Auditory feedback delay disrupts specific brain mechanisms of speech monitoring
Multiple neuroimaging and neurostimulation studies demonstrate that altering or delaying auditory feedback disrupts specific neural mechanisms and cortical networks responsible for real-time speech monitoring and motor control.
The claim is specific, empirical, and testable. Multiple peer-reviewed neuroimaging and electrophysiological studies (Papers 0, 1, 5, 9, 10) directly support the idea that auditory feedback manipulation disrupts or engages specific brain mechanisms and pathways (such as STG, premotor areas, and dPreCG) dedicated to speech monitoring. There are no papers refuting this relationship.
Roozbeh Behroozmand, Rachel Shebek, Daniel R. Hansen, H. Oya, D. Robin, M. Howard, J. Greenlee. Sensory-Motor Networks Involved in Speech Production and Motor Control: An fMRI Study. 2015. https://doi.org/10.1016/j.neuroimage.2015.01.040
Paper 0 shows that auditory feedback perturbations activate specific sensory-motor networks involved in online speech monitoring and error correction.
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Naomi S. Kort, S. Nagarajan, J. Houde. A bilateral cortical network responds to pitch perturbations in speech feedback. 2013. https://doi.org/10.1016/j.neuroimage.2013.09.042
Paper 1 demonstrates that auditory feedback alterations engage specific bilateral cortical networks to detect speech errors and update motor plans.
Ozker M, Yu L, Dugan P, Doyle W, Friedman D, Devinsky O, Flinker A. Speech-induced suppression and vocal feedback sensitivity in human cortex.. 2024. https://doi.org/10.7554/elife.94198
Paper 5 confirms that delayed auditory feedback tasks recruit specific cortical regions sensitive to feedback alterations, linking auditory suppression and feedback sensitivity.
Araceli R. Cardenas, Roozbeh Behroozmand, Zsuzsanna Kocsis, P. Gander, K. Nourski, Christopher K. Kovach C, Kenji Ibayashi, Marco Pipoly, H. Kawasaki, M. Howard, J. Greenlee. Differential causal involvement of human auditory and frontal cortices in vocal motor control. 2020. https://doi.org/10.1101/2020.06.08.139881
Paper 9 utilizes direct electrical stimulation to show that specific auditory and frontal cortices are causally involved in feedback-dependent vocal motor control.
Muge Ozker, Werner Doyle, Orrin Devinsky, Adeen Flinker. Cortical network underlying speech production during delayed auditory feedback. 2020. https://doi.org/10.1101/2020.11.11.378471
Paper 10 demonstrates that delayed auditory feedback induces specific error signals and response enhancements in the auditory cortex and dorsal precentral gyrus.
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