نتایج جستجو برای: individual upper alpha band

تعداد نتایج: 954795  

Journal: :Journal of Cosmology and Astroparticle Physics 2023

We search for a first-order phase transition (PT) gravitational wave (GW) signal from Advanced LIGO and Virgo's first three observing runs. Due to the large theoretical uncertainties, four GW energy spectral shapes bubble sound collisions widely adopted in literature are investigated, separately. Our results indicate that there is no evidence existence of such signals, therefore we give upper l...

Journal: :Applied psychophysiology and biofeedback 2014
C Escolano M Navarro-Gil J Garcia-Campayo J Minguez

The minimization of the non-specific factors of neurofeedback (NF) is an important aspect to further advance in the understanding of the effects of these types of procedures. This paper investigates the NF effects of a single session (25 min) of individual upper alpha enhancement following a sham-controlled experimental design (19 healthy participants). We measured immediate effects after the t...

Journal: : 2021

Let $(X, \tau)$ and $(Y, \sigma)$ be topological spaces in which no separation axioms are assumed, unless explicitly stated if $\mathcal{I}$ is an ideal on $X$.Given a multifunction $F\colon (X, \tau)\rightarrow (Y, \sigma)$, $\alpha,\beta$ operators \tau)$, $\theta,\delta$ proper $X$. We introduce study upper lower $(\alpha, \beta,\theta,\delta,\mathcal{I})$-continuous multifunctions.A said to...

Journal: :The Journal of clinical endocrinology and metabolism 1999
C Sparey S C Robson J Bailey F Lyall G N Europe-Finner

There is evidence from many studies indicating that a number of specific quiescent and contractile associated proteins are temporally regulated in the myometrium during pregnancy. In this present investigation we provide data that strongly suggest that myometrial connexin-43, cyclooxygenase-1 and -2 (COX-1 and -2), and Gs alpha proteins are also spatially expressed within the human uterus durin...

2003
S. P. Kelly P. Dockree R. B. Reilly I. H. Robertson

Alpha activity at certain brain regions and the functional relationships between these regions quantified by alpha coherence were examined in a fixed sequence Sustained Attention to Response Task (SART), which involves the withholding of key presses to rare targets. The effects of distinguishing smaller sub bands within the alpha band to explain distinct cognitive components are assessed. It wa...

2016
Srivas Chennu Stuart O'Connor Ram Adapa David K. Menon Tristan Bekinschtein

Accurately measuring the neural correlates of consciousness is a grand challenge for neuroscience. Despite theoretical advances, developing reliable brain measures to track the loss of reportable consciousness during sedation is hampered by significant individual variability in susceptibility to anaesthetics. We addressed this challenge using high-density electroencephalography to characterise ...

Journal: :The Astrophysical Journal 2021

The Ly$\alpha$ luminosity function (LF) of emitters (LAEs) has been used to constrain the neutral hydrogen fraction in intergalactic medium (IGM) and thus timeline cosmic reionization. Here we present results a new narrow-band imaging survey for $z=7.3$ LAEs large area $\sim 3\ \mathrm{deg}^2$ with Subaru/Hyper Suprime-Cam. No are detected down $L_{\mathrm{Ly}\alpha}\simeq 10^{43.2}\ \mathrm{er...

2012
Neda Salari Christian Büchel Michael Rose

The state of a neural assembly preceding an incoming stimulus is assumed to modulate the processing of subsequently presented stimuli. The nature of this state can differ with respect to the frequency of ongoing oscillatory activity. Oscillatory brain activity of specific frequency range such as alpha (8-12 Hz) and gamma (above 30 Hz) band oscillations are hypothesized to play a functional role...

Journal: :Brain research. Cognitive brain research 2004
Claudio Babiloni Carlo Miniussi Fabio Babiloni Filippo Carducci Febo Cincotti Claudio Del Percio Giulia Sirello Claudia Fracassi Anna C Nobre Paolo Maria Rossini

In the present high-resolution electroencephalographic (EEG) study, event-related desynchronization/synchronization (ERD/ERS) of alpha rhythms was computed during an S1-S2 paradigm, in which a visual cue (S1) predicted a SHORT (600 ms) or LONG (1400 ms) foreperiod, preceding a visual go stimulus (S2) triggering right or left finger movement. Could orienting attention to a selective point in tim...

2008
C. Ian Short

We investigate the ability of both LTE and Non-LTE models to fit the near UV band absolute flux distribution, fλ(λ), and individual spectral line profiles of three standard stars for which high quality spectrophotometry and high resolution spectroscopy are available: The Sun (G2 V), Arcturus (K2 III), and Procyon (F5 IV-V). We investigate 1) the effect of the choice of atomic line list on the a...

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