Terms: Narcolepsy (7,210,000), narcoleptic (1,330,000),
Boolean: narcolepsy +fmri (24,800), narcoleptic +fmri (871), "rem sleep" +frontal (155,000), "rem sleep" +limbic (81,500), limbic +emotions (894,000),
Boolean: narcolepsy +receptors (417,000), narcolepsy +serotonin (542,000), narcolepsy +melatonin (710,000), narcolepsy +gaba (429,000),
Terms: wrath (132,000,000), anger (254,000,000), fright (27,700,000), passion (632,000,000), love (5,340,000,000), lust (164,000,000), hate (835,000,000), sadness (76,400,000),