If the extrovert is trying to "cheer up" the introvert - extroverts are programmed to seek social rewards! - he or she may feel like a failure if the introvert remains unmoved.
Laurie HelgoeIntroverts are more effective leaders of proactive employees. When you have a creative, energetic work force, an introvert is going to draw out that energy better.
Laurie HelgoeIntroverts are collectors of thoughts, and solitude is where the collection is curated and rearranged to make sense of the present and future.
Laurie HelgoeExtroverts are more responsive to high-intensity and "happy" stimuli, which may be why an extrovert gets frustrated at the less "readable" face of the introvert.
Laurie HelgoeSome findings reveal extroverts as more adept at reading nonverbal cues, and attribute this to the extrovert's greater interest and experience with social interactions. Another line of research using subliminal images of facial emotion found introverts to be more sensitive to the differences, and hypothesized that this may be why introverts regulate the amount of incoming social information.
Laurie Helgoe