On this thread:
http://www.typologycentral.com/foru...cs/36880-types-neurological-binary-codes.html I developed an idea of type preference stemming from the temperament factors of expressiveness and responsiveness, which can be interpreted in terms of stimulatability. Like an introvert tends to be overstimulated by the external world, so thus turns within. An extravert tends to be understimulated, and thus turns outward. This shapes the orientation of the dominant function, as well as the E or I of the first letter of type, which is also apart of his Interaction Style, or social temperament.
This is then extended to cooperative/pragmatic, which would be expressiveness in the "conative" area of action and leadership. Cooperatives, sort of like introverts are overstimulatable, and thus limit their action to "what's right", while Pragmatics, sort of like extraverts, are understimulateable, and thus quick to do whatever works.
This also works for the other dimension (responsiveness) in both areas. Directives tend to be overstimulated by unsolicited interaction from others, while informatives are understimulatable and thus respond more to others. (And this is what shapes the "language" the Interaction Styles pick up and name the two poles of the factor after). Structure-focused is overstimulated by unsolicited control by others (and thus depend on their own structures), while motive-focused are understimulateable, and thus willing to 'work with people'; allowing others' agendas to shape their decisions.
Overall,
Thinking tends to
directing, structure and pragmatism, while
Feeling tends to
informing, motive, and cooperativeness. All T's and F's do not prefer all three of the respective poles.
Its just that if you prefer
two out of the three, you will fall to the prevailing side.
TJ's and FP's are the "pure" types consistently preferring all three, and TP's and FJ's are 2/3 mixtures.
It's a wild idea, but tying these factors to "stimulatability" creates a possible link to neurology. If this is true, then that could be a neurological basis for our function preference.