It depends on what you mean by "personality and temperament". Certainly the "personality and temperament" that the Lord sees, the inner man is continued. We do not have any way, though, to know how much the outer man "personality and temperament" is continued into the next life. One proof of that is how we would look at the temperament of one who has paranoid schizophrenia, I doubt that one would say that that particular temperament would continue into the next life. As dramatic as that is example is, one would have to understand that we all have corrupted bodies (brains) that make us lower beings than our spirit's personality would otherwise reflect. The question to ponder is how much lower? For some reason, some people think that we haven't fallen that far, that we are only a little bit blocked by the veil or we have only fallen a little. If one believes that, then I could see how one would suggest that our outward personality continues to the next. I believe that we have fallen dramatically, to a hardly recognizable state of being during this life. I can't imagine millions and millions of years (or however long it was) developing into mature spirit beings in the presence of our Heavenly Father looks anything like our current set of attributes. This life is a fallen test state that has no 1:1 correlation or other constant formula that we can determine with our previous life or the one to come in terms of the number of talents or traits we have here, for example, those with Down's syndrome have no comparative correlation between spirit intelligence vs human brain (natural being) intelligence.