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Table representation of search results timeline featuring number of search results per year.

Year Number of Results
1953 1
1963 1
1965 1
1970 1
1971 3
1972 3
1973 1
1974 3
1975 2
1976 5
1978 5
1979 5
1981 5
1982 2
1983 6
1984 5
1985 4
1986 6
1987 3
1988 2
1989 1
1990 3
1991 7
1992 5
1993 10
1994 10
1995 5
1996 6
1997 5
1998 10
1999 6
2000 10
2001 7
2002 11
2003 13
2004 10
2005 18
2006 21
2007 14
2008 19
2009 22
2010 26
2011 18
2012 26
2013 37
2014 31
2015 39
2016 40
2017 36
2018 37
2019 27
2020 28
2021 41
2022 19
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609 results
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Page 1
Caffeine: cognitive and physical performance enhancer or psychoactive drug?
Cappelletti S, Piacentino D, Sani G, Aromatario M. Cappelletti S, et al. Curr Neuropharmacol. 2015 Jan;13(1):71-88. doi: 10.2174/1570159X13666141210215655. Curr Neuropharmacol. 2015. PMID: 26074744 Free PMC article. Review.
Caffeine use is increasing worldwide. The underlying motivations are mainly concentration and memory enhancement and physical performance improvement. ...The present review summarizes the main findings concerning caffeine's mechanisms of action (focusi
Caffeine use is increasing worldwide. The underlying motivations are mainly concentration and memory enhancement and physical
Impact of caffeine and coffee on our health.
Gonzalez de Mejia E, Ramirez-Mares MV. Gonzalez de Mejia E, et al. Trends Endocrinol Metab. 2014 Oct;25(10):489-92. doi: 10.1016/j.tem.2014.07.003. Epub 2014 Aug 11. Trends Endocrinol Metab. 2014. PMID: 25124982 Review.
Coffee is the most frequently consumed caffeine-containing beverage. The caffeine in coffee is a bioactive compound with stimulatory effects on the central nervous system and a positive effect on long-term memory. Although coffee consumption has been historic …
Coffee is the most frequently consumed caffeine-containing beverage. The caffeine in coffee is a bioactive compound with stimu …
Caffeine and the central nervous system: mechanisms of action, biochemical, metabolic and psychostimulant effects.
Nehlig A, Daval JL, Debry G. Nehlig A, et al. Brain Res Brain Res Rev. 1992 May-Aug;17(2):139-70. doi: 10.1016/0165-0173(92)90012-b. Brain Res Brain Res Rev. 1992. PMID: 1356551 Review.
Caffeine is the most widely consumed central-nervous-system stimulant. ...Its psychostimulant action on man is, however, often subtle and not very easy to detect. The effects of caffeine on learning, memory, performance and coordination are rather related to
Caffeine is the most widely consumed central-nervous-system stimulant. ...Its psychostimulant action on man is, however, often subtle
A review of caffeine's effects on cognitive, physical and occupational performance.
McLellan TM, Caldwell JA, Lieberman HR. McLellan TM, et al. Neurosci Biobehav Rev. 2016 Dec;71:294-312. doi: 10.1016/j.neubiorev.2016.09.001. Epub 2016 Sep 6. Neurosci Biobehav Rev. 2016. PMID: 27612937 Free article. Review.
Caffeine is consumed by over 80% of U.S. adults. This review examines the effects caffeine has on cognitive and physical function, since most real-world activities require complex decision making, motor processing and movement. Caffeine exerts its effe
Caffeine is consumed by over 80% of U.S. adults. This review examines the effects caffeine has on cognitive and physica
How does caffeine influence memory? Drug, experimental, and demographic factors.
Zhang RC, Madan CR. Zhang RC, et al. Neurosci Biobehav Rev. 2021 Dec;131:525-538. doi: 10.1016/j.neubiorev.2021.09.033. Epub 2021 Sep 23. Neurosci Biobehav Rev. 2021. PMID: 34563564 Review.
Caffeine is a widely used nootropic drug, but its effects on memory in healthy participants have not been sufficiently evaluated. ...There is limited evidence that caffeine affects performance in memory tasks beyond improved reaction times. ...
Caffeine is a widely used nootropic drug, but its effects on memory in healthy participants have not been sufficiently evaluat
Caffeine and adenosine.
Ribeiro JA, Sebastião AM. Ribeiro JA, et al. J Alzheimers Dis. 2010;20 Suppl 1:S3-15. doi: 10.3233/JAD-2010-1379. J Alzheimers Dis. 2010. PMID: 20164566 Review.
In consequence, caffeine, when acting as an AR antagonist, is doing the opposite of activation of adenosine receptors due to removal of endogenous adenosinergic tonus. ...Caffeine, through antagonism of ARs, affects brain functions such as sleep, cognition, learning …
In consequence, caffeine, when acting as an AR antagonist, is doing the opposite of activation of adenosine receptors due to removal …
The Influence of Caffeine Expectancies on Sport, Exercise, and Cognitive Performance.
Shabir A, Hooton A, Tallis J, F Higgins M. Shabir A, et al. Nutrients. 2018 Oct 17;10(10):1528. doi: 10.3390/nu10101528. Nutrients. 2018. PMID: 30336606 Free PMC article. Review.
Caffeine (CAF) is widely consumed across sport and exercise for its reputed ergogenic properties, including central nervous stimulation and enhanced muscular force development. ...Thirteen out of 17 studies indicated expectancy effects of varying magnitudes across a range
Caffeine (CAF) is widely consumed across sport and exercise for its reputed ergogenic properties, including central nervous stimulati
Improvements in concentration, working memory and sustained attention following consumption of a natural citicoline-caffeine beverage.
Bruce SE, Werner KB, Preston BF, Baker LM. Bruce SE, et al. Int J Food Sci Nutr. 2014 Dec;65(8):1003-7. doi: 10.3109/09637486.2014.940286. Epub 2014 Jul 21. Int J Food Sci Nutr. 2014. PMID: 25046515 Free PMC article. Clinical Trial.
This study examined the neurocognitive and electrophysiological effects of a citicoline-caffeine-based beverage in 60 healthy adult participants enrolled in a randomized, double-blind, placebo-controlled trial. ...Evidence of improved P450 amplitude indicates a general imp …
This study examined the neurocognitive and electrophysiological effects of a citicoline-caffeine-based beverage in 60 healthy adult p …
The combined effects of L-theanine and caffeine on cognitive performance and mood.
Owen GN, Parnell H, De Bruin EA, Rycroft JA. Owen GN, et al. Nutr Neurosci. 2008 Aug;11(4):193-8. doi: 10.1179/147683008X301513. Nutr Neurosci. 2008. PMID: 18681988 Clinical Trial.
The aim of this study was to compare 50 mg caffeine, with and without 100 mg L-theanine, on cognition and mood in healthy volunteers. ...The L-theanine and caffeine combination improved both speed and accuracy of performance of the attention-switching task at 60 min …
The aim of this study was to compare 50 mg caffeine, with and without 100 mg L-theanine, on cognition and mood in healthy volunteers. …
Green tea effects on cognition, mood and human brain function: A systematic review.
Mancini E, Beglinger C, Drewe J, Zanchi D, Lang UE, Borgwardt S. Mancini E, et al. Phytomedicine. 2017 Oct 15;34:26-37. doi: 10.1016/j.phymed.2017.07.008. Epub 2017 Jul 27. Phytomedicine. 2017. PMID: 28899506 Free article. Review.
CONCLUSIONS: The reviewed studies presented evidence that green tea influences psychopathological symptoms (e.g. reduction of anxiety), cognition (e.g. benefits in memory and attention) and brain function (e.g. activation of working memory seen in functional MRI). . …
CONCLUSIONS: The reviewed studies presented evidence that green tea influences psychopathological symptoms (e.g. reduction of anxiety), cogn …
609 results