Cases involving "wild" and disadvantaged children who received language stimulation after the onset of puberty support the hypothesis that language is innate and acquired only during the critical period. In the case known as the "Wild Boy of Averyron", a boy named Victor was found wandering in the woods of Averyon, in the south of France, about a century ago. Victor could not speak and behaved like a wild animal, indicating that he had been raised by wild animals, eating off the ground, making dog-like noises, and disliking baths. A doctor named Jean Marc Itard, who had acquired a reputation for teaching deaf people to speak, welcomed Victor. After many years of hard work, Itard only managed to teach Victor a few lexemes. Another case occurred in 1961 when a 13-year-old girl named Genie, who had been isolated in a crib for most of her life and never spoken to, was discovered. Many psychologists spent years trying to teach Genie to speak, but his speech did not exceed the grammatical competence of a