Neural detection of changes in amplitude rise time in infancy.
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Authors
Ní Choisdealbha, Áine
Attaheri, Adam
Rocha, Sinead
Brusini, Perrine
Mead, Natasha
Gibbon, Samuel
Williams, Isabel
Grey, Christina
Ahmed, Henna
Publication Date
2021-06-23Journal Title
Developmental Cognitive Neuroscience
ISSN
1878-9293
Publisher
Center for Open Science
Type
Article
This Version
AM
Metadata
Show full item recordCitation
Ní Choisdealbha, Á., Attaheri, A., Rocha, S., Brusini, P., Flanagan, S., Mead, N., Gibbon, S., et al. (2021). Neural detection of changes in amplitude rise time in infancy.. Developmental Cognitive Neuroscience https://doi.org/10.31234/osf.io/53hkz
Abstract
<p>Amplitude rise times play a crucial role in the perception of rhythm in speech, and reduced perceptual sensitivity to differences in rise time is related to developmental language difficulties. Amplitude rise times also play a mechanistic role in neural entrainment to the speech amplitude envelope. Using an ERP paradigm, here we examined for the first time whether infants at the ages of seven and eleven months exhibit an auditory mismatch response to changes in the rise times of simple repeating auditory stimuli. We found that infants exhibited a mismatch response (MMR) to all of the oddball rise times used for the study. The MMR was more positive at seven than eleven months of age. At eleven months, there was a shift to a mismatch negativity (MMN) that was more pronounced over left fronto-central electrodes. The MMR over right fronto-central electrodes was sensitive to the size of the difference in rise time. The results indicate that neural processing of changes in rise time is present at seven months, supporting the possibility that early speech processing is facilitated by neural sensitivity to these important acoustic cues.</p>
Sponsorship
European Research Council Grant Agreement 698786
Identifiers
External DOI: https://doi.org/10.31234/osf.io/53hkz
This record's URL: https://www.repository.cam.ac.uk/handle/1810/332873
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