I hope this all makes sense cause i had to make a pretty coloured diagram to be able to understand it properly, lol.
I think its a mistake that Introvert="recluse" and "extrovert" = "social"
Introvert/extrovert are ways of relating to others and the world - interpreting your inner experience through your outer experience, or your outer experience through your inner one.
So extroverts relate to others through their external experience, and introverts through their internal experience. this explains why introverts may need time to recharge away from others (to process stuff through their internal experiences).
but it doesn't suggest healthy introverts are likely to be recluses at all, to put that more "linear" healthy introverts are functioning through an introverted primary function and an extroverted auxillery function.
- not introversion/introversion, which is what would cause people to withdraw from others, or extroversion/extroversion which would cause people to be unable to process their experiences in a way which is really meaningful to them and/or properly connected to others. = PD
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A better way to look at things might be: are these things inside things or outside things: Me: "How can Sensing be something internal, I mean, you Sense your outside environment and iNterpret it, right ? So i could say i have extroverted sensing (directed at outer world, and introverted iNtuition?)
(If im interpreting/understanding things right.)
I keep testing as an ENTP, but that also hasn't seemed right to me for a long time. but ENTPs are supposed to have introverted sensing and extroverted intuition, and when i look at that it confuses me, my first reaction is, huh? "sensing is external". - Also NTs tend to find they are more interested in the process than the results, get stuck on the details when stressed, and tend to make good academics because that theoretical way of relating to things suits them (haha personally

)
But when i try to look at that pretty diagram... i realised "Se Ni" tells me nothing except what i already worked out... cause it depends on how complicated the complication is.
"False NT" could be simple case of auxilliary function replaced with tertiary one (what PD could be on a not-too-complicated level,) but i don't think it stops there:
- or it could be auxilliary replaced, tertiary conflicts with primary, ends up using tertiary and inferior in place of primary and secondary,
Or in cases where one function (especially a primary function) isn't fully accessible for some reason, and another is repressed, it could make things even more complex. (and the effects would become more random depending on what the person's typology
would have been, not just malajustment of what it is.)
well... ive been trying to get my head round this one for a bit now, and i think i understand it better, but i dont think ive got very far figuring anything that's actually helpful! LOL.
My best guess as far as pwSPD are concerned would be that most Schizoids are NOT NTs, otherswise they would be functional NTs, because they would be using well-developed primary & auxillery functions.
... ?