A compelling and motivational piece of research has emerged from the world of neuroscience, proposing that the journey to success depends not just on effort, but crucially on ‘intensity and passion.’ Neuroscientist Emily McDonald has introduced a revolutionary “cheat code” designed to help individuals fundamentally rewire their brains and propel them toward achieving their goals.
Emily McDonald, who has gained significant popularity on social media platforms like TikTok and Instagram for making complex topics such as brain function, motivation, and neuroplasticity accessible, argues that if one engages only in “mild effort,” the brain remains trapped in old, ineffective patterns. To truly change one’s cognitive capacity, intensity and passion are essential catalysts.
She bases this transformational concept on three key scientifically-supported points:
- Increased Neuroplasticity: Working with an “extreme” level of intensity significantly boosts the brain’s neuroplasticity—its ability to form new neural connections and adapt.
- The Power of Dopamine: Intense effort triggers a greater release of dopamine (the reward and motivation chemical), which reinforces the drive and speeds up the entire process.
- Enhanced Selection: When an individual adopts an emotional and intense approach toward a goal, their brain begins to more efficiently select and perceive opportunities, people, and situations related to that specific objective.
Experts stress that achieving success requires more than just trying; it demands an effort strong enough to force the brain to ‘think in a new way,’ thereby breaking old habits. As Neuroscientist Emily McDonald asserts, “If you do not rewire your brain, you will remain guided by the same behaviors and thoughts that have always led you.”

