handheld Tools [PDF]

open access: yesJournal of Cognitive Neuroscience, 2021
Abstract The sense of touch is not restricted to the body but can also extend to external objects. When we use a handheld tool to contact an object, we feel the touch on the tool and not in the hand holding the tool. The ability to perceive touch on a tool actually extends along its entire surface, allowing the user to accurately ...
Cécile Fabio   +4 more
openaire   +4 more sources

Nonequivalent After-Effects of Alternating Current Stimulation on Motor Cortex Oscillation and Inhibition: Simulation and Experimental Study

open access: yesBrain Sciences, 2022
The effects of transcranial alternating current stimulation (tACS) frequency on brain oscillations and cortical excitability are still controversial.
Makoto Suzuki   +6 more
doaj   +1 more source

Event-related alpha oscillations in task processing

open access: yesClinical Neurophysiology, 1999
Recent findings substantiate the view that electroencephalographic (EEG) alpha rhythm (7-13 Hz) is functionally involved in information processing. However, the association of alpha rhythms with cognitive brain processes is less well understood because both augmentation and suppression of alpha oscillations have been observed to accompany task ...
Kolev, V   +3 more
openaire   +3 more sources

The Differential and Interactive Effects of Aging and Mental Fatigue on Alpha Oscillations: A Resting-State Electroencephalography Study

open access: yesBrain Sciences
Background: Both aging and cognitive fatigue are significant factors influencing alpha activity in the brain. However, the interactive effects of age and mental fatigue on the alpha spectrum and functional connectivity have not been fully elucidated ...
Xiaodong Yang   +7 more
doaj   +1 more source

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