The organ primarily responsible for processing sensory information is the brain. The brain interprets data from various sensory organs, such as the eyes, ears, skin, nose, and tongue. It integrates and analyzes this information, allowing us to perceive our surroundings, understand stimuli, and respond appropriately. Different regions of the brain are specialized for processing different types of sensory input; for example, the occipital lobe is involved in visual processing, while the temporal lobe plays a key role in processing auditory information. Overall, the brain's ability to process sensory information is crucial for behavior, decision-making, and interaction with the environment.