title: Spectral analysis of EEG activity in different sleep stages in normal adults.
mesh_terms: D000328:Adult; D000368:Aged; D003201:Computers; D004569:Electroencephalography; D005260:Female; D006801:Humans; D008433:Mathematics; D008875:Middle Aged; D012894:Sleep Stages; D012895:Sleep, REM; D013223:Statistics as Topic; D013788:Thalamus / Q000502:physiology