P->J completely inverts the orientations of the cognitive functions (Ti Ne Si Fe -> Ni Te Fi Se), it wouldn’t reflect a singular change but a wholesale shift in how you take in and act on information (also J doesn’t mean judgmental).

I remember reading great Chick dissections at Enter the Jabberwock back in the day. I think it’s not up anymore but still accessible on wayback https://web.archive.org/web/20071011174941/http://enterthejabberwock.com/?cat=12

neopets.com/neoboards/boardlist.phtml?board=55

fixed