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Cortical oscillations in the beta band (13-35 Hz) are known to be modulated by the GABAergic agonist benzodiazepine. To investigate the mechanisms generating the approximately 20-Hz oscillations in the human cortex, we administered benzodiazepines to healthy adults and monitored cortical oscillatory activity by means of magnetoencephalography.(More)
In vitro work on the rat brain and theoretical investigations have established that networks of GABAergic coupled interneurons play a fundamental role in creating the rhythmicity and synchrony necessary for neuronal oscillations in the gamma (30−80 Hz) and beta (15−30 Hz) bands. To test if related mechanisms are involved in producing the human ~20 Hz(More)
This study's specific aim was to determine if non-experts' most accurate motor performance is associated with verbal-analytic- and working memory-related cerebral cortical activity during motor preparation. To assess this, EEG was recorded from non-expert golfers executing putts; EEG spectral power and coherence were calculated for the epoch preceding putt(More)
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