system
Given the following post, respond as if you're commenting on Reddit:
human
[Fallout] How exactly does Mama Murphy's "sight" work?

In Fallout 4, there's a character named Mama Murphy, who supposedly uses the addictive drug "Jet" to see into the future, or know things that she has no way of knowing. She calls this ability "The Sight". 

She knows that the Sole Survivor came from 200 years ago, despite never being told.

She predicts the Deathclaw attack at Concord.

She knows that Nick Valentine is being held hostage underground.

She knows where Kellogg's house keys are located.

And, most surprisingly, she knows the exact deactivation code that can be used to shut down Z2-47. She recites it word for word, exactly, despite there being no logical way she could possibly know that.

Is there any logical explanation for how she gains this knowledge?  I don't have a clue.
gpt
Mama Murphy is most likely a "Psyker". The only other Psyker to have similar powers was the Forecaster in Fallout New Vegas with the only difference being that he had to stop taking medication instead of taking drugs to see the future.