Acute effects of theanine, caffeine and theanine-caffeine combination on attention.

Chanaka N KahathuduwaTharaka Lagath DassanayakeA M Tissa AmarakoonVajira S Weerasinghe

Published in: Nutritional neuroscience (2016)

A dose of theanine equivalent of eight cups of back tea improves cognitive and neurophysiological measures of selective attention, to a degree that is comparable with that of caffeine. Theanine and caffeine seem to have additive effects on attention in high doses.

Keyphrases

working memory
liver failure
respiratory failure
drug induced
intensive care unit