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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)
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