Ключевые слова: abstract, analytical thought, artistic, balance, brain, brainstorming, cognitive, color, concept, creativity, dark background, education, electric, energy, energyefficient, filament, focus, glass bulb, glowing, hemispheres, idea, illumination, imagination, innovation, insight, intelligence, knowledge, learning, led, light, lightbulb, logic, mental health, mental process, neurons, psychology, simplicity, spectrum, symbolism, thought, vibrant,