A 2016 study also concluded that " the stimulating effects of vetiver essential oil might be beneficial for learning and memory processes" and can be used as a stimulant to improve task performance.

2016年的一项研究得出结论，“岩兰草油的效果可能对学习和记忆过程有益”，并可作为一剂来提任务表。

Inhaling vetiver scent improves alertness and brain function.

吸入岩兰草香味可以提警觉性和大脑功能。

If you use essential oils, you might want to pull out your lavender or vetiver as you do your centering breathing exercise.

如果你使用油，可以在进行集中呼吸练习时，取出你的薰衣草或香根草油。

However, participants largely agreed on bergamot and vetiver, so lower or higher concentrations may have been needed for these scents.

然而，参与者在很大程度上同意佛手柑和香根草，因此这些气味可能需要更低或更的浓度。