Your inbox slog overwhelms you. The colleague who fails to meet his part of the team’s deadline infuriates you. A coworker talks over you in a meeting and you seethe with anger. Your computer crashes, and you slam your fist. The morning commuter cuts you off in traffic, and you give him the finger. I could go on and on, but you get the idea. This is your lizard brain (also known as the reactive brain or survival brain) in action. We all get upset at work once in a while, but there comes a point when unbridled reactions can sabotage your career advancement.

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