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Dynamic functional brain network connectivity during pseudoword processing relates to children’s reading skill
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Emerging atypical connectivity networks for processing angry and fearful faces in very preterm born children
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In: Hum Brain Mapp (2020)
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Machine learning for MEG during speech tasks
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Abstract:
We consider whether a deep neural network trained with raw MEG data can be used to predict the age of children performing a verb-generation task, a monosyllable speech-elicitation task, and a multi-syllabic speech-elicitation task. Furthermore, we argue that the network makes predictions on the grounds of differences in speech development. Previous work has explored taking ‘deep’ neural networks (DNNs) designed for, or trained with, images to classify encephalographic recordings with some success, but this does little to acknowledge the structure of these data. Simple neural networks have been used extensively to classify data expressed as features, but require extensive feature engineering and pre-processing. We present novel DNNs trained using raw magnetoencephalography (MEG) and electroencephalography (EEG) recordings that mimic the feature-engineering pipeline. We highlight criteria the networks use, including relative weighting of channels and preferred spectro-temporal characteristics of re-weighted channels. Our data feature 92 subjects aged 4–18, recorded using a 151-channel MEG system. Our proposed model scores over 95% mean cross-validation accuracy distinguishing above and below 10 years of age in single trials of un-seen subjects, and can classify publicly available EEG with state-of-the-art accuracy.
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URL: https://doi.org/10.1038/s41598-019-38612-9 http://www.ncbi.nlm.nih.gov/pubmed/30733596 http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6367450/
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Development of network synchronization predicts language abilities
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Effects of age, sex and syllable structure on voice onset time: Evidence from children’s voiceless aspirated stops
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Changes in Voice Onset Time and Motor Speech Skills in Children following Motor Speech Therapy: Evidence from /pa/ productions
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Neuromagnetic Vistas into Typical and Atypical Development of Frontal Lobe Functions
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Cortical Thickness in Children Receiving Intensive Therapy for Idiopathic Apraxia of Speech
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Localization of Broca’s area using verb generation tasks in the MEG: Validation against fMRI
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Task-Related Modulation of Early Cortical Responses during Language Production: An Event-Related Synthetic Aperture Magnetometry Study
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Task-Related Modulation of Early Cortical Responses during Language Production: An Event-Related Synthetic Aperture Magnetometry Study
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