Visual stimuli are any objects or images that can be seen and that provoke a response from our senses. This includes everything from colors and shapes to complex scenes and patterns. Our eyes detect these stimuli, which are then processed by the brain to help us understand and interact with our environment. In psychology, visual stimuli play a crucial role in studies of perception and behavior. Researchers often use images, videos, or lights to examine how people react to different visual inputs. Understanding visual stimuli helps in fields like advertising, art, and education, where effective communication relies on visual elements.