Posted inNeurobiology The Amygdala Hijack: Why Your Brain Loses Control in Seconds Posted by Mário Machado October 21, 2026Learn how amygdala hijack psychology explains sudden emotional overreactions, how stress bypasses rational thought, and proven ways to regain calm.
Posted inCognitive Biases The Sunk Cost Fallacy: Why We Cannot Let Go of Bad Investments Posted by Mário Machado May 14, 2026Understand the sunk cost fallacy psychology (Arkes & Blumer, 1985): why past investments of time, money, or emotion trap us in losing decisions.
Posted inSocial Dynamics The Emotional Contagion Effect: How Moods Spread Through Groups Posted by Mário Machado May 2, 2026Explore emotional contagion psychology (Elaine Hatfield, 1993): how human brains unconsciously catch and synchronize with the emotions of people nearby.