The processes of arousal and concentration give attention its direction.
觉醒和集中的过程为注意力提供了方向。
An early strain of research claimed that when we watch television, our brains mostly exhibit slow alpha waves—indicating a low level of arousal, similar to when we are daydreaming.
一项早期的研究表明，当我们看电视时，我们的大脑大多表现出缓慢的阿尔法波，这表明我们的兴奋程度程度较低，类似于做白日梦的状态。
Gathering your resources to "try hard" requires burning energy in order to overcome your currently low arousal level.
调动资源来“努力尝试”，需要消耗精力，以克服目前的低唤醒水平。
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。
Their physiological arousal also declined quickly to the same levels as those of the control subjects.
他们的生理反应也迅速下降到与对照组相同的水平。
Dopamine is released during arousal.
多巴胺是在兴奋时释放的。
They rated each ritual's frequency and the level of arousal involved.
他们对每种仪式的举办频率以及其“振奋”程度进行评估。
When you first started drinking coffee, the arousal was all you wanted and also all that you got.
当你刚开始喝咖啡，你只是想提一下神，它也确实能起到提神的作用。
It cannot determine if the emotional arousal is negative or positive, only that it is happening.
它不能决定情绪是消极或是积极的，只能感测情绪的发生。
It's more complicated for women because of the separation between physical and psychological arousal.
因为在生理唤醒和心理唤醒上存在差异，所以对女性来说情况更为复杂。
Ultimately, you needed more and more coffee each day to achieve the same level of arousal and vigilance.
最终，你每天需要越来越多的咖啡来达到平时的工作专注水平。
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。
An initial experiment showed that, relative to staring straight ahead, eye-movements increased arousal levels.
最初的实验表明，与向前直视相比，眼部运动提升了觉醒水平。
Other triggers can include cold air, extreme emotional arousal such as anger or fear, and physical exercise.
其他诱因可能包括冷空气、愤怒或恐惧等极端情绪激发以及体育锻炼。
Cops with limited working memory, and high emotional arousal, made more errors than cops with large working memory.
工作记忆有限以及情绪水平高的警察比那些工作记忆好的警察犯的错误要多。
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。
Prior studies reveal yawning leads to a heightened state of arousal, so a morning yawn may function somewhat like a cup of coffee in providing a jolt of energy.
先前的实验揭示呵欠可以产生一种加强的激励状态，所以早晨的一个呵欠也许就像一杯醒脑的咖啡那样提供少许的能量。
“Studies show that the arousal that’s created through [an adrenaline-producing] activity can get transferred to your partner and your relationship, ” Orbuch said.
Orbuch说：“研究表明，由一些活动激发起的兴奋和激情能够传递给你的伴侣，感染你们之间的关系。”
Polygraphy tests do not detect lies, says Frank Horvath, past President of the American Polygraph Association. They detect physiological arousal to psychological stimuli.
“多波扫描器并不能测探到谎言，”美国多波图谱协会前会长弗兰克·霍法思说，“它只能探测到对于心理刺激所产生的生理应激。”
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。
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。
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