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1
Long-term priming of the meanings of ambiguous words
In: Journal of memory and language. - Amsterdam [u.a.] : Elsevier 68 (2013) 2, 180-198
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OLC Linguistik
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2
Phase-Locked Responses to Speech in Human Auditory Cortex are Enhanced During Comprehension
Peelle, Jonathan E.; Gross, Joachim; Davis, Matthew H.. - : Oxford University Press, 2013
BASE
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3
Lexical Influences on Auditory Streaming
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4
Top-Down Influences of Written Text on Perceived Clarity of Degraded Speech
Sohoglu, Ediz; Peelle, Jonathan E.; Carlyon, Robert P.. - : American Psychological Association, 2013
BASE
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5
Phase-Locked Responses to Speech in Human Auditory Cortex are Enhanced During Comprehension
Peelle, Jonathan E.; Gross, Joachim; Davis, Matthew H.. - : Oxford University Press, 2013
Abstract: A growing body of evidence shows that ongoing oscillations in auditory cortex modulate their phase to match the rhythm of temporally regular acoustic stimuli, increasing sensitivity to relevant environmental cues and improving detection accuracy. In the current study, we test the hypothesis that nonsensory information provided by linguistic content enhances phase-locked responses to intelligible speech in the human brain. Sixteen adults listened to meaningful sentences while we recorded neural activity using magnetoencephalography. Stimuli were processed using a noise-vocoding technique to vary intelligibility while keeping the temporal acoustic envelope consistent. We show that the acoustic envelopes of sentences contain most power between 4 and 7 Hz and that it is in this frequency band that phase locking between neural activity and envelopes is strongest. Bilateral oscillatory neural activity phase-locked to unintelligible speech, but this cerebro-acoustic phase locking was enhanced when speech was intelligible. This enhanced phase locking was left lateralized and localized to left temporal cortex. Together, our results demonstrate that entrainment to connected speech does not only depend on acoustic characteristics, but is also affected by listeners’ ability to extract linguistic information. This suggests a biological framework for speech comprehension in which acoustic and linguistic cues reciprocally aid in stimulus prediction.
Keyword: Articles
URL: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3643716
http://www.ncbi.nlm.nih.gov/pubmed/22610394
https://doi.org/10.1093/cercor/bhs118
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