⚠️ New preprint ! « Social determinants of cognitive aging trajectories across 39 countries » Some people in their 80s have cognitive abilities similar to many 30-year-olds, others are severely diminished.  How comes?  www.medrxiv.org/content/10.1... A short 🧵👇 1/7 - ThreadSky

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antoinecoutrot.bsky.social • 79 days ago

⚠️ New preprint !
« Social determinants of cognitive aging trajectories across 39 countries »
Some people in their 80s have cognitive abilities similar to many 30-year-olds, others are severely diminished.  How comes? 
https://www.medrxiv.org/content/10.1101/2024.12.05.24318553v1
A short 🧵👇 1/7

Comments

antoinecoutrot.bsky.social•79 days ago

We quantified the age-related decline in spatial ability in 715,295 participants from 46 countries using the mobile video game Sea Hero Quest. 2/7

antoinecoutrot.bsky.social•79 days ago

While the age-related cognitive decline pattern is similar across countries, the rate of this decline presents stark differences (Hedge’s g from 0.59 in Japan to 1.76 in Mexico). 3/7

antoinecoutrot.bsky.social•79 days ago

We find that the social, economic, and environmental well-being of older adults, as measured by the Global AgeWatch Index (GAWI), is negatively associated with age-related decline in spatial ability. 4/7

antoinecoutrot.bsky.social•79 days ago

In particular, the GAWI Health and Environment subscores are strongly correlated with the effect of age on wayfinding performance. 5/7

antoinecoutrot.bsky.social•79 days ago

Gender differences in spatial navigation skills increase with age, and even more so in countries with greater gender inequality, as estimated by the Gender Inequality Index. 6/7

antoinecoutrot.bsky.social•79 days ago

By 2030, 1 in 6 people worldwide will be aged 60 or older. A better understanding of the drivers of inequalities in cognitive aging is key to informing strong public policies at the national and international levels. 7/7

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