Steven R. Roys, BS, M.S.

Education:

1980 - BS Computer Science - University of Maryland College Park, College Park, Maryland

1992 - MS Electrical Engineering - Johns Hopkins University, Baltimore, Maryland

Work experience:

7/80 - 4/84, 11/84 - 11/86       Senior Systems engineer, Vector Automation, Inc., Baltimore, MD

4/84-10/84                               Systems Programmer, CGR Medical Systems, Inc.  Baltimore, MD

11/86 - present                        Research Associate/Senior systems engineer, University of Maryland at Baltimore, Department of Diagnostic Radiology and Nuclear Medicine

I have an extensive background in software design for real-time computer applications and systems programming, with special interests and experience in image acquisition and processing, computer graphics, and robotics systems.

MRI, Functional and metabolic imaging and image processing, Medical Robotics

Bao Zhang, Dwayne D Arola, Steve Roys, Rao P. Gullapalli. THREE-DIMENSIONAL ELASTIC IMAGE REGISTRATION BASED ON STRAIN ENERGY MINIMIZATION: APPLICATION TO PROSTATE MAGNETIC RESONANCE IMAGING Journal of Digital Imaging 2010 In Press

Bo Yang Steven Roys U-Xuan Tan Mathew Philip Howard Richard Rao Gullapalli Jaydev P Desai . Design, Development, and Evaluation of a Master-Slave Surgical System for Breast Biopsy under Continuous MRI. The International Journal of Robotics Research 2014 33(4):616-630

Yang B, Roys S, Tan UX, Philip M, Richard H, Gullapalli R, Desai JP. Design, Development, and Evaluation of a Master-Slave Surgical System for Breast Biopsy under Continuous MRI. Int J Rob Res 2014 33(4):616-630

Sours C, Alon G, Roys S, Gullapalli RP. Modulation of resting state functional connectivity of the motor network by transcranial pulsed current stimulation. Brain Connect 2014 4(3):157-65

Sours C, Rosenberg J, Kane R, Roys S, Zhuo J, Shanmuganathan K, Gullapalli RP. Associations between interhemispheric functional connectivity and the Automated Neuropsychological Assessment Metrics (ANAM) in civilian mild TBI. Brain Imaging Behav 2014 :

George EO, Roys S, Sours C, Rosenberg J, Zhuo J, Shanmuganathan K, Gullapalli RP. Longitudinal and prognostic evaluation of mild traumatic brain injury: A 1H-magnetic resonance spectroscopy study. J Neurotrauma 2014 31(11):1018-28

Shi D, Xu S, Waddell J, Scafidi S, Roys S, Gullapalli RP, McKenna MC. Longitudinal in vivo developmental changes of metabolites in the hippocampus of Fmr1 knockout mice. J Neurochem 2012 123(6):971-81

Xu S, Zhuo J, Racz J, Shi D, Roys S, Fiskum G, Gullapalli R. Early microstructural and metabolic changes following controlled cortical impact injury in rat: a magnetic resonance imaging and spectroscopy study. J Neurotrauma 2011 28(10):2091-102

Sours C, Chen H, Roys S, Zhuo J, Varshney A, Gullapalli RP. Investigation of Multiple Frequency Ranges Using Discrete Wavelet Decomposition of Resting-State Functional Connectivity in Mild Traumatic Brain Injury Patients. Brain Connect 2015 :

Sours C, George EO, Zhuo J, Roys S, Gullapalli RP. Hyper-connectivity of the thalamus during early stages following mild traumatic brain injury. Brain Imaging Behav 2015 :

Sours C, Zhuo J, Roys S, Shanmuganathan K, Gullapalli RP. Disruptions in Resting State Functional Connectivity and Cerebral Blood Flow in Mild Traumatic Brain Injury Patients PLOS ONE 2015

Sours C, Raghavan P, Medina AE, Roys S, Jiang L, Zhuo J, Gullapalli RP.. Structural and Functional Integrity of the Intraparietal Sulcus in Moderate and Severe Traumatic Brain Injury. J Neurotrauma 2017 Feb 27. doi: 10.1089/neu.2016.4570.