State-dependent top-down and bottom-up processes in gamma-band (~40 Hz) oscillations of the cat EEG
Santiago Castro‐Zaballa, Joaqúın González, Matías Cavelli, Pablo Torterolo
This study examines gamma-band oscillations in cat EEG during wakefulness and sleep, finding top-down directionality in quiet wakefulness and bottom-up responses to simple stimuli.