I would encourage people to think deeply about what they really want – if you truly wish to be an academic, that’s wonderful, but there is no shame in deciding on a different career, even if you have been successful in academia so far.
I miss neuroscience. I knew I would miss it even when I made my decision to move on. That said, I have found myself using the same mental research and problem-solving faculties in my current job, even though it has no link to neuroscience.
There are many more options out there than you’re easily aware of – some careers services may channel people towards certain career paths. It can be hard to see options other than academia when you’re in academia, but leaving isn’t a sign of failure, it’s a choice.