Absence of dreaming or failure to recall?
D001921:Brain / Q000502:physiology*; D002540:Cerebral Cortex / Q000502:physiology; D004325:Dreams; D004569:Electroencephalography; D004594:Electrophysiology; D006624:Hippocampus / Q000502:physiology; D006801:Humans; D008032:Limbic System / Q000502:physiology; D008568:Memory; D009043:Motor Activity; D013788:Thalamus / Q000502:physiology; D014851:Wakefulness / Q000502:physiology