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Cognitive and mood improvements of caffeine in habitual consumers and habitual non-consumers of caffeine
RationaleThe cognitive and mood effects of caffeine are well documented. However, the majority of studies in this area involve caffeine-deprived, habitual caffeine users. It is therefore unclearExpand
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Consumption of cocoa flavanols results in acute improvements in mood and cognitive performance during sustained mental effort
Cocoa flavanols (CF) positively influence physiological processes in ways that suggest their consumption may improve aspects of cognitive function. This study investigated the acute cognitive andExpand
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Cognitive demand and blood glucose
Previous research has identified that glucose administration can enhance cognitive performance, especially during more intense cognitive processing. There appears to be a reciprocal relationshipExpand
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Herbal extracts and phytochemicals: plant secondary metabolites and the enhancement of human brain function.
Humans consume a wide range of foods, drugs, and dietary supplements that are derived from plants and which modify the functioning of the central nervous sytem (CNS). The psychoactive properties ofExpand
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Glucose administration, heart rate and cognitive performance: effects of increasing mental effort
Abstract  Rationale: It is known that glucose administration is capable of improving performance on tests of declarative verbal memory and non-mnemonic tasks requiring high ”mental effort”. At theExpand
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Cognitive and physiological effects of an “energy drink”: an evaluation of the whole drink and of glucose, caffeine and herbal flavouring fractions
RationaleBoth glucose and caffeine can improve aspects of cognitive performance and, in the case of caffeine, mood. There are few studies investigating the effects of the two substances inExpand
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Effects of resveratrol on cerebral blood flow variables and cognitive performance in humans: a double-blind, placebo-controlled, crossover investigation.
BACKGROUND The many putative beneficial effects of the polyphenol resveratrol include an ability to bolster endogenous antioxidant defenses, modulate nitric oxide synthesis, and promote vasodilation,Expand
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The effects of l-theanine, caffeine and their combination on cognition and mood
L-Theanine is an amino acid found naturally in tea. Despite the common consumption of L-theanine, predominantly in combination with caffeine in the form of tea, only one study to date has examinedExpand
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Effects of high-dose B vitamin complex with vitamin C and minerals on subjective mood and performance in healthy males
RationaleA significant proportion of the general population report supplementing their diet with one or more vitamins or minerals, with common reasons for doing so being to combat stress and fatigueExpand
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Docosahexaenoic acid-rich fish oil modulates the cerebral hemodynamic response to cognitive tasks in healthy young adults
A number of recent studies have assessed the impact of dietary omega-3 polyunsaturated fatty acids (n-3 PUFAs) on behavioral outcomes; however, very little attention has been given to their impactExpand
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