Sexologist William B. Arndt considers paraphilic infantilism to combine forms of fetishism, transvestism and masochism. Diaper fetishism, nappy fetishism or diaperism, is a type of garment fetish or paraphilic infantilism. For some individuals the phenomenon may include a diaper fetish and/or arousal from infantilism. Other scenarios include infantilism and sissy maid. Failure to develop secondary sex characteristics (sexual infantilism) is typical. "Somatic infantilism" refers to infantilism of overall bodily development. Speech infantilism is a speech disorder. The Turner syndrome was described as "a syndrome of infantilism" by Henry Turner himself. In 1936, Craven labeled Picasso's work "Bohemian infantilism". Various types of infantilism were recognized, lumped together in the above superficial description.