Neuroscience of Personality... and anger

Dario Nardi, PhD, is the author or co-author of many books on personality, including NEUROSCIENCE OF PERSONALITY.  Through various lab experiments, he has been able to map patterns of brain area use that are different or characteristic of different personality types.

Here's a powerpoint on the material:
http://www.pdx.edu/sysc/sites/www.pdx.edu.sysc/files/neuro-systems.pdf

Here's a map of the brain areas that Nardi has explored defining:

Anger 

Personally, one of the most interesting tidbits so far in reading his book has to do with anger.  First, as a comment about the prefrontal regions, he states "those who underuse this region (Fp1 The Chief Judge) may be slow to make decisions, struggle to provide explanations, and/or have difficulty noticing errors or screening out negative input.  Also, criticism or unpleasant ideas may easily move them to sadness, anger or fear." and "When we hear criticism, take in violent or depressing content, or otherwise receive distruptive data, we can use this region (Fp2: Process Manager) to delve into that information, considering its meaning and how it applies to us; simultaneously, it helps us regulate our emotions so that we remain calm rather than getting angry.... People who underuse this region may be impatient, preferring to focus on decision-making; and they may get side-tracked or erupt with bursts of hostility when called to grapple with odd or unpleasant input."

Fe (Extraverted Feeling, vs Fi Introverted Feeling)

"[An ESFJ a Fi] too showed high activity in region Fp1... with a focus on rules for social responsibility.  [By contrast] Fe types show lower activity in region Fp2, which helps us introspect and apply disruptive information at the cost of feeling depressed.  When Fp2 fails, we get hostile.  This may explain why Fe types may sometimes suddenly switch from highly composed to very angry."

"All Fe types show high activity in region T5 [Sensitive Mediator], which helps us adjust to social feedback.  When we receive negative input from others such as frowns, this region hits us with feelings of embarrassment, and possibly guilt or shame, to prompt us to adjust our behavior.  The Fe types are highly responsive to these feelings."

Fe - in the order of highest rank to lowest in functions ESFJ = Fe > Si > Ne > Ti  ENFJ = Fe > Ni > Se > Ti  ISFJ = Si > Fe > Ti > Ne  INFJ = Ni > Fe > Ti > Se ESTP = Se > Ti > Fe > Ni  ENTP = Ne > Ti > Fe > Si  INTP = Ti > Ne > Si > Fe ISTP = Ti > Se > Ni > Fe

Fi INFP = Fi > Ne > Si > Te ISFP = Fi > Se > Ni > Te ENFP = Ne > Fi > Te > Si  ESFP = Se > Fi > Te > Ni INTJ = Ni > Te > Fi > Se ISTJ = Si > Te > Fi > Ne  ENTJ = Te > Ni > Se > Fi  ESTJ = Te > Si > Ne > Fi

Fe is adapting one's interactions with the external world to the moods and feelings of others. Fe is sensitive to events like changes in people's expressions or other such "soft," hard-to-quantify conditions in the environment.

Fi is judging perceptions emotionally, based on weight of evidence. Fi as a mental process is the flow of judgements on perceptions personal ideals or feeling of right and wrong. Fi strives for integrity and consistency in it's ideals. Fi is higher cognitive refinement personal emotion. Fi enables one to vividly re-experience past feelings.  

Other sources on  Fe vs. Fi and anger:

Happy Fe = Supportive/Giving
Angry Fe = Protective/Angry
Happy Fi = Nice/Respectful
Angry Fi = Stubborn/Distanced

Fi is quicker to anger but will suppress it
Fe is slower to experience anger but quicker to express anger

I'm guessing that inferior Fe [INTP, ISTP ] externalizes the feelings more when hurt. The inferior Fe is more likely to cry, yell, and scream at others or do physical things to vent anger like slam doors. The inferior Fi [ENTJ, ESTJ] ruminates more on the inside about how they were hurt and how no one understands them and how worthless they are. 

Inferior Fi (such as the people I've dealt with, including one claiming to be another type), seems to be insulted by people seen as crossing some line connected with an internal value (such as invading their "turf" or something), and you can't tell they're upset, but then they begin snarking at you, and finally unleash Fe-like attacks against your standing in the group. ("destructive" archetype).

Fi dom/aux are sensitive about their "character", their "goodness", their emotions as a means of internal processing, what things mean to themselves. Fi doms are especially concerned about their right to have their own ideas and experiences and for those to be accepted as valid. Fe inf are sensitive about how you behave around them, what you say around/about them, whether you're being respectful to them, whether you're giving attention to them. They have a surprising underlying "radar" that can flare up and accuse the other person of intentionally trying to subvert them.

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... but hey, don't listen to me, EXPRESS YOUR TRUTH! Jane

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