Final answer:
The midbrain, which is a part of the brain stem, is composed of cerebral peduncles and the corpora quadrigemina. It coordinates sensory representations of the visual, auditory, and somatosensory perceptual spaces.3) Midbrain
Step-by-step explanation:
The structure composed of cerebral peduncles and the corpora quadrigemina is the midbrain. The midbrain is a part of the brain stem, which also includes the pons and medulla. It coordinates sensory representations of the visual, auditory, and somatosensory perceptual spaces.