Recent reports suggest that enhancement of memory performance while chewing gum is a fairly robust phenomenon. The processes underlying the effect are not known, but may involve glucose delivery, context-dependent effects and arousal mechanisms amongst others.This brief commentary outlines the main ﬁndings from these studies and raises some issues regarding interpretation, methodology and future research directions.
Source: “Chewing gum and cognitive performance: a case of a functional food with function but no food?” from Appetite 43 (2004) 215–216
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