The Science of Number Confusion A 2025 Cambridge University study confirms this 17/71 illusion is 47% harder than similar puzzles because: ✔️ Mirror-image digits create “visual noise”✔️ Identical numerals (1 and 7) appear in both✔️ Brain processes them as rotational equivalents “This illusion exposes our mental shortcuts for digit recognition,” says Dr. Alan Weiss, cognitive psychologist. Performance … Read more