The MRI showed that the 5)hippocampus, the part of the brain associated with learning new things, was activated when the odour was 6)wafted over the volunteers during slow-wave sleep.

• 核磁共振成像仪显示，志愿者在慢波睡眠阶段时，随着花香潜入人体，他们大脑中与接受新事物相关的海马状突起会变得活跃起来。