Optical illusion tests are beneficial for brain function as they challenge our visual perception and enhance cognitive skills. These illusions require focus and attention to detail to identify subtle differences, such as variations in shape, orientation, or color, among similar objects. Solving them improves observation skills, problem-solving abilities, and creativity while providing mental stimulation and stress relief. Optical illusion tests are beneficial for brain function as they challenge our visual perception and enhance cognitive skills. These illusions require focus and attention to detail to identify subtle differences, such as variations in shape, orientation, or color, among similar objects. Solving them improves observation skills, problem-solving abilities, and creativity while providing mental stimulation and stress relief. Health and Fitness, Health Tips, Exercises & Workout Tips, Diet & Wellness | Times of India Lifestyle