WebApr 15, 2011 · The single major cline in phonemic diversity is consistent with a linguistic founder effect operating under conditions of rapid expansion from a most likely origin in Africa. This supports a picture of language spread that is congruent with similar analyses … highest diversity in Africa and the lowest diversity in Oceania and South America. … WebPhonemic diversity was computed as the number of unique consonants and vowels in a speech-related vocalization. We observed three successive cohorts of 2.5-3.5-year-old children enrolled in an oral language classroom that included children with and without hearing loss (N = 29, 16 girls, 14 Hispanic).

Dating the Origin of Language Using Phonemic Diversity - PLOS

WebFeb 9, 2015 · Additionally, phonemic distances are correlated with geographic distances whether the phonemes are sampled from the same or from different language families. These results are consistent with an isolation-by-distance process produced by the steady movement of phonemes between neighboring languages. WebApr 14, 2011 · Each time a smaller group moves away, there is a reduction in its genetic diversity. The reduction in phonemic diversity over increasing distances from Africa, as … how to resize my lock screen picture

Phonemic diversity supports a serial founder effect model …

WebFeb 10, 2012 · We show that Atkinson’s (Reports, 15 April 2011, p. 346) intriguing proposal—that global linguistic diversity supports a single language origin in Africa—is an artifact of using suboptimal data, biased methodology, and unjustified assumptions. WebFeb 10, 2012 · Comment on “Phonemic Diversity Supports a Serial Founder Effect Model of Language Expansion from Africa”. We show that Atkinson’s (Reports, 15 April 2011, p. … WebApr 15, 2011 · Human genetic and phenotypic diversity declines with distance from Africa, as predicted by a serial founder effect in which successive population bottlenecks during … north dakota game and fish in jamestown nd