害怕是面临威胁性情境时的情绪反应 ,当害怕显著超过了应有的程度时称为恐惧 ;在无现实威胁时 ,感到的害怕或担心则称为焦虑。过去曾经认为情绪很难用神经科学的方法探讨 ,而现在情绪已成为神经科学的一个热门研究课题。对恐惧和焦虑的神经通路及发生机制的研究已获得很大进展 Fear is the emotional response to facing a threatening situation, termed fear when it feels significantly more than it should have, and the fear or fear felt when no real threat is found. In the past, it was thought that emotions were very difficult to use neuroscience methods to explore, but now the emotion has become a popular research topic in neuroscience. Much progress has been made in the study of neural pathways and mechanisms of fear and anxiety