题目解析:
研究人员发现,那些连续几个小时不睡觉的受试者在进行口头任务时,大脑的部分区域没有活动。原文线索: ...the temporal lobe of the brain, the region involved in language processing, was activated during verbal tasks in rested subjects but not in sleep-deprived subjects; ...after several hours without sleep, there was no activity within this region.