Frequency and the brain.
D000200:Action Potentials; D000818:Animals; D001921:Brain / Q000502:physiology*; D002540:Cerebral Cortex / Q000502:physiology; D004569:Electroencephalography; D006696:Holography; D006801:Humans; D007257:Information Theory; D008959:Models, Neurological; D009474:Neurons / Q000502:physiology; D013569:Synapses / Q000502:physiology; D013997:Time Factors