The black-and-white image challenge invites viewers to spot a well-hidden dog within 8 seconds, highlighting benefits for cognitive health and eyesight. The task improves memory and attention span, and encourages creativity, as solving such puzzles requires intense concentration and innovative thinking. Fostering these skills can greatly enhance overall mental acuity. The black-and-white image challenge invites viewers to spot a well-hidden dog within 8 seconds, highlighting benefits for cognitive health and eyesight. The task improves memory and attention span, and encourages creativity, as solving such puzzles requires intense concentration and innovative thinking. Fostering these skills can greatly enhance overall mental acuity. Health and Fitness, Health Tips, Exercises & Workout Tips, Diet & Wellness | Times of India Lifestyle