Optical illusions have been fascinating us for ages, challenging our ability to perceive reality and testing our mental agility. While fun distractions, they are also used to sharpen the mind and improve observation skills. When your brain interprets puzzling images, the brain thinks more critically while focusing on tiny details most people might not pay attention to if the issue wasn’t as complex. Optical illusions have been fascinating us for ages, challenging our ability to perceive reality and testing our mental agility. While fun distractions, they are also used to sharpen the mind and improve observation skills. When your brain interprets puzzling images, the brain thinks more critically while focusing on tiny details most people might not pay attention to if the issue wasn’t as complex. Health and Fitness, Health Tips, Exercises & Workout Tips, Diet & Wellness | Times of India Lifestyle