High levels of a chemical, which seems to increase creativity in really intelligent people, has the opposite effect in those of average intellect (Image: Dex Images / Getty)

THERE may be more to creativity than simply letting the ideas flow- brain measurements of a “creativity chemical” are revealing a complex interplay between ingenuity and intelligence. While high levels of the chemical in a certain part of the brain seem to increase creativity in really smart people, the reverse is true in those of average intellect.

N-acetyl-aspartate is found in neurons and seems to be associated with neural health and metabolism. …