Archives of Sexual Behavior, VoL 6, No. 5, 1977 Gender Identity Change in a Transsexual: An Exorcism David H. Barlow, Ph.D., 1,3 Gene G. Abel, M.D., 2 and Edward B. Blanchard 2 Gender identity change in a conservatively diagnosed 21.year-old transsexual after faith healing was fortuitously observed, was objectively and independently measured, and is reported. This case, and other recent developments, suggests a reexamination of the possibilities of psychosocial intervention to modify atypical gender identity. INTRODUCTION The most effective treatment for the relief of suffering in transsexuals would seem to be sex-reassignment surgery (Green and Money, 1969). This radical and irreversible treatment for what is basically a psychological problem is indicated since the suffering of transsexuals is considerable and all efforts at treatment through psychotherapy have been ineffective (Pauly, t965; Benjamin, 1971; Green, 1974). Postsurgical reports from transsexuals have suggested a relief