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I can't speak with you unless you have medical insurance.

Doctor brain is one of the brains that the Calculator uses in Vault 0.


This is one of eight brains that are wired to the Calculator. This particular one is from a doctor, who still has medical knowledge.

Interactions with the player character

Interactions overview

Perk empathy synthesizer.png
This character is involved in missions.

Calculator's Lair

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This character appears in the following locations.

Vault 0

Effects of player's actions

If the Warrior kills the brain, their reputation is lowered.

Other interactions

Since the Calculator needs to be dealt with, the Warrior needs to crush this brain to continue with the mission.


Calculator's Lair

Apparel Weapon Other items On death
None None None None

Notable quotes

  • "Without having a tongue, I can't tell the difference between an oral and rectal thermometer."
  • "Lean your pelvis on my container then turn and cough."
  • "I can't speak with you unless you have medical insurance."


Doctor brain appears only in Fallout Tactics.