Visual stimuli are any objects or images that can be seen and that provoke a response from the visual system. This includes everything from colors and shapes to complex scenes and movements. The human eye detects these stimuli, which are then processed by the brain to create an understanding of the environment. Examples of visual stimuli include pictures, videos, and light patterns. These stimuli can influence emotions, behaviors, and even decision-making. In psychology, researchers study how different types of visual stimuli affect perception and attention, helping to understand how we interact with the world around us.