singular这里什么意思"We know that people who consistently meditate

singular这里什么意思
"We know that people who consistently meditate have a singular ability to cultivate positive emotions,retain emotional stability and engage in mindful behavior," said Eileen Luders,lead author and a postdoctoral research fellow at the UCLA Laboratory of Neuro Imaging."The observed differences in brain anatomy might give us a clue why meditators have these exceptional abilities."