Please use the Socionic symbols and not the MBTI wingdings. MBTI "Ne" or whatever they are are a basardization and
not appropriate for these fora. And poor Augustinavichiute spent so much time
creating a smorgasboard of terms to use it's almost speaking ill of the deceased to speak in MBTI.
Generally speaking, the abstract irrational elements perceive stereotypes. The concrete irrational elements perceive qualities. By the definitions of introverted and extroverted,
sees the stereotypes of objects (people) while
sees the stereotypes of fields (trends between object and objects = people).
Please see
this post which contains a list of the three defining qualities of introvert and extrovert.