The optimal protocol, it turned out, was not the usual, even-spaced one, but an irregular series of two serotonin pulses emitted 10 minutes apart, then one five

The optimal protocol, it turned out, was not the usual, even-spaced one, but an irregular series of two serotonin pulses emitted 10 minutes apart, then one five minutes later, with a final spritz 30 minutes afterward. Seems similar to http://en.wikipedia.org/wiki/Spaced_repetition http://en.wikipedia.org/wiki/Spaced_repetition systems.