I have heard in the name of the baalei mussar that the same consciousness you have in this world carries through to the next. In other words the same "I" that you relate to in this world remains the same in the next world. My question is if anyone has seen this idea talked about and if so where? Thanks!
Rachel still cries over her children which evokes divine pity. (yirmiyahu, 31:14)
MoShe's grave was hidden from us because he could still nullify evil decrees if we were able to alert him of them. (sotah, 14a, see the Bach's edit)
Yitzchak argues for our salvation where Abraham and yaakov say to blot us out, claiming that only 12.5 years of sin are present in a man's life that he is accountable for, and either Gd can take that on, he can split it with Gd, or Yitzchak can take all of it, since he offered himself to Gd. (shabbos 89b)
it seems that though there is not change available to a person after death, their personalities remain intact, as does their level of righteousness.
Here's 3 starting points: