Which option best captures the concept of plasticity?

• A. It refers to the brain's rigid architecture that cannot adapt
• B. It refers to the brain's ability to adapt in response to experience or injury
• C. It occurs only in animals
• D. It is limited to the hippocampus

Answer: (B)

Plasticity is the brain’s ability to change its structure and function in response to experience or injury. This means learning can strengthen some connections and reshape networks, while after damage other areas can adapt to take over lost functions. It isn’t a fixed, unchangeable design, so the idea of a rigid brain doesn’t fit. Plastic changes aren’t confined to one part of the brain like the hippocampus; they occur across many regions, driven by activity, practice, and recovery processes. For example, practicing a skill can refine neural circuits involved in that task, and rehabilitation after injury can reorganize pathways to restore function.