Asymmetry of electrodermal activity: a review.

Before the seventies, with a few exceptions, electrodermal activity had been studied only unilaterally, presuming symmetry. Only in the seventies do a growing number of authors take an interest in electrodermal asymmetry, due in part to the enthusiasm evoked by theories of hemispheric specialization. The purpose of this paper is to clarify and summarize the data - often contradictory - collected on this subject and to point out some remaining problems.