Regeneration: Persona Shift?

[simonf]

I'm really not sure how Persona Shift works when you roll that result on the Traits table in the Regeneration rules in The Time Traveller's Guide. It says to roll a D6 and replace that many Traits with similar ones of equal value, which is straightforward enough but how do you decide which ones to replace?

[infinitydoctor]

The player gets to choose. The base type stays the same though, its not quite as bad as some of the other options. So - if my player's Timelord August Rain regenerates, rolls this result, then rolls a 3, he has to look through his traits and replace 3 of them. He chooses to replace Eccentric (Minor Bad), Argumentative (Minor Bad) and Attractive (Minor Good). The player decides (or has rolled 6 on the Apparent Age table) that August's new incarnation will be an older Timelord, like the First Doctor, and will now have Forgetful (Minor Bad), Impaired Senses - Shortsighted (Minor Bad) and Resourceful Pockets (Minor Good).

The only limitation really is that their basic Time Lord traits remain untouched. (see the sidebar on p.41).