Do you really know? At what age are we the smartest?
Feb 4, 2026
They question when humans are smartest and challenge the idea that intelligence only declines with age. Research on raw cognitive speed, memory, and broader psychological traits gets explored. Findings suggest different abilities peak at very different ages, with combined strengths often highest in midlife. The episode also looks at how age bias affects hiring and careers.
AI Snips
Chapters
Transcript
Episode notes
Different Intelligences Peak At Different Ages
- Raw cognitive skills like speed and memory tend to peak in the twenties for tasks such as math and chess.
- Broader psychological traits measured together show overall cognitive ability peaking between 55 and 60.
Math And Chess Often Peak Early
- The episode cites examples where mathematicians and chess players often peak young.
- These examples illustrate how certain fields reward quick raw cognition over later-life traits.
Study Measured 16 Psychological Dimensions
- The study assessed 16 psychological dimensions beyond raw cognition, including leadership and organisational skills.
- Several traits, such as conscientiousness and emotional stability, peak much later in life.