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  Evidence for precategorical extrinsic vowel normalization

Sjerps, M. J., McQueen, J. M., & Mitterer, H. (2013). Evidence for precategorical extrinsic vowel normalization. Attention, Perception & Psychophysics, 75, 576-587. doi:10.3758/s13414-012-0408-7.

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Sjerps_Attent_Percept_Psychophys_2013.pdf (Verlagsversion), 331KB
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Sjerps, Matthias J.1, Autor           
McQueen, James M.2, 3, Autor           
Mitterer, Holger2, 4, Autor           
Affiliations:
1Psychology of Language Department, MPI for Psycholinguistics, Max Planck Society, ou_792545              
2Donders Institute for Brain, Cognition and Behaviour, ou_55236              
3Behavioural Science Institute, Radboud University Nijmegen, ou_persistent22              
4Language Comprehension Department, MPI for Psycholinguistics, Max Planck Society, ou_792550              

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 Zusammenfassung: Three experiments investigated whether extrinsic vowel normalization takes place largely at a categorical or a precategorical level of processing. Traditional vowel normalization effects in categorization were replicated in Experiment 1: Vowels taken from an [ɪ]-[ε] continuum were more often interpreted as /ɪ/ (which has a low first formant, F (1)) when the vowels were heard in contexts that had a raised F (1) than when the contexts had a lowered F (1). This was established with contexts that consisted of only two syllables. These short contexts were necessary for Experiment 2, a discrimination task that encouraged listeners to focus on the perceptual properties of vowels at a precategorical level. Vowel normalization was again found: Ambiguous vowels were more easily discriminated from an endpoint [ε] than from an endpoint [ɪ] in a high-F (1) context, whereas the opposite was true in a low-F (1) context. Experiment 3 measured discriminability between pairs of steps along the [ɪ]-[ε] continuum. Contextual influences were again found, but without discrimination peaks, contrary to what was predicted from the same participants' categorization behavior. Extrinsic vowel normalization therefore appears to be a process that takes place at least in part at a precategorical processing level.

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Sprache(n): eng - English
 Datum: 2012-11-2920132013
 Publikationsstatus: Erschienen
 Seiten: -
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: Expertenbegutachtung
 Identifikatoren: DOI: 10.3758/s13414-012-0408-7
PMID: 23288656
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Titel: Attention, Perception & Psychophysics
  Kurztitel : Atten Percept Psychophys
Genre der Quelle: Zeitschrift
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Ort, Verlag, Ausgabe: Psychonomic Society
Seiten: - Band / Heft: 75 Artikelnummer: - Start- / Endseite: 576 - 587 Identifikator: ISSN: 1943-3921
CoNE: https://pure.mpg.de/cone/journals/resource/1943-3921