The range through these states is mediated by the arousal system, a network of tracts converging from sensory systems to integrating centers in the brain stem.
这些状态的变化是以激发系统作为媒介完成的，而所谓激发系统，是指从各个感觉系统汇聚到位于脑干中整合中心的一个网络。
Arousal is at first general, with a flooding of impulses in the brain stem; then gradually the activation is channeled.
一开始觉醒是普遍的，在脑干中有大量的脉冲，然后激活作用逐渐被输送。
The brain is resistant to arousal during deep sleep, which explains why it's difficult to wake a sleepwalker.
深度睡眠时大脑对外界的激励有抵抗力，这解释了为什么很难叫醒梦游者。
Another fundamental difference between men and women - perhaps the most important defining difference - is that in the male brain, physical and psychological arousal are united.
另一个根本区别——可能是最重要的区别——是在男性的大脑中，物理和心理的唤醒区域是合在一起的。
The scientists then used brain imaging techniques to find that dopamine peaks along with emotional arousal.
这时，科学家们用大脑成像技术发现，多巴酚伴随着情感的激发大量出现。
The brain regions that were affected by light are also typically involved in attention and arousal regulation, Vandewalle said.
被光线影响的大脑区域主要与“注意力”和“觉醒机制”有关。
In the technique, known as deep brain stimulation and sometimes used on Parkinson's patients, electrodes are inserted into the thalamus, which controls arousal.
这项被称为“大脑深度刺激”的技术是治疗帕金森氏症的一种方法，它通过把电极植入支配控制复苏的丘脑而起作用。
Listening to music may influence cognitive function through different pathways in the brain. The of music and exercise may stimulate and increase cognitive arousal while helping to organize output.
听音乐可以通过大脑中的不同路径影响认知功能。如果把听音乐和锻炼身体结合起来可以在组织认知输出的同时增强对认知的刺激。
It seems that these specialised cells in the retina detect light and send brightness information to those regions of the brain that regulate sleep and levels of arousal.
看起来视网膜中这些特化的细胞能够检测到光线，然后把光信息传送到大脑中调节睡眠和觉醒水平的区域。
The brain regions that were affected by light are also typically involved in attention and arousal(7) regulation, Vandewalle said.
被光线影响（influence）的大脑（Brain）区域主要与“关注力”和“觉醒机制”相关。
Light stimulates that part of the brain that promotes arousal and vigilance, and eye shades are an absolute necessity for anyone who has any sort of ambient light coming in the room.
光线会刺激大脑，让我们持续清醒和警觉的状态。要是环境光线对你有影响，那眼罩绝对是个睡觉必备。
Light stimulates that part of the brain that promotes arousal and vigilance, and eye shades are an absolute necessity for anyone who has any sort of ambient light coming in the room.
光线会刺激大脑，让我们持续清醒和警觉的状态。要是环境光线对你有影响，那眼罩绝对是个睡觉必备。
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