The Psychology of Code Review

Code review is ostensibly a technical practice. We review code to catch bugs, ensure quality, share knowledge. But after years of reviewing (and being reviewed), I’ve come to believe something different: Code review is primarily a psychological exercise. The code is just the medium. The real work is navigating human emotions, social dynamics, and cognitive biases. Why Criticism Hurts (Even When It Shouldn’t) When someone critiques your code, your brain doesn’t distinguish it from personal criticism. Neurologically, social rejection activates the same brain regions as physical pain. ...

December 28, 2025 Β· 4 min Β· 648 words Β· Shuvro