Julius Dewald, PhD, PT - Rehabilitation Institute of Chicago

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  • Only Hospital Ranked #1 in America by U.S. News & World Report since 1991
  • 800,000+ outpatient visits each year
  • 5,000+ inpatients treated each year, system-wide
  • 50+ sites of care throughout Illinois and Indiana
  • One of only 2% of hospitals to receive three consecutive Magnet Recognitions for Nursing Excellence.
  • 182-bed inpatient hospital in the heart of Chicago
  • Largest rehabilitation research center in the world
  • Only rehabilitation hospital with eight federally designated research centers
  • 370+ active research projects in neuroscience, bionics, robotics, and musculoskeletal medicine
  • Academic home of Physical Medicine & Rehabilitation Department, Northwestern University Feinberg School of Medicine

Clinical Trials

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You can – by joining a clinical trial! See a list of our Research Studies & Clinical Trials.

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Julius P.A. Dewald

Julius P.A. Dewald, PhD, PT

  • Senior Clinical Research Scientist, SMPP, RIC
  • Associate Professor and Department Chair, NUPTHMS
  • Associate Professor, Northwestern Feinberg School of Medicine




  • English

Education, Residency and Internship


Vrije Universiteit Brussel (Brussels, Belgium), BSc, Physical Therapy and Rehabilitation Medicine
Vrije Universiteit Brussel (Brussels, Belgium), MSc, Neurophysiology and Rehabilitation Medicine
Loma Linda University (Loma Linda, CA), PhD, Neurophysiology

Honors & Awards

2001 Nominated ‘Profesor Extraordinario’ de la Universidad San Sebastian, Concepcion, Chile, for excellence in combining rehabilitation sciences with quantitative biomedical engineering techniques.


Peer Reviewed Journal Articles (selected)

Ellis MD, Acosta AM, Yao J, Dewald JP. Position-dependent torque coupling and associated muscle activation in the hemiparetic upper extremity. Exp Brain Res. 2007 Feb;176(4):594-602.

Krainak DM, Parrish TB, Dewald JP. A method to capture six-degrees-of-freedom mechanical measurements of isometric shoulder and elbow torques during event-related fMRI. J Neurosci Methods. 2006 Dec 27; [Epub ahead of print]

Yao J, Acosta AM, Dewald J. "A Biomechanics-based Method for the Quantification of Muscle Selectivity in a Musculoskeletal System," J. of Biomechanics, J Biomech. 2006;39(8):1527-30. Epub 2005 Jun 15).

Ellis, M., Holubar, B., Acosta, A., Beer, R., & Dewald, J. Modifiability of Abnormal Isometric Elbow and Shoulder Joint Torque Coupling After Stroke. Muscle & Nerve. 2005 Aug;32(2): 170-8.

Keller T, Ellis MD, Dewald JP. Overcoming abnormal joint torque patterns in paretic upper extremities using triceps stimulation. Artif Organs. 2005 Mar;29(3):229-32.

Deng J, Yao J, and Dewald J. "Classification of Shoulder Abduction and Elbow Flexion Using a Brain-Computer-Interface Approach," J. of Neural Engineering, (2005) vol. 2, pp. 131-138.

YaoJ, Dewald J."Evaluation of Different Cortical Source Localization Methods Using Simulated and SEP Related EEG Data," Neuroimage (2005) vol. 25, pp. 369-382.

Beer RF, Dewald JP, Dawson ML, Rymer WZ. Target-dependent differences between free and constrained arm movements in chronic hemiparesis. Exp Brain Res. 2004 Jun;156(4):458-70.

Ricamato AL, Dhaher YY, Dewald JP. Estimation of active cortical current source regions using a vector representation scanning approach. J Clin Neurophysiol. 2003 Sep-Oct;20(5):326-44.

Koo TK, Mak AF, Hung L, Dewald JP. Joint position dependence of weakness during maximum isometric voluntary contractions in subjects with hemiparesis. Arch Phys Med Rehabil. 2003 Sep;84(9):1380-6.

Dewald, JPA, Rymer, WZ, Schmit, BD. Reflex torque responses to multiple movement velocities in the spastic elbow: Evidence for changes in reflex threshold and gain. Submitted to Muscle & Nerve 2003.

Ricamato, AL, Dhaher, YY, and Dewald, JPA. Electrical cortical activity associated with joint torque direction in the human arm. Submitted to the Journal of Neurophysiology 2002.

Dewald, JPA, Beer, RF. Evidence for abnormal joint torque patterns in the paretic upper limb of subjects with hemiparesis. Muscle & Nerve 24 (2): 273-283, 2001.

Dewald, JPA, Sheshadri, V, Dawson, ML, Beer, RF. Upper limb discoordination in hemiparetic stroke: Implications for neurorehabilitation. Topics in Stroke Rehabilitation 8(1) 1-12, 2001.

Research Interests

Neurotherapeutic research, Neurophysiology, Physical therapy, Pathophysiology of stroke, Neuroimaging,Transcranial magnetic stimulation, Functional MRI, EEG, Spasticity, Abnormal Coordination. As both an assistant professor at Northwestern University and Senior Research Scientist at the Rehabilitation Institute of Chicago, I have the opportunity to combine clinical experience, neurophysiology and biomedical engineering to advance the scientific understanding of the pathophysiological mechanisms underlying movement disorders following central nervous system lesions in man. My work is funded largely through awards from the NIH and the Department of Education (NIDRR).

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