Nutritional neuroscience
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Nutritional neuroscience · Jul 2012
Effects of chewing gum and time-on-task on alertness and attention.
Chewing gum has been shown to reliably increase subjective alertness whereas the effects on attention are more variable. It has been suggested that chewing gum only enhances attention when the person has been performing a task for some time. ⋯ The results confirm the robust effect of chewing gum on reported alertness and show that changes in the effects of chewing gum on attention require further investigation. Future research may also determine underlying mechanisms for an alerting effect.