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Sound research at Acoustical Society meeting
Date:5/9/2011

der time following the story," Valente said. The results, he added, illustrate the importance of designing classrooms that reduce reverberation and ambient noise, and suggest that the standard practice of testing children in a sound booth with a single loudspeaker "may not be sufficient to identify problems students may be having in real classrooms with multiple talker locations, quick-changing talkers, and the interaction between background noise and the acoustical environment." The presentation 1pAAs9, "Effects of excessive noise and reverberation on listening and learning in a simulated classroom," is in the afternoon session on Monday, May 23. Abstract: http://asa.aip.org/web2/asa/abstracts/search.may11/asa128.html

Attention to Speech in Deaf Infants with Cochlear Implants

Cochlear implants can allow profoundly deaf infants to hear speech giving them the chance to eventually learn spoken language. However, a new study shows that the children receiving the implants don't automatically know how to listen when people speak to them. In the study, cognitive psychologist Derek M. Houston of Indiana University measured attention to speech by infants with cochlear implants and normal-hearing babies by tracking how much time the babies looked at a checkerboard pattern on a TV monitor. "It has been well-established that infants will look longer at a simple display the checkerboard pattern when hearing something they are interested in," he explains, "so I measured their looking time at the pattern when it was paired with a repeating speech sound, and compared that to the looking time at the same pattern with no sound." Although there was large variation in the attentiveness of individual deaf babies to the sound, in general, these babies "did not attend to speech as much as their normal-hearing counterparts," says Houston. Furthermore, two years after implantation, chi
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Contact: Charles E. Blue
cblue@aip.org
301-209-3091
American Institute of Physics
Source:Eurekalert

Page: 1 2 3 4 5 6 7 8 9 10 11 12 13 14

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