Your Brain

Your Brain is a quest item $$

Background
The Courier's brain, removed by the Sink Auto-Doc, together with their spine and heart on arrival in the Big MT.

Gameplay
While the brain is removed, the Courier is granted the Brainless perk. After the quest Old World Blues, the Courier can use the same Auto-Doc to return their brain to their body, granting them the Big Brained perk instead. At this point, the brain can be removed or added at will.

Location
Found in a body part tank at the Sink, after retrieving the brain from the Brain Tank during the quest Old World Blues.