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    Subthalamic nucleus deep brain stimulation changes speech respiratory and laryngeal control in Parkinson's disease

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    Barlow_2010.pdf (369.8Kb)
    Issue Date
    2010-10
    Author
    Hammer, Michael J.
    Barlow, Steven M.
    Lyons, Kelly E.
    Pahwa, Rajesh
    Publisher
    Springer Verlag
    Type
    Article
    Article Version
    Scholarly/refereed, author accepted manuscript
    Rights
    © Springer-Verlag 2010
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    Abstract
    Adequate respiratory and laryngeal motor control are essential for speech, but may be impaired in Parkinson's disease (PD). Bilateral subthalamic nucleus deep brain stimulation (STN DBS) improves limb function in PD, but the effects on respiratory and laryngeal control remain unknown. We tested whether STN DBS would change aerodynamic measures of respiratory and laryngeal control, and whether these changes were correlated with limb function and stimulation parameters. Eighteen PD participants with bilateral STN DBS were tested within a morning session after a minimum of 12 h since their most recent dose of anti-PD medication. Testing occurred when DBS was on, and again 1 h after DBS was turned off, and included aerodynamic measures during syllable production, and standard clinical ratings of limb function. We found that PD participants exhibited changes with DBS, consistent with increased respiratory driving pressure (n = 9) and increased vocal fold closure (n = 9). However, most participants exceeded a typical operating range for these respiratory and laryngeal control variables with DBS. Changes were uncorrelated with limb function, but showed some correlation with stimulation frequency and pulse width, suggesting that speech may benefit more from low-frequency stimulation and shorter pulse width. Therefore, high-frequency STN DBS may be less beneficial for speech-related respiratory and laryngeal control than for limb motor control. It is important to consider these distinctions and their underlying mechanisms when assessing the impact of STN DBS on PD.
    URI
    http://hdl.handle.net/1808/24300
    DOI
    https://doi.org/10.1007/s00415-010-5605-5
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    • Speech-Language-Hearing Scholarly Works [83]
    Citation
    Hammer, M. J., Barlow, S. M., Lyons, K. E., & Pahwa, R. (2010). Subthalamic nucleus deep brain stimulation changes speech respiratory and laryngeal control in Parkinson’s disease. Journal of Neurology, 257(10), 1692–1702. http://doi.org/10.1007/s00415-010-5605-5

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    Contact KU ScholarWorks
    785-864-8983
    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    785-864-8983

    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    Image Credits
     

     

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