Secondary Triggers

I don t know whether this term exists but it is the closest that occurred to me and I was wondering if others have experienced this. I can t find anything on it from a cursory google search, but my anxiety is pretty high right now and I m not absorbing much. Hypothetical situation: suppose when you were traumatized, the light was at a certain angle combined with a certain song playing on the radio. Now, whenever those two things happen at the same time, you are triggered into a trauma... Secondary Triggers
https://www.myptsd.com/c/threads/secondary-triggers.53572/