没有了足够的信息，参与者脑部活跃的区域变成了杏仁体，此区域和恐惧反射联系。
With less information to go on, the players exhibited substantially more activity in the amygdala, a brain area reliably associated with fear conditioning.
当人的小脑扁桃体受伤后，就会抑制恐惧情绪的反应，因此不能靠学习行为建立新的恐惧反射。
People with an injured amygdala have dampened emotional responses and so do not learn to fear new things through association.
他们假定恐惧和饥饿类似，也是一种单纯的条件反射。
The implicit assumption was that fear, like hunger, was a simple provoked response.
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