... Neuroscience: Sedation and Analgesia for Diagnostic and Therapeutic ProceduresEdited by: S. Malviya, N. N. Naughton, and K. K. Tremper © Humana Press Inc., Totowa, NJ1Opioids, Sedation, and SleepDifferent ... for understandinglearning and memory (38).A large body of research has established a reliable and complex relation-ship between natural sleep and memory. As reviewed elsewhere (3 9–4 1),memory ... slowing of EEG frequency into theBeta range (Beta1 Х 1 5–2 0 Hz; Beta2 Х 20. 5–3 0 Hz) caused by midazolam(46) and propofol (4 7–4 9), and for EEG slowing caused by dexmedeto-midine (50). Few...