Cognitive Biases

Your brain is like a very fast computer that tries to save battery life. To save energy, it takes shortcuts to finish its work quickly. Sometimes these shortcuts are helpful, like knowing a hot stove is dangerous without touching it. But sometimes these shortcuts make us jump to the wrong conclusion about a person or a situation. When we learn about these shortcuts, we can slow down and think more carefully. It is like checking your work twice to make sure you did not miss a silly mistake.

Your brain takes shortcuts — sometimes helpful sometimes not. Your brain processes eleven million bits of information per second. You are conscious of about forty. That means your brain is making decisions about the other 10,999,960 bits without asking you. These decisions are shortcuts. And most of them are brilliant. The shortcut that says avoid the snake saved your ancestors. But the shortcut that says avoid the stranger is the same circuit misfiring in a modern world. Every bias is a survival tool that outlived its emergency. You are not stupid for having biases. You are human. But you are not helpless either. The moment you learn the name of a bias is the moment it loses half its power. You cannot unsee a trick once someone shows you how it works.

Cognitive biases: evolutionary heuristics optimized for ancestral threat detection that manifest as logical fallacies in modern information environments. The moment you learn the name of a bias is the moment it loses half its power.

SOUND: A drum beat your mind starts to hear a melody in: the brain adding music that is not there.

SMELL: A crayon that instantly makes you think of school: the nose triggering a shortcut before the mind can intervene.

TASTE: Sour lemon that makes your mouth pucker before you even bite it: the body reacting to a prediction not a fact.

TOUCH: The rubber hand illusion where you feel a fake hand is yours: the brain believing the shortcut over the truth.

SIGHT: An optical illusion where still lines look like they are moving: the eyes proving the brain can be wrong while feeling right.

BODY: The feeling of falling right as you drift off to sleep: the brain misinterpreting relaxation as danger.

Music: Three Marlenas by The Wallflowers

Music: Young Blood by Noah Kahan

Music: Redemption Song by Bob Marley

Cognitive BiasHeuristicsIntellectual Humility

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Cognitive Biases

Your Brain Takes Shortcuts — Sometimes Helpful Sometimes Not

Your brain is like a very fast computer that tries to save battery life. To save energy, it takes shortcuts to finish its work quickly. Sometimes these shortcuts are helpful, like knowing a hot stove is dangerous without touching it. But sometimes these shortcuts make us jump to the wrong conclusion about a person or a situation. When we learn about these shortcuts, we can slow down and think more carefully. It is like checking your work twice to make sure you did not miss a silly mistake.