Timor stimulis externis internisve induci potest. Stimuli visuales, per stimuli externi exemplum, timorem inducere possunt: stimulus anxifer in [[cerebrum|cerebro]] et corticem occipitalem et [[corpus amygdaloideum|corporemcorpus amygadaloideum]] responsum neurophysiologicum inducit<ref>{{cite journal |authors= Vuilleumier P, Richardson MP, Armony JL, Driver J, Dolan RJ |title= Distant influences of amygdala lesion on visual cortical activation during emotional face processing |journal= Nat Neurosci |year= 2004 |volume= 7 |month= Nov |pages= 1271-7 |doi=10.1038/nn1341 }}</ref>. Incendi timorem [[corpus amygdaloideum]] magnum momentum habet<ref>{{cite journal |authors=Aggleton JP |title=The contribution of the amygdala to normal and abnormal emotional states |journal= Trends Neurosci |year=1993 |volume= 16 |pages= 328-33 }}</ref>. Inter cortices visuales et corpora amygdaloideia ipsilaterale nexus sunt: homines igitur cum corporis amygdaloidei functione laesa timoris reactiones reductas ostendunt.
