Cryptorchidism (over 90% in some studies). Even after orchiopexy, these may also affect sperm maturation and motility at an older age. The most common diagnostic dilemma in otherwise normal boys is distinguishing a retractile testis from a testis that will not descend spontaneously into the scrotum. Retractile testes are more common than truly undescended testes and do not need to be operated on. In normal males, as the cremaster muscle relaxes or contracts, the testis moves lower or higher ("retracts") in the scrotum. This cremasteric reflex is much more active in infant boys than older men. A retractile testis high in
The Postmodern Condition risen at the end of the 1950s after the reconstruction of western Europe. The result is a plurality of language-games (a term coined by Ludwig Wittgenstein), of different types of argument. At the same time, the goal of truth in science is replaced by "performativity" and efficiency in the service of capital or the state, and science produces paradoxical results such as chaos theory, all of which undermine science's grand narrative. Lyotard professes a preference for this plurality of small narratives that compete with each other, replacing the totalitarianism of grand narratives. "The Postmodern Condition" was influential. However, Lyotard later