The brain stem connecting the inferior and superior colliculi is a preparation called a cerveau isolé.
The superior colliculus (SC) is a multimodal midbrain region that combines spatial information from the eyes, ears, and somatosensory system to cause the head and eyes to move in the direction of important things in space. In other words, it is a midbrain structure that processes multi-sensory information and mediates behaviors such as orientation and avoidance. While, The inferior colliculus, a region of the midbrain, is the body's primary auditory (sound) center. Its primary roles are to locate sounds, determine their frequencies, and integrate auditory and non-auditory systems.
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