They got their brains scanned while playing a scale or a memorized jazz piece exactly as written and again when they were free to improvise, riffing off the assigned music.

• 这篇是针对6位全职的专业爵士音乐家进行研究，在他们创作时与不需要即兴创作时弹一个音阶或是放熟悉的爵士乐曲片段，同时扫描他们的大脑，请他们即兴重复指定的音乐。