At the core of neuroplasticity are two primary mechanisms: synaptic plasticity and cortical remapping. Synaptic plasticity involves changes in the strength of connections between neurons, known as synapses. When we learn something new, certain synaptic connections strengthen, facilitating more efficient communication between neurons. Conversely, unused connections may weaken over time, reflecting the principle of "use it or lose it." Cortical remapping, on the other hand, involves the brain's ability to reassign functions to different areas. This phenomenon is particularly evident in individuals who have suffered brain injuries, where unaffected regions adapt to take over functions from the damaged areas.