⑴ Skillful composers have long used silence to build a sense of anticipation. Some of music’s finest moments are spent in transition—waiting, in essence, for the other shoe to drop. The snapshots of this pause may have implications beyond concert halls. They shine a light into what neuroscientists call “segmentation processes”—the techniques used by the brain to take a stream of sensory information and parcel it up into more easily comprehended pieces.（20 分）