A new study found that higher concentrations of NAA (N-acetyl aspartate) in two areas of the brain were associated with better performance on verbal and spatial tests. NAA is a byproduct of glucose metabolism and an indicator of brain health. (credit: Julie McMahon and Erick Paul)
A new study helps explain how brain structure and chemistry relate to “fluid intelligence” — the ability to adapt to new situations and solve problems one has never encountered before.
The study, reported in an open-access paper in the journal NeuroImage, observed two facets of fluid intelligence*:
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