Semantic decision performance

Semantic diversity impairs semantic decision performance in humans.

“In contrast, higher semantic diversity impaired performance disproportionately in older people, suggesting that older adults experienced greater difficulty when concepts activated many different associations.”

Humansdisproportionately in older adultsn = 537

Variation in the determinants of semantic decision-making across adulthood

PsyArXiv·4 Sep 2026Preprint