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How Does Caffeine Influence Memory? Drug, Experimental, and Demographic Factors

Zhang, Ruo Chong; Madan, Christopher R.

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Authors

Ruo Chong Zhang



Abstract

Caffeine is a widely used nootropic drug, but its effects on memory in healthy participants have not been sufficiently evaluated. Here we review evidence of the effects of caffeine on different types of memory, and the associated drug, experimental, and demographical factors. There is limited evidence that caffeine affects performance in memory tasks beyond improved reaction times. For drug factors, a dose-response relationship may exist but findings are inconsistent. Moreover, there is evidence that the source of caffeine can modulate its effects on memory. For experimental factors, past studies often lacked a baseline control for diet and sleep and none discussed the possible reversal of withdrawal effect due to pre-experimental fasting. For demographic factors, caffeine may interact with sex and age, and the direction of the effect may depend on the dose, individual tolerance, and metabolism at baseline. Future studies should incorporate these considerations, as well as providing continued evidence on the effect of caffeine in visuospatial, prospective, and implicit memory measures.

Citation

Zhang, R. C., & Madan, C. R. (2021). How Does Caffeine Influence Memory? Drug, Experimental, and Demographic Factors. Neuroscience and Biobehavioral Reviews, 131, 525-538. https://doi.org/10.1016/j.neubiorev.2021.09.033

Journal Article Type Article
Acceptance Date Sep 17, 2021
Online Publication Date Sep 23, 2021
Publication Date 2021-12
Deposit Date Sep 24, 2021
Publicly Available Date Sep 24, 2022
Journal Neuroscience and Biobehavioral Reviews
Print ISSN 0149-7634
Electronic ISSN 1873-7528
Publisher Elsevier
Peer Reviewed Peer Reviewed
Volume 131
Pages 525-538
DOI https://doi.org/10.1016/j.neubiorev.2021.09.033
Keywords Behavioral Neuroscience; Cognitive Neuroscience; Neuropsychology and Physiological Psychology
Public URL https://nottingham-repository.worktribe.com/output/6298393
Publisher URL https://www.sciencedirect.com/science/article/pii/S0149763421004152?via%3Dihub

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