Executive Performance

Decision Fatigue Is a Prefrontal Pricing Error: How Your Brain Secretly Inflates the Cost of Thinking Decision fatigue brain science has moved past the willpower-tank model. Recent neuroscience shows the brain inflates the perceived cost of thinking through a pricing error — the right anterior insula amplifies effort signals while the dorsolateral prefrontal cortex fails to recalibrate. The result: you start avoiding decisions at exactly the wrong moment. ...

Why Sleep-Deprived Professionals Make Terrible Decisions (And Don’t Realize It) Lack of sleep and decision making collapse together because sleep loss decouples the ventromedial prefrontal cortex — the brain region that integrates emotion with rational analysis — from the amygdala, while the orexin compensatory wake-drive masks the impairment. Confidence rises as judgment quietly fails, and the mismatch never registers in conscious awareness. ...