The Brain’s Bad-Habit Breaker Has Finally Been Found — and Scientists Are Stunned

  • تاريخ النشر: منذ يوم زمن القراءة: دقيقة قراءة

New research shows reward disappointment can trigger flexible behavior change.

The Chemical Is Called Acetylcholine

The Discovery Came From OIST

Mice Were Trained in a Virtual Maze

Disappointment Triggered the Brain Signal

The Brain Started Testing New Choices

Lower Acetylcholine Made Habits Stick

The Striatum Was Central to the Findings

The Brain Did Not Simply Erase the Old Habit

The Finding Could Matter for Disorders

It Changes How Bad Habits Are Understood

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Breaking a bad habit is usually framed as a battle of willpower, but new neuroscience points to a more precise mechanism inside the brain. A study linked a key chemical signal, acetylcholine, to the moment when the brain stops repeating an old strategy and becomes more willing to try something different.

The research, published in Nature Communications and highlighted by Inc., came from scientists at the Okinawa Institute of Science and Technology Graduate University. The team studied mice in a virtual maze and found that when an expected reward disappeared, acetylcholine surged in parts of the brain, helping trigger a shift away from the old behaviour.

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