Perception/Fallout: New Vegas

Perception is one of the seven primary statistics in the SPECIAL system.

Background
In Fallout: New Vegas, the statistic modifies Explosives, Lockpick and Energy Weapons skills. Perception affects the distance at which the Courier is able to detect other creatures. It also factors into some conversations with some NPCs.

Dialogue
Dialogue checks involving Perception are usually adding further nuance to existing dialog and all increment the Speech Successes stat in the Pip-Boy.

Permanent

 * Perception Implant available at the New Vegas Medical Clinic (+1)
 * Intense Training perk (+1)
 * Completing the quest The Apocalypse or The End will allow raising any one primary statistic by 1.