title: Perceptual correlates of variability in the duration of the cortical excitability cycle.
mesh_terms: D000293:Adolescent; D000328:Adult; D000513:Alpha Rhythm; D002540:Cerebral Cortex / Q000502:physiology*; D003071:Cognition / Q000502:physiology; D004056:Differential Threshold; D004192:Discrimination, Psychological / Q000502:physiology*; D004569:Electroencephalography; D006801:Humans; D010775:Photic Stimulation; D013998:Time Perception / Q000502:physiology*; D014796:Visual Perception / Q000502:physiology*