system
Given the following post, respond as if you're commenting on Reddit:
human
[The Happening] What is actually running through a victim's mind?

When a person is affected by the event what actual changes are happening to their thought process? What are their thoughts at the moment that they come under it's influence? Are they afraid, happy, sad or no longer cognizant? What logic chain is their brain following to decide to kill themselves?
gpt
Have you ever heard of a real-world concept called "The call of the void"/"L'Appel du vide"? It's apparently common enough that it has its own name.

It's basically an intrusive thought a lot of people get when standing near a cliff edge, or on a bridge, wondering what would happen if they jumped. Or driving on the highway and briefly wondering what it would be like to suddenly turn the wheel and barrel into oncoming traffic. Most of the time people just brush these thoughts aside. I've heard somewhere it's possibly an evolutionary tactic that lets us consider going against social norms and survival instincts, and by not acting on them it allows our brains to be better at not getting us killed or ostracized. Or something like that. ¯\\\_(ツ)\_/¯ 

Presumably the chemicals the plants released do something to the brain that makes it more susceptible to these thoughts, and more likely to act on them. It's possible they're actually in nearly the same emotional state they were in before The Happening, although they might be having trouble differentiating these intrusive thoughts from their own higher-level thinking.