" I should add that concepts very much like sensitivity are being studied by other researchers. If you are interested in this work, you can look up terms such as biological sensitivity to context (authors will be Thomas Boyce, Bruce Ellis, and others) and orienting sensitivity (the main authors will be David Evans and Mary Rothbart). "

― Elaine N. Aron , The Highly Sensitive Person: How to Thrive When the World Overwhelms You