10 papers analyzed
Some studies suggest that caffeine and theanine improve attention and cognitive performance, while other studies indicate that their combined effects do not always provide additional benefits over either compound alone.
14 papers analyzed
Caffeine and L-theanine, both naturally occurring in tea, are known for their potential cognitive benefits. This synthesis examines whether these compounds, individually or in combination, can improve attention.
Improvement in Sustained Attention and Cognitive Performance:
Reduction in Mind Wandering:
Inhibitory Control and Impulsivity:
Task-Specific Attention:
Neurophysiological Effects:
Vigilance and Error Rates:
Caffeine and L-theanine, both individually and in combination, can improve attention by enhancing sustained attention, reducing mind wandering, and improving cognitive performance. The combination of these compounds appears to be particularly effective, offering potential therapeutic benefits for attention-related issues.
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