Shyness study examines how human brain adapts to stimuli | Mom Psych |

Shyness may be the result of deficits in two areas of the brain, new research finds. In fMRI studies, everyone responds similarly to unfamiliar faces, but non-shy people habituate as faces become familiar. Shy people, on the other hand, do not. Familiar faces trigger the same brain response as unfamiliar faces.