The article introduces a brain teaser that challenges readers to spot an alien disguised as one of three individuals at a table within five seconds. It explains how solving such optical illusions can enhance concentration, observation skills, and cognitive functions while providing a mental break from daily stressors. These puzzles are both entertaining and beneficial for the brain. The article introduces a brain teaser that challenges readers to spot an alien disguised as one of three individuals at a table within five seconds. It explains how solving such optical illusions can enhance concentration, observation skills, and cognitive functions while providing a mental break from daily stressors. These puzzles are both entertaining and beneficial for the brain. Health and Fitness, Health Tips, Exercises & Workout Tips, Diet & Wellness | Times of India Lifestyle