Using brain scans to measure blood flow, British researchers discovered that a brain region known as the ventral striatum was more active when subjects chose unusual objects in controlled tests.

• 英国研究人员用脑部扫描仪测量受试者的血流后发现，当人们在受控测试中选择了不同寻常的物品时，脑部的腹侧纹状体变得更加活跃了。