令人惊讶的是，虽然大脑仍然是警觉的，冥想状态减轻了对疼痛的反应，就好象降低了音量。
Astonishingly, although the brain is still alert, meditation lessens the emotional reaction to pain. It's like turning down the volume.
每天早晨8点以后的两个小时里，志愿者们要做为时30分钟的神经行为测试以检测其精神警觉性和清醒程度，其中包括10分钟的精神警惕性实验（检测注意力和反应时间）。
They included a 10-minute "Psychomotor Vigilance Test" that monitors attentiveness and reaction times.
目前尚没有人确切地知道为什么会是这样，但有一种理论认为，具备这些特质的人可能对感觉输入信号更为警觉，反应也更大，这与偏头痛患者类似。
Nobody knows exactly why this might be, but one theory is that people with these traits may also have a tendency to be more alert and reactive to sensory inputs, similar to people who get migraines.
虽然这在美国和亚洲某些人中引起警觉，但是到目前为止都还反应冷静。
While this is causing alarm among some in the United States, Asia, so far, appears to be reacting calmly.
现在的关键是确保我们保持警觉，当事情发生时恰当的反应。
The key now is to just make sure we are maintaining great vigilance, that everybody responds appropriately when cases do come up.
警觉性不要太高了，显露自己的真情，才能不让对方因为你的反应和地位而后退。
Bring down your guard and reveal your feelings if you want someone to respond for the right reason and not for your looks or position.
很多实验表明咖啡因对大脑的有着积极的作用，能改善心情，减少反应时间，提升记忆力，提高警觉以及认知功能。
Many controlled trials have examined the effects of caffeine on the brain, demonstrating that caffeine can improve mood, reaction time, memory, vigilance and general cognitive function.
疼痛是人体的防卫反应，对当时打击情况的警觉。
Pain is the human bodyguard, the cop on the beat racing to the scene, sirens wailing, shutting down traffic.
受试者接受简易智能量表（MMSE）评估智能及使用注意网络测试（ANT）软件进行警觉功能行为学测试，记录反应时间（RT）。
The mini-mental state examination (MMSE) and the computerize ANT software were performed in the patient and controls, to evaluate intelligence and record the reaction time (RT).
受试者接受简易智能量表（MMSE）评估智能及使用注意网络测试（ANT）软件进行警觉功能行为学测试，记录反应时间（RT）。
The mini-mental state examination (MMSE) and the computerize ANT software were performed in the patient and controls, to evaluate intelligence and record the reaction time (RT).
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