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World 6 · Time, Motion and Attention · 10 min · PRO

How fast are you?

Reaction time and a falling ruler

PRO · Illusion Lab

World 6: Time, Motion and Attention is part of PRO

The first world of Illusion Lab is free. PRO opens the other 24 lessons in 6 worlds — simulations, quizzes and all.

  • Apparent motion and the waterfall effect
  • Did you see the gorilla?
  • Change blindness and multitasking
  • The McGurk effect
  • The rubber hand
PRO includes
  • All 60 labs — every world, every lesson
  • Practice exams and certificates

$8.33/mo, billed yearly ($99.99) · or $39.99 monthly

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