

The NeuroPathways Institute
Neuroscience informed solutions

Dr. Cathlyn Niranjana Bennett
6 Jun 2025
Working closely with individuals with traumatic brain injury has taught me to value life differently—it has taught me the difference between mere survival and living life meaningfully.
My interest in Neuropsychology began with my work as a volunteer in the Physical Medicine and Rehabilitation (PMR) Department of Christian Medical College, Vellore, India (following my first year of bachelor's in psychology). Working closely with individuals with traumatic brain injury has taught me to value life differently—it has taught me the difference between mere survival and living life meaningfully. Each day in the ward was a testament to the incredible resilience of the human brain. I watched patients who had lost speech learn to communicate again, and those who couldn’t walk take their first tentative steps. Yet, alongside hope, I also saw frustration, stagnation, and the long, unpredictable road of recovery. This real-world encounter made one concept stand out sharply: neuroplasticity—the brain’s ability to change its structure and function in response to experience.
Neuroplasticity: A Lifelong Force
For decades, it was believed that the brain’s development peaked in childhood, after which it gradually declined. But modern neuroscience paints a much more dynamic picture. Neuroplasticity is not limited to early life—it is a lifelong phenomenon. The brain is constantly rewiring itself in response to learning, injury, environment, and behaviour. Developmentally, the brain follows a fascinating trajectory. The prefrontal cortex (PFC), responsible for decision-making, impulse control, and higher-order thinking, is one of the last regions to mature, often continuing into the mid-20s. This delayed maturation explains many of the impulsive behaviours seen in adolescence, but it also leaves a window open—a window for growth, learning, and change. However, even as the brain matures, plasticity does not cease. Adults, too, can form new neural connections, recover lost functions, and learn new skills. This is the brain’s remarkable potential for good.
The Other Edge of the Sword
Yet neuroplasticity is not inherently positive. It is neutral—like clay, it takes the shape of whatever we mould it into. And sometimes, what we mould isn’t always healthy. The same mechanisms that allow us to learn a new language or recover from stroke also explain why habits and addictions can become deeply ingrained. Every repetition of a behaviour strengthens the associated neural pathways, making it harder to break the cycle. This is why quitting smoking, unlearning toxic thought patterns, or changing an unhealthy routine can feel like an uphill battle—it quite literally is. Addictions hijack the brain's reward systems, embedding themselves deeply through repetition and reinforcement. Over time, these patterns become automatic, operating below the level of conscious control. The dark side of neuroplasticity reveals itself here—showing us how the brain can adapt in ways that are not just unhelpful, but harmful.
Rewiring the Brain: Neuroplasticity in Action
The good news is that just as the brain can wire itself into harmful patterns, it can also rewire itself out of them. This is the empowering message of neuroplasticity. With consistent effort, new and healthier habits can be formed, and old ones can be weakened. In clinical rehabilitation, this concept is harnessed through targeted exercises, environmental enrichment, and increasingly, neurofeedback. Neurofeedback is a cutting-edge technique that uses real-time displays of brain activity—often via EEG—to help individuals learn to regulate their own brain function. In cases of traumatic brain injury, ADHD, anxiety, and even addiction, neurofeedback has shown promise in reinforcing more adaptive brainwave patterns, accelerating recovery and enhancing self-regulation. It is yet another way we are learning not just to support the brain's plasticity, but to guide it deliberately.
How to Harness Neuroplasticity for Good: Practical Suggestions
If we want to steer neuroplasticity in a positive direction, intention is key. Here are some science-backed ways to nurture brain change for the better:
Practise Repetition with Intention Repetition strengthens neural connections—so choose habits that align with your goals. Whether it’s gratitude journalling, meditation, or language learning, consistency is key.
Challenge Your Brain Novel experiences, like learning a new skill or engaging in complex problem-solving, stimulate new neural connections. Step outside your comfort zone often.
Move Your Body Physical exercise—especially aerobic activity—has a profound impact on brain plasticity. It promotes the release of BDNF (brain-derived neurotrophic factor), which supports neuron growth and survival.
Foster Meaningful Relationships Social connection has a profound impact on brain health. Meaningful, supportive relationships provide emotional safety, stimulate cognitive engagement, and encourage empathy and co-operation. Surround yourself with people who challenge you to grow—and be that person for others too.
Sleep Well Sleep isn’t just rest—it’s when your brain consolidates learning and prunes unnecessary connections. Prioritise good sleep hygiene.
Use Neurofeedback or Mindfulness Tools Technologies like neurofeedback, as well as regular mindfulness and meditation, can help train the brain towards more adaptive patterns by enhancing self-awareness and focus.
Be Patient and Compassionate with Yourself Brain change takes time. Progress often comes in small, incremental steps. Recognise your effort and allow yourself space to grow.
A Final Reflection Neuroplasticity is not merely a scientific concept—it’s a daily reality, shaping how we think, behave, and heal. The brain’s ability to adapt can either become the architecture of our limitations or the blueprint of our growth. By understanding and consciously engaging with this process—through therapy, healthy habits, mindfulness, and tools like neurofeedback—we can influence the very wiring of our minds. The brain is always changing. The question is: are you changing it with awareness, or letting the world change it for you? Neuroplasticity is a powerful force—and when guided with purpose, it can become the foundation for healing, growth, and lifelong transformation.