Evolutionary Explanations of Religion: HADD, Hyperactive Agency, and Cognitive Science

Dr. Julian Vance & Sapiotic Engineering Group

September 6, 2026

Executive Briefing: The Evolutionary Architecture of Belief

Cognitive scientists of religion (Pascal Boyer, Justin Barrett) demonstrate that religious belief is an evolutionary byproduct of cognitive survival tools: the Hyperactive Agency Detection Device (HADD) and Theory of Mind.

1. Better to Mistake Rustling Leaves for a Tiger

Natural selection favored hominids who attributed agency to inanimate events (hearing a branch snap and assuming a predator or spirit) over those who assumed it was merely the wind.

2. References

  1. Boyer, P. (2001). Religion Explained: The Evolutionary Origins of Religious Thought. Basic Books.

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