Which one is an activity regularly used by athletes that has been found to create stronger neural networks and alter brain growth?

Rehearsal and visualization are specific mental techniques often employed by athletes to enhance performance. These activities are grounded in neuroscience, as they involve vividly imagining performing tasks, which can create and strengthen neural pathways associated with those tasks. This mental practice simulates the physical act of performing, allowing the brain to engage in the activity without actual physical movement. As a result, it contributes to improved cognitive functions and skills by promoting the brain's ability to adapt and grow—key components of neuroplasticity.

In the context of performance enhancement, athletes utilize rehearsal and visualization not only to boost their confidence but also to fine-tune their skills. This approach is effective in preparing the brain to respond in desired ways, thus translating these neural changes into better physical execution during actual performance. Recognizing the power of visualization enables athletes to perform better under pressure, as it helps them mentally rehearse their actions and strategies in various scenarios.

Other options, while beneficial for overall well-being and mental focus, do not have the same direct impact on creating neural networks and substantially altering brain growth as the practice of rehearsal and visualization does.