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Metaphorical Aperture Size |
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©Arlene R. Taylor PhD Realizations Inc
Studies have identified at least five factors that combine to influence one’s position on the EAI Continuum. One of those factors involves the size of the metaphorical aperture.
 Think of each brain as having a metaphorical opening with an optimum diameter, although the aperture can dilate or constrict depending on the circumstances. The extremely extraverted brain has a small aperture that takes in less data second for second but can focus narrowly. Consequently it is continually searching for the stimulation it requires. If it doesn’t receive sufficient stimulation it can become quickly bored and even fall asleep.
Metaphorical Opening
The ambiverted brain is believed to have a medium-sized aperture that takes in moderate amounts of data second for second. It typically spends about half its time seeking stimulation and half its time seeking relief from stimulation.
The extremely introverted brain has a large aperture that takes in huge amounts of data second for second. This brain can become overloaded quite quickly and needs protection from overstimulation; otherwise, the individual can become ill.
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 Extraverts 15%
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70%
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Introverts 15% |
| • Can zoom in (as it were) and focus on the situation |
• Take in large amounts of data second for second |
| • Better short-term memory |
• Better long-term memory but recall may fail under stress |
| • Tend to tolerate high-tension situations better (e.g., exams) |
• Tend to be more sensitive to stimuli at all levels |
| • Less easily distracted by surroundings when interested in the goal or task |
• More easily distracted by surroundings even when interested in the goal or task |
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Extroversion-Introversion