Caffeine enhances memory performance in young adults during their non-optimal time of day

The finding, in one line

“Caffeine did not alter memory performance in the afternoon.”

Abstract

Many college students struggle to perform well on exams in the early morning. Although students drink caffeinated beverages to feel more awake, it is unclear whether these actually improve performance. After consuming coffee (caffeinated or decaffeinated), college-age adults completed implicit and explicit memory tasks in the early morning and late afternoon (Experiment 1). During the morning, participants ingesting caffeine demonstrated a striking improvement in explicit memory, but not implicit memory. Caffeine did not alter memory performance in the afternoon. In Experiment 2, participants

Abstract by Stephanie M Sherman; Timothy P Buckley; Elsa Baena; Lee Ryan, Frontiers in Psychology (2016) — licensed CC BY 4.0.

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