Links: Highly sensitive persons

"This means that regular sensory information is processed and analyzed to a greater extent, which contributes to creativity, intuition, sensing implications and attention to detail, but which may also cause quicker overstimulation and overarousal."

(click the post title link to see the full entry in Wikipedia)

(see also the website of leading authority Dr. Elaine Aron, which describes her books and provides a self-test)