Mostrando 601 - 620 Resultados de 854 Para Buscar '"The Alpha Band"', tiempo de consulta: 0.20s Limitar resultados
  1. 601
    por Li, Ling, Zhang, Jin-Xiang, Jiang, Tao
    Publicado 2011
    “…The networks of theta- and alpha- bands phase synchrony were most predominant in retention period for right visual field (RVF) WM than for LVF WM. …”
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    Visual Working Memory Load-Related Changes in Neural Activity and Functional Connectivity
  2. 602
    “…Lower cognitive performance correlated to decreased nodal centrality over left temporal (lower alpha-band) and right temporal (beta-band) sensors, and to increased nodal centrality over right parieto-temporal sensors (beta-band). …”
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    Cognitive Dysfunction in Early Multiple Sclerosis: Altered Centrality Derived from Resting-State Functional Connectivity Using Magneto-Encephalography
  3. 603
    “…Alpha-band activity (8–13 Hz) is not only suppressed by sensory stimulation and movements, but also modulated by attention, working memory and mental tasks, and could be sensitive to higher motor control functions. …”
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    EEG alpha activity reflects motor preparation rather than the mode of action selection
  4. 604
    “…Increased STNr power over 5–12 Hz (in the theta/alpha band) independently predicted better performance—reduced force decrement, shortened release reaction time and faster rate of force offset. …”
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    Frequency specific activity in subthalamic nucleus correlates with hand bradykinesia in Parkinson's disease
  5. 605
    “…YA obtained higher scores than OA, and showed higher activation of theta and alpha bands in the frontal and midline regions, besides a more evident right-hemispheric asymmetry on alpha band when compared to OA. …”
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    Age-Related Differences in Cortical Activity during a Visuo-Spatial Working Memory Task with Facial Stimuli
  6. 606
    por Yamanaka, Kentaro, Nozaki, Daichi
    Publicado 2013
    “…Finally, we recorded electroencephalogram (EEG) activity during a go/stop/re-go task and performed a single-trial-based EEG power and phase time-frequency analysis. Alpha-band EEG phase locking to re-go-signal, which was only observed in re-go trials with long SRSI (250 ms), weakened in the delayed re-go response trials. …”
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    Neural Mechanisms Underlying Stop-and-Restart Difficulties: Involvement of the Motor and Perceptual Systems
  7. 607
    “…METHODS: The peak alpha frequency (PAF) and power amplitude in the alpha band (7.5–13 Hz) were compared between groups in four regions of interest (frontal, central, parietal, and occipital) and were correlated with pain duration. …”
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    Altered resting state EEG in chronic pancreatitis patients: toward a marker for chronic pain
  8. 608
    “…Results: The main findings of this study were that: (1) compared with the control group, the ratios of power in theta band [P(theta)] vs. power in alpha band [P(alpha)] [P(theta)/P(alpha)] in the frontal region and left temporal region were significantly higher for aMCI, and (2) for aMCI, the alpha coherences in posterior, fronto-right temporal, fronto-posterior, right temporo-posterior were decreased; the theta coherences in left central-right central (LC-RC) and left posterior-right posterior (LP-RP) regions were also decreased; but the delta coherences in left temporal-right temporal (LT-RT) region were increased. …”
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    Relative power and coherence of EEG series are related to amnestic mild cognitive impairment in diabetes
  9. 609
    “…In line with previous studies we observed power increase in the theta/alpha band (4–12 Hz), power suppression in the beta band (13–30 Hz) and power increase in the gamma band (55–90 Hz) and high frequency band (101–375 Hz) during voluntary grips. …”
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    Complementary roles of different oscillatory activities in the subthalamic nucleus in coding motor effort in Parkinsonism()
  10. 610
    “…A current density increase appeared in the alpha band (8–12 Hz) for the NF group, localized in the subgenual anterior cingulate cortex (sgACC, BA 25). …”
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    A controlled study on the cognitive effect of alpha neurofeedback training in patients with major depressive disorder
  11. 611
    “…During 130 Hz/2V DBS, baseline (no DBS) STN alpha (8 – 12 Hz) and beta (13 – 35 Hz) band power decreased (N=14, P < 0.001 for both), whereas during 60 Hz/2V DBS, alpha band and peak frequency power increased (P = 0.012, P = 0.007, respectively). …”
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    Sixty Hertz Neurostimulation Amplifies Subthalamic Neural Synchrony in Parkinson’s Disease
  12. 612
    “…In delta and theta bands, SCZ had greater EEG-SFC than HV; a higher theta band connectivity in frontal regions was observed in LDD compared with SDD. In the alpha band, SCZ showed lower frontal EEG-SFC compared with HV whereas no differences were found between LDD and SDD. …”
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    Altered resting-state EEG source functional connectivity in schizophrenia: the effect of illness duration
  13. 613
    “…The (I) power amplitude and the (II) frequencies of the dominant peak in the alpha band will be the primary outcome measures of the study. …”
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    Immediate changes in electroencephalography activity in individuals with nonspecific chronic low back pain after cranial osteopathic manipulative treatment: study protocol of a randomized, controlled crossover trial
  14. 614
    “…It was furthermore found that auditory steady-state responses and alpha-band modulation were measured reliably with the ear-EEG modality. …”
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    EEG Recorded from the Ear: Characterizing the Ear-EEG Method
  15. 615
    “…Those containing the highest level of predictive information resided in and close to the alpha band. Their spatial patterns resemble topologies reported for visual attention processes as well as those of imagined or executed hand motor tasks. …”
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    Pre-Trial EEG-Based Single-Trial Motor Performance Prediction to Enhance Neuroergonomics for a Hand Force Task
  16. 616
    “…We use diffusion tensor imaging data and alpha band-limited EEG signal recorded in a group of healthy individuals. …”
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    Modeling of Large-Scale Functional Brain Networks Based on Structural Connectivity from DTI: Comparison with EEG Derived Phase Coupling Networks and Evaluation of Alternative Methods along the Modeling Path
  17. 617
    “…Results: Lower scores on SIS-Emotion was associated with (1) frontal EEG power asymmetry in alpha and beta bands, (2) central EEG power asymmetry in alpha and theta bands, and (3) lower inter-hemispheric coherence over frontal and central areas in alpha band. SIS-Emotion also correlated with higher ICF and MT in the unlesioned hemisphere as measured by TMS. …”
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    Neurophysiologic Correlates of Post-stroke Mood and Emotional Control
  18. 618
    “…Specifically, we examined electroencephalography (EEG) alpha band power (8–13 Hz) from estimated sources in right and left parietal regions, and related this activity to four metrics of driving performance. …”
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    Differential Functionality of Right and Left Parietal Activity in Controlling a Motor Vehicle
  19. 619
    “…Results revealed progressive disruptions in functional connectivity between the three patient groups, typically in the alpha band. Differences between G1 and G2 (p < 0.001, corrected using permutation test) were mainly frontotemporal alterations. …”
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    Functional connectivity disruptions correlate with cognitive phenotypes in Parkinson's disease
  20. 620
    “…Pupillary constriction, electroencephalogram (EEG) alpha band ratio, subjective sleepiness, concentration and perception of blueness were measured. …”
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    Effect of quantity and intensity of pulsed light on human non-visual physiological responses
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