neuropathic pain(2) Electrophysiology(2) Inflammation(2) herpes(1) Duloxetine(1) degeneration(1) neural dynamics(1) synaptic plasticity(1) ERPs(1) GABA(1) Pain(1) amitriptyline(1) cytokine(1) Neuroimaging(1) dorsal root ganglion(1) emotion(1) tVNS(1) parabrachial(1) antidepressants(1) Significance statement: Defense is crucial for animals' survival in nature. Here, using optogenetic stimulation and in vivo recording in behaving mice reacting to threats, we explo(1) chorda tympani nerve(1) NMDA receptor(1) translational neuroscience(1) gabapentinoid(1) LPP(1) central amygdala(1) glial cells(1) TLR2(1) behavioral modeling(1) pregabalin(1)