title: Perceptual adaptation to sinewave-vocoded speech across languages.
abstract: Listeners rapidly adapt to many forms of degraded speech. What level of information drives this adaptation, however, remains unresolved. The current study exposed listeners to sinewave-vocoded speech in one of three languages, which manipulated the type of information shared between the training languages (German, Mandarin, or English) and the testing language (English) in an audio-visual (AV) or an audio plus still frames modality (A + Stills). Three control groups were included to assess procedural learning effects. After training, listeners' perception of novel sinewave-vocoded English sentences was tested. Listeners exposed to German-AV materials performed equivalently to listeners exposed to English AV or A + Stills materials and significantly better than two control groups. The Mandarin groups and German-A + Stills group showed an intermediate level of performance. These results suggest that full lexical access is not absolutely necessary for adaptation to degraded speech, but providing AV-training in a language that is similar phonetically to the testing language can facilitate adaptation.
authors.affiliation: Department of Speech and Hearing Sciences, Indiana University, 200 S. Jordan Ave., Bloomington, IN 47405, USA. tbent@indiana.edu
authors.forename: Tessa
authors.initials: T
authors.lastname: Bent
authors.forename: Jeremy L
authors.initials: JL
authors.lastname: Loebach
authors.forename: Lawrence
authors.initials: L
authors.lastname: Phillips
authors.forename: David B
authors.initials: DB
authors.lastname: Pisoni
mesh_terms: D001244:Association; D001288:Attention; D032882:Comprehension; D006801:Humans; D007802:Language; D010364:Pattern Recognition, Visual; D010469:Perceptual Distortion; D010700:Phonetics; D011932:Reading; D013018:Sound Spectrography; D013067:Speech Perception; D014741:Video Recording; D014796:Visual Perception