New #openaccess paper “A Simple 3-Parameter Model for Examining Adaptation in Speech and Voice Production” out in @FrontPsychol! #SimpleDIVA #tweeprint @BUSargent https://www.frontiersin.org/articles/10.3389/fpsyg.2019.02995/ … 1/
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Sensorimotor adaptation experiments are an important experimental paradigm in examining brain processes involved in motor (& speech/voice motor) control. In speech/voice studies aspects of the acoustic signal are altered over time via auditory feedback (e.g. decrease in pitch) 2/
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In response, speakers change their production in the direction opposite the shift (e.g. increase in pitch) so that their perceived production is closer to what they intended 3/
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This process relies on an interplay between feedback control (detecting & correcting errors within a trial) & feedforward control (updating the motor command for the following trial). It’s difficult to disentangle the contribution of each system from behavioral data alone 4/
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We developed
#SimpleDIVA, a 3-parameter model that estimates the relative contribution of feedforward and feedback control mechanisms to speech & voice sensorimotor adaptation. We then tested the model with 6 existing datasets collected in labs across the US and Australia 5/1 reply 0 proslijeđenih tweetova 1 korisnik označava da mu se sviđaPrikaži ovu nit -
We showed that SimpleDIVA provides excellent fits to both speech (formants) and voice (f0) adaptation datasets, & the model parameters offer mechanistic explanations for the behavioral responses observed – even when using masking noise or perturbing more than one dimension 6/
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The model code is
@MATLAB based but we compiled the code in such a way that you can use it without a license! The app comes with sample files and a detailed user manual to get you started – excellent as a teaching resource or for modeling your own data http://sites.bu.edu/guentherlab/software/simplediva-app/ … 7/1 reply 0 proslijeđenih tweetova 3 korisnika označavaju da im se sviđaPrikaži ovu nit
This work was a huge collaborative effort between the @GuentherLab (A. Nieto-Castañón, R. Falsini, @LizHellerMurray, F. Guenther), @SteppLab (@Hasinirw, @defneabur), @SBRLaboratory (A. Daliri, S-C. Chao), @syd_health (K. Ballard), @speechlabmsu (@hg523), and @TerriLynnScott! 8/pic.twitter.com/QF8CeSApvT
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This paper features as part of a research topic on “Models and theories of speech production” – see more about the topic and other excellent submissions here: https://www.frontiersin.org/research-topics/8316/models-and-theories-of-speech-production#overview … 9/9
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