Suppose that while you're still around, a brain extension enables you to greatly extend your lifespan. Would you agree to the implant? Totally hypothetical, o

Suppose that while you're still around, a brain extension enables you to greatly extend your lifespan. Would you agree to the implant? Totally hypothetical, of course; I myself would not have a ready answer. But for paralyzed and nerve-damaged people, it seems to me adopting this technology would be a no-brainer, so to speak.