Arousal from sleep: responsiveness to different auditory frequencies equated for loudness.
D000161:Acoustic Stimulation; D001143:Arousal; D003344:Cortical Synchronization; D004569:Electroencephalography; D006801:Humans; D008297:Male; D011336:Probability; D011601:Psychophysics; D012890:Sleep; D012895:Sleep, REM; D013016:Sound; D014851:Wakefulness