Optical illusions have been intriguing to scientists and psychologists since ancient times. While it may seem fun just to be perplexed, optical illusions tell us a lot about the way our brains work-both in information processing and the way they form patterns to try and solve puzzles. Optical illusions have been intriguing to scientists and psychologists since ancient times. While it may seem fun just to be perplexed, optical illusions tell us a lot about the way our brains work-both in information processing and the way they form patterns to try and solve puzzles. Health and Fitness, Health Tips, Exercises & Workout Tips, Diet & Wellness | Times of India Lifestyle