are diverted from the risks of more specifically sexual detumescence.[13]

Reference has been made to the view of Alrutz, according to which
tickling is a milder degree of itching. It is more convenient and
probably more correct to regard itching or pruritus, as it is
termed in its pathological forms, as a distinct sensation, for it
does not arise under precisely the same conditions as tickling
nor is it relieved in the same way. There is interest, however,
in pointing out in this connection that, like tickling, itching
has a real parallelism to the specialized sexual sensations.
Bronson, who has very ably interpreted the sensations of itching
(New York Neurological Society, October 7, 1890; _Medical News_,
February 14, 1903, and summarized in the _British Medical
Journal_, March 7, 1903; and elsewhere), regards it as a
perversion of the sense of touch, a dysæsthesia due to obstructed
nerve-excitation with imperfect conduction of the generated force
into correlated nervous energy. The scratching which relieves
itching directs the nervous energy into freer channels, sometimes
substituting for the pruritus either painful or voluptuous
sensations. Such voluptuous sensations may be regarded as a
generalized aphrodisiac sense comparable to the specialized
sexual orgasm. Bronson refers to the significant fact that
itching occurs so frequently in the sexual region, and states
that sexual neurasthenia is sometimes the only discoverable cause
of genital and anal pruritus. (Cf. discussion on pruritus,
_British Medical Journal_, November 30, 1895.) Gilman, again
(_American Journal of Psychology_, vi, p. 22), considers that
scratching, as well as sneezing, is comparable to coitus.

The sexual embrace has an intimate connection with the phenomena of