英语翻译
问题描述：
英语翻译
Scientists studing the activity of the living brain with widely used new imaging techniques have been missing some of the earlisest steps in brain activity because those changes are subtle and are masked by reactions that happen seconds late.
答
采用已被广泛运用的影像技术来研究大脑活动的科学家们一直发现不了大脑活动的最初阶段的情况,因为最初的这些变化活动非常细微,而且常被几秒钟之后发生的反应所掩盖.