The pot smokers thought more of the new words were in the original list than did the nonusers.

沾染大麻者们认为更多新词汇都在最初的词语单上。

And brain scans revealed that the regular pot users showed less activity in brain regions associated with memory and cognitive resources than did the nonusers.

而脑部扫描显示，普通吸食者脑部同记忆及认知相关的区域活跃度较低。