Scholars@Duke

• Background
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  Education, Training, & Certifications

  • Ph.D., University of Alabama at Tuscaloosa 2002
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  Duke Appointment History

  • Visiting Lecturer in the Department of Psychology & Neuroscience, Psychology and Neuroscience, Trinity College of Arts & Sciences 2015
• Research
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  Selected Grants

  • Advancing the Measurement and Classification of Lower Urinary Tract Dysfunction awarded by National Institutes of Health 2012 - 2024
  • A Compute Cluster for Brain Imaging and Analysis awarded by National Institutes of Health 2016 - 2017
  • Functional connectivity changes in attention networks after cardiac surgery awarded by National Institutes of Health 2012 - 2015
  • High Fidelity fMRI awarded by National Institutes of Health 2004 - 2010
• Publications & Artistic Works
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  Selected Publications

  • Academic Articles

    • Peterson, Andrew C., Abigail R. Smith, Matthew O. Fraser, Claire C. Yang, John O. L. DeLancey, Brenda W. Gillespie, John L. Gore, et al. “The Distribution of Post-Void Residual Volumes in People Seeking Care in the Symptoms of Lower Urinary Tract Dysfunction Network Observational Cohort Study With Comparison to Asymptomatic Populations..” Urology 130 (August 2019): 22–28. https://doi.org/10.1016/j.urology.2019.01.069.
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    • Cameron, Anne P., Jonathan B. Wiseman, Abigail R. Smith, Robert M. Merion, Brenda W. Gillespie, Catherine S. Bradley, Cindy L. Amundsen, et al. “Are three-day voiding diaries feasible and reliable? Results from the Symptoms of Lower Urinary Tract Dysfunction Research Network (LURN) cohort..” Neurourol Urodyn, July 25, 2019. https://doi.org/10.1002/nau.24113.
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    • Lai, H Henry, Margaret E. Helmuth, Abigail R. Smith, Jonathan B. Wiseman, Brenda W. Gillespie, Ziya Kirkali, and Ziya Symptoms of Lower Urinary Tract Dysfunction Research Network (LURN). “Relationship Between Central Obesity, General Obesity, Overactive Bladder Syndrome and Urinary Incontinence Among Male and Female Patients Seeking Care for Their Lower Urinary Tract Symptoms..” Urology 123 (January 2019): 34–43. https://doi.org/10.1016/j.urology.2018.09.012.
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    • Smith, Patrick J., Jeffrey N. Browndyke, Zachary A. Monge, Todd B. Harshbarger, Michael L. James, Jeffrey G. Gaca, John H. Alexander, et al. “Longitudinal Changes in Regional Cerebral Perfusion and Cognition After Cardiac Operation..” Ann Thorac Surg 107, no. 1 (January 2019): 112–18. https://doi.org/10.1016/j.athoracsur.2018.07.056.
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    • Browndyke, Jeffrey N., Miles Berger, Patrick J. Smith, Todd B. Harshbarger, Zachary A. Monge, Viral Panchal, Tiffany L. Bisanar, et al. “Task-related changes in degree centrality and local coherence of the posterior cingulate cortex after major cardiac surgery in older adults..” Hum Brain Mapp 39, no. 2 (February 2018): 985–1003. https://doi.org/10.1002/hbm.23898.
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    • Browndyke, Jeffrey N., Miles Berger, Todd B. Harshbarger, Patrick J. Smith, William White, Tiffany L. Bisanar, John H. Alexander, et al. “Resting-State Functional Connectivity and Cognition After Major Cardiac Surgery in Older Adults without Preoperative Cognitive Impairment: Preliminary Findings..” J Am Geriatr Soc 65, no. 1 (January 2017): e6–12. https://doi.org/10.1111/jgs.14534.
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    • Melton, M Stephen, Jeffrey N. Browndyke, Todd B. Harshbarger, David J. Madden, Karen C. Nielsen, and Stephen M. Klein. “Changes in Brain Resting-state Functional Connectivity Associated with Peripheral Nerve Block: A Pilot Study..” Anesthesiology 125, no. 2 (August 2016): 368–77. https://doi.org/10.1097/ALN.0000000000001198.
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    • Yang, Claire C., Kevin P. Weinfurt, Robert M. Merion, Ziya Kirkali, and Ziya LURN Study Group. “Symptoms of Lower Urinary Tract Dysfunction Research Network..” J Urol 196, no. 1 (July 2016): 146–52. https://doi.org/10.1016/j.juro.2016.01.007.
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    • Zimmer, Ulrike, Kenneth C. Roberts, Todd B. Harshbarger, and Marty G. Woldorff. “Multisensory conflict modulates the spread of visual attention across a multisensory object..” Neuroimage 52, no. 2 (August 15, 2010): 606–16. https://doi.org/10.1016/j.neuroimage.2010.04.245.
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    • Harshbarger, Todd B., and Allen W. Song. “Differentiating sensitivity of post-stimulus undershoot under diffusion weighting: implication of vascular and neuronal hierarchy..” Plos One 3, no. 8 (August 13, 2008). https://doi.org/10.1371/journal.pone.0002914.
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    • Harshbarger, Todd B., and Allen W. Song. “Endogenous functional CBV contrast revealed by diffusion weighting..” Nmr Biomed 19, no. 8 (December 2006): 1020–27. https://doi.org/10.1002/nbm.1067.
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    • Harshbarger, Todd B., and Allen W. Song. “B factor dependence of the temporal characteristics of brain activation using dynamic apparent diffusion coefficient contrast..” Magn Reson Med 52, no. 6 (December 2004): 1432–37. https://doi.org/10.1002/mrm.20293.
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    • Song, Allen W., Todd Harshbarger, Tianlu Li, Keun-Ho Kim, Kamil Ugurbil, Susumu Mori, and Dae-Shik Kim. “Functional activation using apparent diffusion coefficient-dependent contrast allows better spatial localization to the neuronal activity: evidence using diffusion tensor imaging and fiber tracking..” Neuroimage 20, no. 2 (October 2003): 955–61. https://doi.org/10.1016/S1053-8119(03)00292-1.
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    • Harshbarger, T. B., and D. B. Twieg. “Iterative reconstruction of single-shot spiral MRI with off resonance..” Ieee Trans Med Imaging 18, no. 3 (March 1999): 196–205. https://doi.org/10.1109/42.764889.
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    • Mason, G. F., T. Harshbarger, H. P. Hetherington, Y. Zhang, G. M. Pohost, and D. B. Twieg. “A method to measure arbitrary k-space trajectories for rapid MR imaging..” Magn Reson Med 38, no. 3 (September 1997): 492–96. https://doi.org/10.1002/mrm.1910380318.
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• Teaching & Mentoring
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  Recent Courses

  • NEUROSCI 382L: Functional Neuroimaging 2018
  • PSY 303L: Functional Neuroimaging 2018
  • NEUROBIO 881: Functional Magnetic Resonance Imaging 2017
  • PSY 762: Functional Magnetic Resonance Imaging 2017

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