The BTSA
Physiological Foundations
Dominance
The Four Modes
Introversion and Extraversion
Why is the BTSA Different?
Dominance Let’s begin with the concept of preference? Evidence for the existence of natural preferences comes from five areas of research. First, the research conducted in the eighties by athletic organizations demonstrated that dominance is the principle rule of thumb with human systems. It showed that people are handed, armed, eyed, legged, etc. Moreover, it demonstrated how success for an individual is linked to that individual’s natural pattern of dominance matching the task he is assigned. Thus, natural betters were found to be predictably hemispheric with respect to their handedness, armedness, leggedness and footedness, but having an opposing dominance in their eyes (i.e. they were right handed, right armed, right footed, right legged, but left eyed).

Second, Langley Porter Neuro Psychiatric Institute in San Francisco demonstrated that the rule of dominance extends to include some form of neural activities, in that they demonstrated that people have differing sensory leads. Thus, people are preferentially either: auditory, visual, kinesthetic or olfactory. Moreover, they demonstrated effectively that people are most receptive to situations and stimulus which contain significant amounts of input suited to their sensory lead.

Third, work on neurotransmitters and neuropeptides in the cortex has revealed that people have differing levels of electrical resistance in different regions of their brain. The result is that someone uses a skill performed by a region in which that person has a lower level of electrical resistance, they think easily, metabolizing only moderate levels of energy. An architect visualizing a new building will show only moderate levels of metabolism in his Frontal Right Lobe which does the visualizing, while an accountant doing the same task shows a relatively higher level of metabolism. Moreover, the accountant thinks easily when analyzing a set of numbers, showing only moderate levels of metabolism in his Frontal Left, while the architect doing this task shows relatively higher levels of metabolism. Electrical efficiency in the brain is enhanced by competency development (i.e. practice and practice towards mastery), but the above differences seem to hold true even when the individuals involved both have the developed competency in the skill being monitored.
Indeed, in this arena, the work of Dr. Richard Haier in San Diego suggests that the ratio of energy consumed can be as much as 1 to 100. That is, the naturally dominant mode is 100 times more efficient or effective. If this is true, it means that (1) the cost of adaption, or Falsification of Type, in terms of sheer fatigue alone is astronomical; and that (2) using our natural leads much of the day may be the biggest and most personally important method of energy conservation and management.

Fourth, in his work on
Flow, Dr. Mihaly Czikszentmihaly suggests that optimal experiences, combining a high level of natural interest (concentration), with a sufficient skill to perform the task easily, have a highly beneficial effect on us connected to our experience of “meaningfulness”.

Fifth, the structural insights we have obtained concerning the brain in recent decades also reveal a basis for Jung’s premise that we all had a natural weakness predicated by our strength. For, while there are powerful neuronal conduits running between the left and right frontal lobes and between the left and right sensory chunks, and while the functioning of the psychomotor cortex seems to function as a powerful conduit between each frontal lobe and sensory region in its hemisphere, there appear to be no diagonal connectors in the brain. Thus if we do have a dominant function (where we spend as much time as we can because it is fun and easy to do so), the diagonal function is defacto, inaccessible to us.

Moreover, the conduits which do exist serve to confirm that the auxiliaries are available to the dominant mode by virtue of being both physically next to the dominant mode, as well as hard wired to it.

The underlying structure of this “availability” may even be the basis for Jung’s observation that when a person did seek to use their inferior mode, it would always be “contaminated by one of their auxiliaries”. In order to get o the feeling, mode from the thinking mode, the person must mentally walk through the auxiliary. Of course, the passage would “contaminate” or stain the expression of the inferior mode. The connections, opportunities and implications are endless.
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