The age-related decline in perceptual metacognitive efficiency reflects both rising d′ and falling meta-d′¶

Claim · All claims
Evidence · 1 study · associational r2 · q3
Currency · newest study 2014 · not yet checked against its sources · not reviewed by a person · overdue for a recheck since 2019: baselines and conditions change

Subclaims¶

q3 i? In the perceptual task, d′ increased significantly with age (r = 0.47, p < 0.001) while meta-d′ decreased non-significantly (r = −0.17, p = 0.22), jointly producing the efficiency decline. → Palmer E.C. 2014

Evidence¶

Palmer E.C. 2014¶

Palmer E.C., David A.S., Fleming S.M. (2014). Effects of age on metacognitive efficiency. Consciousness and Cognition. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4154452/

q3 · i? · associational · r2

Component decomposition of meta-d′/d′ in the perceptual task (n = 53). The article reports "a significant increase in d′ with age (r = 0.47, p < 0.001; n = 53) and a non-significant decrease in meta-d′ (r = −0.17, p = 0.22; n = 53)". In younger adults meta-d′ ≈ d′; in older adults meta-d′ drops below d′.

"in the perceptual task we found a significant increase in d′ with age (r = 0.47, p < 0.001; n = 53) and a non-significant decrease in meta-d′ (r = −0.17, p = 0.22; n = 53)."

Discussion¶

Related Claims¶

• Perceptual metacognitive efficiency declines with age in healthy adults aged 18–84, even when task performance is controlled — a broader claim this one bears on
• Combined with adolescent data, the lifespan profile of perceptual metacognitive efficiency is an inverted-U — related
• Executive function does not explain the age-related decline in perceptual metacognitive efficiency — related
• Perceptual and memory metacognitive efficiencies are positively correlated across individuals, though weakened after outlier removal — related
• Memory metacognitive efficiency shows a non-significant negative relationship with age — related