3 articles
Your reaction time peaks in your early 20s and declines from there — but the decline isn't inevitable. Here's what the research says about age, brain speed, and training.
Science · 12 min readCognitive decline doesn't start when you think it does — and it's not inevitable. Here's what the research actually says about brain aging after 40.
Science · 16 min readResearch dossier: baseline RT, age studies, profession benchmarks, Human Benchmark statistics.