Positions

Selected Publications

Academic Article

Year Title Altmetric
2021 Walking Speed Reliably Measures Clinically Significant Changes in Gait by Directional Deep Brain Stimulation.  Frontiers in Human Neuroscience.  14. 2021
2020 Dopamine-mediated improvements in dynamic balance control in Parkinson's disease.  Gait and Posture.  82:68-74. 2020
2020 Reoperation for device infection and erosion following deep brain stimulation implantable pulse generator placement.  Journal of Neurosurgery.  133:403-410. 2020
2020 Latency of subthalamic nucleus deep brain stimulation-evoked cortical activity as a potential biomarker for postoperative motor side effects 2020
2020 An examination of the neurocognitive profile and base rate of performance impairment in primary dystonia.  Journal of Clinical Neuroscience.  74:1-5. 2020
2020 Proceedings of the Seventh Annual Deep Brain Stimulation Think Tank: Advances in Neurophysiology, Adaptive DBS, Virtual Reality, Neuroethics and Technology.  Frontiers in Human Neuroscience.  14. 2020
2020 Short latency cortical evoked potentials elicited by subthalamic nucleus deep brain stimulation: Commentary and results from paired pulse studies 2020
2020 Subcortical Intermittent Theta-Burst Stimulation (iTBS) Increases Theta-Power in Dorsolateral Prefrontal Cortex (DLPFC).  Frontiers in Neuroscience.  14. 2020
2020 Sensory hypersensitivity severity and association with obsessive-compulsive symptoms in adults with tic disorder.  Neuropsychiatric Disease and Treatment.  16:2591-2601. 2020
2019 Cortical Activation Elicited by Subthalamic Deep Brain Stimulation Predicts Postoperative Motor Side Effects.  Neuromodulation.  22:456-464. 2019
2019 Benefits and risks of unilateral and bilateral ventral intermediate nucleus deep brain stimulation for axial essential tremor symptoms.  Parkinsonism and Related Disorders.  60:126-132. 2019
2019 Awake testing during deep brain stimulation surgery predicts postoperative stimulation side effect thresholds.  Brain Sciences.  9. 2019
2019 A study on the feasibility of the Deep Brain Stimulation (DBS) electrode localization based on scalp electric potential recordings.  Frontiers in Physiology.  10. 2019
2018 A method for pre-operative single-subject thalamic segmentation based on probabilistic tractography for essential tremor deep brain stimulation 2018
2018 Efficacy and safety of deep brain stimulation in tourette syndrome the international tourette syndrome deep brain stimulation public database and registry.  JAMA Neurology.  75:353-359. 2018
2018 Evolving applications, technological challenges and future opportunities in neuromodulation: Proceedings of the fifth annual deep brain stimulation think tank.  Frontiers in Neuroscience.  11. 2018
2018 A feasibility study of combined intermittent theta burst stimulation and modified constraint-induced aphasia therapy in chronic post-stroke aphasia.  Restorative Neurology and Neuroscience.  36:503-518. 2018
2017 The relationship of electrophysiologic subthalamic nucleus length as a predictor of outcomes in deep brain stimulation for Parkinson disease.  Stereotactic and Functional Neurosurgery.  95:341-347. 2017
2017 Thalamic DBS with a constant-current device in essential tremor: A controlled clinical trial.  Parkinsonism and Related Disorders.  40:18-26. 2017
2017 The effect of unilateral subthalamic nucleus deep brain stimulation on depression in Parkinson's disease.  Brain Stimulation.  10:651-656. 2017
2017 Effects of Subthalamic Nucleus Deep Brain Stimulation on Objective Sleep Outcomes in Parkinson's Disease.  Movement Disorders Clinical Practice.  4:183-190. 2017
2016 Proceedings of the fourth annual deep brain stimulation think tank: A review of emerging issues and technologies.  Frontiers in Integrative Neuroscience.  10. 2016
2016 Coneless Linear Accelerator-Based Volumetric Modulated Arc Therapy Stereotactic Radiosurgery Technique for Functional Disorders. 2016
2016 Deep Brain Stimulation Battery Longevity: Comparison of Monopolar Versus Bipolar Stimulation Modes.  Movement Disorders Clinical Practice.  3:359-366. 2016
2016 The international deep brain stimulation registry and database for gilles de la tourette syndrome: How does it work?.  Frontiers in Neuroscience.  10. 2016
2016 Pregnancy in a Series of Dystonia Patients Treated with Deep Brain Stimulation: Outcomes and Management Recommendations.  Stereotactic and Functional Neurosurgery.  94:60-65. 2016
2015 Impact of Depression on Progression of Impairment and Disability in Early Parkinson's Disease.  Movement Disorders Clinical Practice.  2:371-378. 2015
2015 Reversible improvement in severe freezing of gait from Parkinson's disease with unilateral interleaved subthalamic brain stimulation.  Parkinsonism and Related Disorders.  21:1469-1470. 2015
2015 Tourette syndrome deep brain stimulation: A review and updated recommendations.  Movement Disorders.  30:448-471. 2015
2015 Adverse events associated with deep brain stimulation for movement disorders: Analysis of 510 consecutive cases.  Operative Neurosurgery.  11:200. 2015
2015 Spatial topographies of unilateral subthalamic nucleus deep brain stimulation efficacy for ipsilateral, contralateral, midline, and total Parkinson disease motor symptoms.  Operative Neurosurgery.  11:80-88. 2015
2015 Prevalence and characteristics of tremor in the NARCOMS multiple sclerosis registry: A cross-sectional survey.  BMJ Open.  5. 2015
2015 Proceedings of the Second Annual Deep Brain Stimulation Think Tank: What's in the Pipeline.  International Journal of Neuroscience.  125:475-485. 2015
2014 Shorter pulse generator longevity and more frequent stimulator adjustments with pallidal DBS for dystonia versus other movement disorders.  Brain Stimulation.  7:345-349. 2014
2013 The relationship between clinical phenotype and early staged bilateral deep brain stimulation in Parkinson disease: Clinical article.  Journal of Neurosurgery.  119:1530-1536. 2013
2013 A trial of scheduled deep brain stimulation for tourette syndrome: Moving away from continuous deep brain stimulation paradigms.  Archives of Neurology.  70:85-94. 2013
2013 Noninvasive measurement of cortical activity during effective brain stimulation for movement disorders.  Future Neurology.  8:9-12. 2013
2012 Design innovations and baseline findings in a long-term parkinson’s trial: The national institute of neurological disorders and stroke exploratory trials in parkinson’s disease long-term study-1.  Movement Disorders.  27:1513-1521. 2012
2012 Short latency activation of cortex by clinically effective thalamic brain stimulation for tremor.  Movement Disorders.  27:1404-1412. 2012
2012 Short latency activation of cortex during clinically effective subthalamic deep brain stimulation for Parkinson's disease.  Movement Disorders.  27:864-873. 2012
2012 High-frequency deep brain stimulation of the putamen improves bradykinesia in Parkinson's disease.  Movement Disorders.  27:168-169. 2012
2012 Unilateral subthalamic nucleus deep brain stimulation improves sleep quality in Parkinson's disease.  Parkinsonism and Related Disorders.  18:63-68. 2012
2011 High-frequency deep brain stimulation of the putamen improves bradykinesia in Parkinson's disease.  Movement Disorders.  26:2232-2238. 2011
2011 Challenges in diagnosis of isolated central nervous system vasculitis.  Brain and Behavior.  1:57-61. 2011
2011 Comparison of weight changes following unilateral and staged bilateral STN DBS for advanced PD.  Brain and Behavior.  1:12-18. 2011
2011 Activation of subthalamic neurons by contralateral subthalamic deep brain stimulation in parkinson disease.  Journal of Neurophysiology.  105:1112-1121. 2011
2011 The effects of deep brain stimulation on sleep in Parkinson’s disease.  Therapeutic Advances in Neurological Disorders.  4:15-24. 2011
2010 Construction of relational topographies from the quantitative measurements of functional deep brain stimulation using a 'roving window' interpolation algorithm.  Stereotactic and Functional Neurosurgery.  88:16-23. 2010
2010 Step activity in persons with Parkinsons disease.  Journal of Physical Activity and Health.  7:724-729. 2010
2009 Relief of acquired stuttering associated with Parkinson's disease by unilateral left subthalamic brain stimulation.  Journal of Speech, Language, and Hearing Research.  52:1652-1657. 2009
2009 Weight changes associated with unilateral STN DBS and advanced PD.  Parkinsonism and Related Disorders.  15:709-711. 2009
2009 Bilateral effects of unilateral subthalamic deep brain stimulation on parkinson's disease at 1 year.  Neurosurgery.  65:302-309. 2009
2007 Corticobasal degeneration.  Handbook of Clinical Neurology.  84:351-372. 2007
2002 Activation of kinetically distinct synaptic conductances on inhibitory interneurons by electrotonically overlapping afferents.  Neuron.  35:161-171. 2002

Chapter

Year Title Altmetric
2015 Basal ganglia physiology and dbs for parkinson's disease: Introduction and postulated mechanisms.  19-30. 2015
2015 Impact of surgical therapies on sleep and alertness in Parkinson’s disease.  195-207. 2015

Principal Investigator On

Investigator On

  • UAB Research and Education Program in Neuroscience  awarded by National Institute of Neurological Disorders and Stroke/NIH/DHHS 2017 - 2022
  • Private Grant  awarded by VARIAN MEDICAL SYSTEMS, INC. 2018 - 2022
  • University of Alabama at Birmingham_The Edumond J. Safra Fellowship in Movement Disorders 2017  awarded by Fox (Michael J.) Foundation for Parkinson's Research 2017 - 2020
  • UAB Bachmann-Straus Dystonia and Parkinson's Disease Center of Excellence  awarded by Bachmann-Strauss Dystonia & Parkinson Foundation, Inc 2013 - 2018
  • Post-Stroke Aphasia and rTMS Treatment (PART) Study  awarded by National Institute of Child Health and Human Development/NIH/DHHS 2012 - 2018
  • The Effect of Low Frequency STN DBS on Sleep and Vigilance in PD Patients  awarded by National Institute of Neurological Disorders and Stroke/NIH/DHHS 2012 - 2017
  • Private Grant  awarded by SANGAMO BIOSCIENCES, INC. 2013 - 2016
  • Alzheimer's Disease Cooperative Study  awarded by University of California, San Diego 2013 - 2015
  • UAB PD Neuroprotection Clinical Trial Center  awarded by National Institute of Neurological Disorders and Stroke/NIH/DHHS 2013 - 2014
  • A Double-Blind, Placebo-Controlled (Sham Surgery), Randomized, Multicenter Study Evaluating CERE-110 Gene Delivery in Subjects with Mild to Moderate Alzheimer's Disease (CERE 110-3)  awarded by University of California, San Diego 2011 - 2013
  • Stenting vs. Aggressive Medical Management for Preventing Recurrent Events in Intracranial Stenosis (SAMMPRIS)  awarded by Medical University of South Carolina 2008 - 2013
  • UAB Parkinson's Disease Neuroprotection Clinical Trial Center  awarded by National Institute of Neurological Disorders and Stroke/NIH/DHHS 2008 - 2012

    • Education And Training

  • Doctor of Medicine, University of Alabama at Birmingham 2001
  • Bachelor of Humanities in Music, Birmingham-Southern College 1997
  • Baptist Medical Center - Montclair, Internship 2002
  • UAB Hospital Neurology, Residency 2006

    • Full Name

  • Harrison Walker