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- The Role of Alpha Oscillations among the Main . . .
Evidence for globally reduced alpha synchrony over frontal areas has been outlined by means of different indices, such as phase-locking value (PLV) and phase-lag index (PLI), in patients compared to healthy controls, with a concurrent increase in the information flow from occipital to anterior sites (and a decrease in the opposite direction)
- Alpha and gamma EEG coherence during on-task and mind . . .
Specifically, in On-Task, for the CTRL group, coherence is significantly reduced in the frontal region between the fronto-temporal regions, while, compared to the schizophrenia group, the controls show an increase in coherence in the occipital region and between the occipito-central regions
- Frontiers | No Differential Effects of Two Different Alpha . . .
These results provide preliminary evidence that alpha coherence in the fronto-parietal network might play an essential role in top–down control of spatial attention Here, we aimed to replicate and extend these preliminary findings by improving the design of the study in two important ways
- EEG coherence in theta, alpha, and beta bands in frontal . . .
Concerning the dominance within left–right hemispheres or frontal-posterior lobes, the mild cognitive impairment group exhibited decreased connectivity within the frontal compared with
- Frontal and parietal EEG alpha asymmetry: a large-scale . . .
Overall, altered frontal hemispheric asymmetry may be linked to vulnerability for psychopathology and not to any disorders themselves (Ocklenburg et al 2019) Additionally, alpha asymmetries have been associated with another important aspect of human brain asymmetry: handedness
- Resting-State Alpha Activity in the Frontal and Occipital . . .
Through correlation analysis, it was shown that the bilateral frontal and occipital alpha power of MDD patients in the closed-eyes state was positively correlated with information processing rate, verbal learning, working memory, and attention retention
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