Assertion: chewing gum | /r/CapableOf | enhance arousal
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Source sentences:
text: Although there is evidence that more vigorous chewing or greater resistance to chewing does not moderate chewing effects on memory , the fact that chewing gum can enhance arousal which is depleted by attention tasks (e.g., by heightening heart rate and beta power during vigilance)  suggests that it is more plausible that more vigorous chewing could have a greater effect on attention.