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Full-Text Articles in Communication Sciences and Disorders
An Investigation Of The Relation Between Sibilant Production And Somatosensory And Auditory Acuity, Satrajit Ghosh, Melanie Matthies, Edwin Maas, Mark Tiede, Lucie Ménard, Frank Guenther, Harlan Lane, Joseph Perkell
An Investigation Of The Relation Between Sibilant Production And Somatosensory And Auditory Acuity, Satrajit Ghosh, Melanie Matthies, Edwin Maas, Mark Tiede, Lucie Ménard, Frank Guenther, Harlan Lane, Joseph Perkell
Harlan Lane
The relation between auditory acuity, somatosensory acuity and the magnitude of produced sibilant contrast was investigated with data from 18 participants. To measure auditory acuity, stimuli from a synthetic sibilant continuum ([s]-[ʃ]) were used in a four-interval, two-alternative forced choice adaptive-staircase discrimination task. To measure somatosensory acuity, small plastic domes with grooves of different spacing were pressed against each participant's tongue tip and the participant was asked to identify one of four possible orientations of the grooves. Sibilant contrast magnitudes were estimated from productions of the words "said," "shed," "sid," and "shid." Multiple linear regression revealed a significant relation indicating …