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Have Humans Passed Peak Brain Power?
Across high-income countries, humans' ability to reason and solve problems appears to have peaked in the early 2010s and declined since. Despite no changes in fundamental brain biology, test scores for both teenagers and adults show deteriorating performance in reading, mathematics and science. In a...
In an eye-opening statistic, 25% of adults in high-income countries now struggle to "use mathematical reasoning when reviewing statements" -- rising to 35% in the US.This cognitive decline coincides with a fundamental shift in our relationship with information. The timing points to our changing digital habits: a transition from finite web pages to infinite feeds, from active browsing to passive consumption, and from focused attention to constant context-switching. Research shows that intentional use of digital technologies can be beneficial, but the passive consumption dominating recent years impairs verbal processing, attention, working memory and self-regulation.
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