Picking Your Brains

Picking Your Brains is a side quest in the Fallout: New Vegas add-on Old World Blues.

Quick walkthrough

 * 1) Talk to O|Dr. O.
 * 2) Talk to Dr. Dala.
 * 3) Talk to Dr. Borous.
 * 4) Talk to 8|Dr. 8.

Detailed walkthrough

 * Dr. 8, if the player has a high enough Perception or Intelligence they can understand him. If the player has a Science skill of 75 they can program him to mindlessly do what they want.
 * Dr. Borous, with a high enough Speech skill the player can talk to him about the fact that his experiments have escaped the Big Empty and into the Mojave. He doesn't believe that.
 * Dr. 0, if the player has a good enough Intelligence or the perk Math Wrath, the player can work out his real name is "Dr Zero".
 * Dr. Klein, by following various dialogue routes and having a good level of the Medicine or Science skill, the player can gather info about the other courier, Ulysses, and Father Elijah.
 * Dr. Dala, if the player has a high enough Medicine or Charisma, they can work out that she misses her body and secretly has some sort of fetish for teddy bears.