realistic photo of a human brain with visible neural networks, a glowing light bulb hovering above it, a close-up of a human eye with brown iris and dark eyelashes, a thoughtful man in the background with a contemplative expression, soft warm lighting with subtle shadows, high-quality image with intricate details, the man's facial features include a strong jawline, nose, and raised eyebrows, his skin tone is fair with a subtle stubble, the overall atmosphere is one of deep thinking and introspection.