adult men who took valproate (VPA) (a HDAC inhibitor) learned to identify pitch significantly better than those taking placeb
At 24 hr retest, with all subjects having received both a full night of sleep and a full day of wakefulness, we found that memory was superior when sleep occurred shortly after learning rather than following a full day of wakefulness.
Reviews of material separated by a long period of time (“spaced”) yield more learning than reviews separated by a shorter period of time (“massed”);