Probablistic reduction in reading aloud: A comparison of younger and older adults
London : International Phonetics Association
InWolters, M.; Livingstone, J.; Beattie, B. (ed.), Proceedings of the 18th International Congress of Phonetic Sciences, pp. online
Article in monograph or in proceedings
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SW OZ DCC PL
Wolters, M.; Livingstone, J.; Beattie, B. (ed.), Proceedings of the 18th International Congress of Phonetic Sciences
Subject110 000 Neurocognition of Language; 110 007 PLUS: A neurocomputational model for the Processing of Linguistic Utterances based on the Unification-Space architecture; 110 009 The human brain and Chinese prosody; 110 012 Social cognition of verbal communication; 110 013 Binding and the MUC-model; 110 014 Public activities; DI-BCB_DCC_Theme 1: Language and Communication; Psycholinguistics; Speech Comprehension; What makes a good listener? (speech perception, individual differences, aging) (Vidi-project)
Frequent and predictable words are generally pronounced with less effort and are therefore acoustically more reduced than less frequent or unpredictable words. Local predictability can be operationalised by Transitional Probability (TP), which indicates how likely a word is to occur given its immediate context. We investigated whether and how probabilistic reduction effects on word durations change with adult age when reading aloud content words embedded in sentences. The results showed equally large frequency effects on verb and noun durations for both younger (Mage = 20 years) and older (Mage = 68 years) adults. Backward TP also affected word duration for younger and older adults alike. ForwardTP, however, had no significant effect on word duration in either age group. Our results resemble earlier findings of more robust BackwardTP effects compared to ForwardTP effects. Furthermore, unlike often reported decline in predictive processing with aging, probabilistic reduction effects remain stable across adulthood.
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