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psychological reactance theory - behavioral psychology illustration
Posted inSocial Dynamics

Psychological Reactance: Why Your Brain Rebels Against Rules

Posted by Mário Machado May 2, 2026
Explore psychological reactance theory (Jack Brehm, 1966): why threats to personal freedom trigger defiance and how to communicate without resistance.
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Welcome to 99% Brain UP. We are a dedicated editorial team passionate about decoding human behavior, neurobiology, and the hidden mechanics of the mind. Our mission is to bridge the gap between complex behavioral science and everyday life, bringing you evidence-based insights every single day.

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