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Items: 1 to 20 of 175

1.

L-theanine and caffeine improve task switching but not intersensory attention or subjective alertness.

Einöther SJ, Martens VE, Rycroft JA, De Bruin EA.

Appetite. 2010 Apr;54(2):406-9. doi: 10.1016/j.appet.2010.01.003. Epub 2010 Jan 15.

PMID:
20079786
2.

The effects of L-theanine, caffeine and their combination on cognition and mood.

Haskell CF, Kennedy DO, Milne AL, Wesnes KA, Scholey AB.

Biol Psychol. 2008 Feb;77(2):113-22. Epub 2007 Sep 26.

PMID:
18006208
3.

Time for tea: mood, blood pressure and cognitive performance effects of caffeine and theanine administered alone and together.

Rogers PJ, Smith JE, Heatherley SV, Pleydell-Pearce CW.

Psychopharmacology (Berl). 2008 Jan;195(4):569-77. Epub 2007 Sep 23.

PMID:
17891480
4.
5.

Psychological effects of dietary components of tea: caffeine and L-theanine.

Bryan J.

Nutr Rev. 2008 Feb;66(2):82-90. doi: 10.1111/j.1753-4887.2007.00011.x. Review.

PMID:
18254874
6.

A double-blind, placebo-controlled study evaluating the effects of caffeine and L-theanine both alone and in combination on cerebral blood flow, cognition and mood.

Dodd FL, Kennedy DO, Riby LM, Haskell-Ramsay CF.

Psychopharmacology (Berl). 2015 Jul;232(14):2563-76. doi: 10.1007/s00213-015-3895-0. Epub 2015 Mar 13.

7.

Black tea improves attention and self-reported alertness.

De Bruin EA, Rowson MJ, Van Buren L, Rycroft JA, Owen GN.

Appetite. 2011 Apr;56(2):235-40. doi: 10.1016/j.appet.2010.12.011. Epub 2010 Dec 21.

PMID:
21172396
8.

The combination of L-theanine and caffeine improves cognitive performance and increases subjective alertness.

Giesbrecht T, Rycroft JA, Rowson MJ, De Bruin EA.

Nutr Neurosci. 2010 Dec;13(6):283-90. doi: 10.1179/147683010X12611460764840.

PMID:
21040626
9.

A naturalistic investigation of the effects of day-long consumption of tea, coffee and water on alertness, sleep onset and sleep quality.

Hindmarch I, Rigney U, Stanley N, Quinlan P, Rycroft J, Lane J.

Psychopharmacology (Berl). 2000 Apr;149(3):203-16.

PMID:
10823400
10.
11.

Acute effects of tea constituents L-theanine, caffeine, and epigallocatechin gallate on cognitive function and mood: a systematic review and meta-analysis.

Camfield DA, Stough C, Farrimond J, Scholey AB.

Nutr Rev. 2014 Aug;72(8):507-22. doi: 10.1111/nure.12120. Epub 2014 Jun 19. Review.

PMID:
24946991
12.

The combined effects of L-theanine and caffeine on cognitive performance and mood.

Owen GN, Parnell H, De Bruin EA, Rycroft JA.

Nutr Neurosci. 2008 Aug;11(4):193-8. doi: 10.1179/147683008X301513.

PMID:
18681988
13.

Assessing the effects of caffeine and theanine on the maintenance of vigilance during a sustained attention task.

Foxe JJ, Morie KP, Laud PJ, Rowson MJ, de Bruin EA, Kelly SP.

Neuropharmacology. 2012 Jun;62(7):2320-7. doi: 10.1016/j.neuropharm.2012.01.020. Epub 2012 Feb 2.

PMID:
22326943
14.

Cognitive and mood improvements of caffeine in habitual consumers and habitual non-consumers of caffeine.

Haskell CF, Kennedy DO, Wesnes KA, Scholey AB.

Psychopharmacology (Berl). 2005 Jun;179(4):813-25. Epub 2005 Jan 28.

PMID:
15678363
15.

The effects of black tea and other beverages on aspects of cognition and psychomotor performance.

Hindmarch I, Quinlan PT, Moore KL, Parkin C.

Psychopharmacology (Berl). 1998 Oct;139(3):230-8.

PMID:
9784078
16.

The effects of L-theanine on alpha-band oscillatory brain activity during a visuo-spatial attention task.

Gomez-Ramirez M, Kelly SP, Montesi JL, Foxe JJ.

Brain Topogr. 2009 Jun;22(1):44-51. doi: 10.1007/s10548-008-0068-z. Epub 2008 Oct 9.

PMID:
18841456
17.

Acute effects of tea consumption on attention and mood.

Einöther SJ, Martens VE.

Am J Clin Nutr. 2013 Dec;98(6 Suppl):1700S-1708S. doi: 10.3945/ajcn.113.058248. Epub 2013 Oct 30. Review.

18.

L-theanine, a natural constituent in tea, and its effect on mental state.

Nobre AC, Rao A, Owen GN.

Asia Pac J Clin Nutr. 2008;17 Suppl 1:167-8.

19.

Effects of caffeine, sleep loss, and stress on cognitive performance and mood during U.S. Navy SEAL training. Sea-Air-Land.

Lieberman HR, Tharion WJ, Shukitt-Hale B, Speckman KL, Tulley R.

Psychopharmacology (Berl). 2002 Nov;164(3):250-61. Epub 2002 Sep 5.

PMID:
12424548
20.

Effects of L-theanine or caffeine intake on changes in blood pressure under physical and psychological stresses.

Yoto A, Motoki M, Murao S, Yokogoshi H.

J Physiol Anthropol. 2012 Oct 29;31:28. doi: 10.1186/1880-6805-31-28.

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