Studying for that big exam? A new study found that taking 200 mg caffeine-pills one hour after – not before – a learning session improved memory performance the following day. Over 100 healthy people particpated in this randomized, double-blind, placebo-controlled study, but the mechanisms that explain this effect are still unclear.

Original research article published in Nature Neuroscience on January 12, 2014

Name and affiliations of selected authors:

Michael A. Yassa, University of California, Irvine, CA, USA