Power spectral density changes in the EEG during mental arithmetic and eye-opening.
D002540:Cerebral Cortex / Q000502:physiology*; D004569:Electroencephalography; D006801:Humans; D008606:Mental Processes; D009778:Occipital Lobe / Q000502:physiology; D010296:Parietal Lobe / Q000502:physiology; D011340:Problem Solving; D014785:Vision, Ocular