What is Neuroplasticity? Professor Andrew Huberman explains
Published on April 30, 2023
Summary authored by editor@wellifi.com
TLDR Summary
Neuroplasticity is the ability of our brains to adapt and change its understanding of the world, essentially acting as a prediction machine. While the mechanisms of neuroplasticity change with age, it remains a powerful tool for learning and adapting to our environment, and can even be leveraged to reduce the impact of traumatic or fearful experiences.
Key Points
- Neuroplasticity is the brain's ability to adapt and change its understanding of the world.
- Our brain is a prediction machine, constantly updating its maps for sensory experiences and emotional responses.
- Neurons have the ability to change their connection patterns, leading to neuroplasticity.
- The mechanisms of neuroplasticity change with age, becoming more deliberate and requiring focus post 25 years of age.
- Traumatic or fearful experiences rapidly reshape our nervous system, but neuroplasticity can be leveraged to reduce their impact.
Understanding Neuroplasticity: Your Brain's Adaptive Prediction Machine
Neuroplasticity, the ability of our brains to adapt and change, is a key feature of human cognition. This aspect of our nervous system helps us make predictions about our environment and respond in an adaptive manner. In essence, our brain is a prediction machine, constantly shaping and reshaping its understanding of the world.
Neuroplasticity: The Game-Changer
If you were to engage in an activity where you are rewarded for intentionally looking in the opposite direction of a sound, you could trigger neuroplastic change. With enough repetitions and focus, your brain's predictive maps would alter. As a result, even years later, upon hearing a sound from a certain direction, you might instinctively look the opposite way.
Neuroplasticity is not just limited to sensory experiences. It extends to emotional responses, helping us anticipate reactions from others based on their facial expressions or skin tones. These predictive maps are constantly updating through neuroplasticity.
Neuroplasticity: A Closer Look
Our nervous system is composed of nerve cells, or neurons, and other cell types. Neurons have the remarkable ability to change their connection patterns. These connections, or synapses, are the points where neurons transfer electrical and chemical information to each other. Everything we sense, perceive, think, feel, and do is dictated by these patterns of electrical activity and chemicals.
Neuroplasticity refers to changes in these connection patterns, akin to building new roads on a map. This adaptability allows us to learn and adjust according to our experiences.
The Changing Mechanisms of Neuroplasticity
The mechanisms of neuroplasticity vary at different stages of life. In early childhood, learning happens passively and effortlessly. For instance, children can learn multiple languages without an accent up until about age 12. However, post 25 years of age, the process of neuroplasticity changes. It becomes more deliberate and requires focus.
Interestingly, traumatic or fearful experiences often rapidly reshape our nervous system. The silver lining is that we can leverage neuroplasticity to change these connections and reduce the impact of such traumatic or fearful events.
Conclusion
Understanding neuroplasticity gives us valuable insights into our brain's adaptability. It empowers us to recognize our potential for learning, unlearning, and relearning, shaping our experiences and responses to the world around us.