RESIGNATION RESCINDED. By Frances Conley, 51, professor of neurosurgery at Stanford University School of Medicine; in Stanford, Calif. Conley announced last May that she was quitting the faculty after 16 years because of demeaning comments and sexist harassment by her male colleagues. The medical center has appointed a task force on discrimination and committees to review Conley's charges. Declaring herself satisfied with the administration's initial steps, Conley decided this month to continue teaching.