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1
Amount of speech exposure predicts vowel perception in four- to eight-month-olds
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2
Lexical Specification of Prosodic Information in Swedish: Evidence from Mismatch Negativity
Zora, Hatice; Riad, Tomas; Schwarz, Iris-Corinna; Heldner, Mattias. - : Frontiers Media S.A., 2016
Abstract: Like that of many other Germanic languages, the stress system of Swedish has mainly undergone phonological analysis. Recently, however, researchers have begun to recognize the central role of morphology in these systems. Similar to the lexical specification of tonal accent, the Swedish stress system is claimed to be morphologically determined and morphemes are thus categorized as prosodically specified and prosodically unspecified. Prosodically specified morphemes bear stress information as part of their lexical representations and are classified as tonic (i.e., lexically stressed), pretonic and posttonic, whereas prosodically unspecified morphemes receive stress through a phonological rule that is right-edge oriented, but is sensitive to prosodic specification at that edge. The presence of prosodic specification is inferred from vowel quality and vowel quantity; if stress moves elsewhere, vowel quality and quantity change radically in phonologically stressed morphemes, whereas traces of stress remain in lexically stressed morphemes. The present study is the first to investigate whether stress is a lexical property of Swedish morphemes by comparing mismatch negativity (MMN) responses to vowel quality and quantity changes in phonologically stressed and lexically stressed words. In a passive oddball paradigm, 15 native speakers of Swedish were presented with standards and deviants, which differed from the standards in formant frequency and duration. Given that vowel quality and quantity changes are associated with morphological derivations only in phonologically stressed words, MMN responses are expected to be greater in phonologically stressed words than in lexically stressed words that lack such an association. The results indicated that the processing differences between phonologically and lexically stressed words were reflected in the amplitude and topography of MMN responses. Confirming the expectation, MMN amplitude was greater for the phonologically stressed word than for the lexically stressed word and showed a more widespread topographic distribution. The brain did not only detect vowel quality and quantity changes but also used them to activate memory traces associated with derivations. The present study therefore implies that morphology is directly involved in the Swedish stress system and that changes in phonological shape due to stress shift cue upcoming stress and potential addition of a morpheme.
Keyword: Neuroscience
URL: http://www.ncbi.nlm.nih.gov/pubmed/27965527
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5126077/
https://doi.org/10.3389/fnins.2016.00533
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3
OZI : Australian English communicative development inventory
Kalashnikova, Marina (R17600); Schwarz, Iris-Corinna; Burnham, Denis K. (R7357). - : U.K., Sage, 2016
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4
Universality and language-specific experience in the perception of lexical tone and pitch
Burnham, Denis; Kasisopa, Benjawan; Reid, Amanda. - : Cambridge University Press, 2015
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5
Neural correlates of lexical stress: mismatch negativity reflects fundamental frequency and intensity
Zora, Hatice; Schwarz, Iris-Corinna; Heldner, Mattias. - : Lippincott Williams & Wilkins, 2015
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6
Universality and language-specific experience in the perception of lexical tone and pitch
Burnham, Denis K. (R7357); Kasisopa, Benjawan (R17619); Reid, Amanda (R16657). - : U.K., Cambridge University Press, 2015
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7
Mismatch negativity at Fz in response to within-category changes of the vowel /i/
Marklund, Ellen; Schwarz, Iris-Corinna; Lacerda, Francisco. - : Lippincott Williams & Wilkins, 2014
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8
Speech perception, phonological sensitivity, and articulation in early vocabulary development
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9
New measures to chart toddlers' speech perception and language development : a test of the lexical restructuring hypothesis
Schwarz, Iris-Corinna; Burnham, Denis K.. - : Germany, ISCA, 2006
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