While the term "neurodegenerative disorder" describes a condition in which brain cells progressively deteriorate, there are thankfully several antonyms that describe the opposite: brain cells that are healthy, functional, and regenerative. These include terms like "neuroplasticity," which refers to the brain's ability to adapt and form new neural connections, and "neurogenesis," which is the process of generating new nerve cells. Other related antonyms might include words like "vitality," "healing," "revitalization," or "restoration," all of which suggest a process of building or rejuvenation. Together, these antonyms offer a hopeful vision of brain health, and suggest potential avenues for treating and preventing neurodegenerative conditions.