Morozov Alexei, Ito Wataru
Virginia Tech Carilion Research Institute, Roanoke, Virginia.
School of Biomedical Engineering and Sciences, Virginia Tech, Blacksburg, Virginia.
Genes Brain Behav. 2019 Jan;18(1):e12491. doi: 10.1111/gbb.12491. Epub 2018 Jul 3.
Social behaviors largely constitute mutual exchanges of social cues and the responses to them. The adaptive response also requires proper interpretation of the current context. In fear behaviors, social signals have bidirectional effects-some cues elicit or enhance fear whereas other suppress or buffer it. Studies on the social facilitation and social buffering of fear provide evidence of competition between social cues of opposing meanings. Co-expression of opposing cues by the same animal may explain the contradicting outcomes from the interaction between naive and frightened conspecifics, which reflect the fine balance between fear facilitation and buffering. The neuronal mechanisms that determine that balance provide an exciting target for future studies to probe the brain circuits underlying social modulation of emotional behaviors.
社会行为很大程度上构成了社会线索的相互交换以及对这些线索的反应。适应性反应还需要对当前情境进行恰当的解读。在恐惧行为中，社会信号具有双向作用——一些线索引发或增强恐惧，而另一些则抑制或缓冲恐惧。关于恐惧的社会促进和社会缓冲的研究提供了具有相反意义的社会线索之间竞争的证据。同一动物同时表达相反的线索可能解释了天真的和受惊的同种个体之间相互作用产生的矛盾结果，这反映了恐惧促进和缓冲之间的微妙平衡。决定这种平衡的神经机制为未来研究探索情绪行为的社会调节背后的脑回路提供了一个令人兴奋的目标。
