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Study links articulation, gender to vocal attractiveness by Brooks Hays Washington DC (UPI) Aug 31, 2021 Some voices sound better than others, but a study published Tuesday suggests the relationships between vocal qualities and the perception of listeners are gender dependent. For the study, scientists at the University of California, Irvine and the University of Utah recorded 42 individuals reading sentences. A separate group of study volunteers was then asked to listen to the recorded sentences and rate the attractiveness of different voices. Researchers measured several correlates of clear speech, including "vowel space area," which helped them quantify links between intelligibility and vocal attractiveness. "Multiple measures of working vowel space were computed from continuously sampled formant trajectories and were combined with measures of speech timing known to co-vary with clear articulation," researchers wrote in the paper, published Tuesday in the Journal of the Acoustical Society of America. Parents, teachers and even voice coaches often advise speakers to slow down and enunciate to improve the listening experience for their audience. "However, when it comes to empirical studies of how attractiveness of the human voice is judged, we couldn't find previous work investigating whether an actual link exists between perceived attractiveness and overall clarity of articulation," study co-author Daniel Stehr said in a press release. Researchers found vowel space area, a measure of acoustic clarity or articulation, was highly correlated with vocal attractiveness -- accounting for 73% of the variance in ratings -- but only for female voices. Listeners showed no preference for clarity when rating the attractiveness of male voices. "From a sexual selection standpoint, males with traits that are slightly more masculine than average are typically preferred, which in this context would make males with less clear speech more attractive," said Stehr, a graduate student and researcher at the Visual Perception and Neuroimaging Lab at UC Irvine. "At the same time, constricted vowel space area and lower perceived clarity is associated with a range of speech motor disorders, suggesting a lack of clarity may also have indicated the presence of disease to our ancestors," Stehr said.
Central European prehistory was highly dynamic Leipzig, Germany (SPX) Aug 26, 2021 Centrally located along trade routes and tightly nestled around the important waterways such as the Elbe River, Bohemia attracted many different archaeological cultures, rendering it a key region in understanding the prehistory of Europe. In addition to the expansions associated with the spread of agriculture and "steppe"-related ancestry previously discovered, this new study identifies at least another three migratory events which shaped central European prehistory. The genetic profiles of people ... read more
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