That is, are there brain areas that switch on when ballet dancers watch ballet but not, say, capoeira (an Afro-Brazilian martial art stylized as a dance and performed to music)?

• 也就是说，他们想知道当芭蕾舞者或卡波艾拉（源于非洲的巴西战舞）舞者在观看这些舞步时，脑中是否有哪些区域，只在观看自己所会的舞蹈时才会启动，而在观看其他舞蹈时则无反应？