R. Harris is a research scientist at the Center for
Brain and Cognition at the University of California,
San Diego. Harris received her Ph.D. in psychology from
UCSD in 1998.
research interests are human emotion and interpersonal
relationships. Harris' interest in tickling began as
a graduate student when she read Charles Darwin's book
"The Expressions of the Emotions in Man and Animal,"
particularly the section on tickling and humor. In an
effort to find out what else was known about tickle,
she discovered that, although ticklish laughter has
been pondered since the ancient Greeks, there is almost
no empirical work on the topic. The author of several
papers a year since 1995, Harris is a pioneer in the
Besides tickling, Harris has also studied embarrassment