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1
Reliability of single-subject neural activation patterns in speech production tasks
Abstract: Speech neuroimaging research targeting individual speakers could help elucidate differences that may be crucial to understanding speech disorders. However, this research necessitates reliable brain activation across multiple speech production sessions. In the present study, we evaluated the reliability of speech-related brain activity measured by functional magnetic resonance imaging data from twenty neuro-typical subjects who participated in two experiments involving reading aloud simple speech stimuli. Using traditional methods like the Dice and intraclass correlation coefficients, we found that most individuals displayed moderate to high reliability. We also found that a novel machine-learning subject classifier could identify these individuals by their speech activation patterns with 97% accuracy from among a dataset of seventy-five subjects. These results suggest that single-subject speech research would yield valid results and that investigations into the reliability of speech activation in people with speech disorders are warranted. ; R01 DC002852 - NIDCD NIH HHS; R01 DC007683 - NIDCD NIH HHS; T32 DC013017 - NIDCD NIH HHS ; Accepted manuscript
URL: https://hdl.handle.net/2144/43963
https://doi.org/10.1016/j.bandl.2020.104881
https://www.ncbi.nlm.nih.gov/pubmed/33278802
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2
Neural circuitry of the “rhythm effect” (Frankford et al., 2021) ...
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3
Behavioral and neural correlates of speech motor sequence learning in stuttering and neurotypical speakers: an fMRI investigation
In: Neurobiol Lang (Camb) (2021)
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4
Reliability of single-subject neural activation patterns in speech production tasks
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