Definition of "æsthesia"

As the conditions for producing different phenomena required variations of these relations between anæsthesia and hyperæsthesia, or even normal æsthesia for certain parts of the body the manifestations seemed to have adjusted themselves to these needs.

1911, W. H. Hamilton, J. S. Smyth, James H. Hyslop, chapter III, in Proceedings of the American Society for Psychical Research, volume V, page 126