State-dependent memory effects using caffeine and placebo do not extend to metamemory

The Journal of General Psychology
William L. Kelemen, Catherine E. Creeley

Abstract

The authors examined the impact of caffeine on human memory and predictions of memory (i.e., metamemory). On Day 1, 83 college students drank a sweetened beverage containing either caffeine (4 mg/kg body weight) or a placebo before they studied 40 pairs of words. While the participants studied, they predicted their future memory performance for each word pair. On Day 2, the participants again received caffeine or a placebo before the memory test. The participants who drank the same beverage on both days (either caffeine or a placebo) recalled more word pairs than did those who drank different beverages (caffeine on 1 day and a placebo on the other day). In contrast, memory predictions were more accurate when the beverages did not match on both days. These data provide evidence for state-dependent memory when caffeine is used, but not for state-dependent metamemory. People's memory and their predictions of memory can be influenced in different ways if they drink caffeine before they study or take a test.

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Oct 31, 2002·Human Psychopharmacology·William L. Kelemen, Catherine E. Creeley

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Citations

Feb 5, 2010·Law and Human Behavior·Kirin F HilliarThomas F Denson
Feb 1, 2013·The International Journal of Neuropsychopharmacology·Leandro SandayRoberto Frussa-Filho
Jun 8, 2013·Memory·Kathleen L Hourihan, Aaron S Benjamin
Nov 15, 2018·Memory·Krystle E ZunigaWilliam L Kelemen
Feb 9, 2018·Neurochemical Research·Simonetta CamandolaMark P Mattson
Mar 17, 2011·The Journal of General Psychology·Sarita J Robinson, Lucy J L Rollings
Aug 25, 2020·Oxidative Medicine and Cellular Longevity·Alejandra Guillermina Miranda-DíazErnesto Germán Cardona-Muñoz
Sep 27, 2019·Europe's Journal of Psychology·Danielle YanesPaul D Loprinzi

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