Research Experience
[Ongoing Research]
Computational Neuro-Rehabilitation Laboratory, University of Southern California, USA Jun 2015 - Present
Research Assistant, Advisor: Prof. Nicolas Schweighofer
A computational lesion mapping of motor learning
- Designing different tasks with different aims using ARMEOSPRING
- Analyzing experimental data
- Developing simulation GUI using UNITY
Dissociating the role of sensory prediction error from performance errors in strategy-based motor adaptation
- Designing target reaching task using MATLAB Cogent
- Analyzing experimental data
[Past Research Experience]
Biomedical Imaging Group, University of Southern California, USA Aug 2014 - May 2015
Research Assistant, Advisor: Prof. Richard M. Leahy
Correlation analysis between sEEG and fMRI data
- Analyzed sEEG data using Brainstorm
- Analyzed fMRI data using Brainsuite and FSL
Brain-Body Dynamics Laboratory, University of Southern California, USA Sep 2013 - May 2014
Research Assistant, Advisor: Prof. Francisco Valero-Cuevas
Neuromorphic biomechanic system for emulating human hand movement
- Overall setting for four-tendon-finger model
- Performed experiments to solve perturbation issue
Independent Research Jan 2013 - Dec 2013
Independent Researcher, Advisor: Prof. YongHyuk Kim, Kwangwoon University, Korea
Favorability Measurement between People using Human EEG and Mind-wave Mobile
- Analyzed human EEG data and modeled relationship between individual brain waves and human emotion
- Coordinated experiments and data collection
- Performed parameter estimation and optimization of EEG data for a web application
Department of Biomedical Engineering, University of Southern California, USA May 2013 - Oct 2013
Research Assistant, Advisor: Prof. Stanley M. Yamashiro
Optimal Cardiac Ejection in Time and Frequency Domain
- Prototyped a simplified method of solving ODE of Windkessel model
- Performed time and frequency domain optimization of Windkessel models
by solving ODE and estimating parameters using MATLAB
Sanger Lab, University of Southern California, USA Mar 2013 - May 2013
Back-end Engineer, Advisor: Prof. Terence Sanger, Dr. Minos Niu
A Web-based FPGA Design Tool in Clojure
- Developed back-end of web-based FPGA design tool in Clojure
- Established UDP communication among CouchDB, web server, and Clojure Engine
- Link: https://github.com/KangWooLee/cljver
Sanger Lab, University of Southern California, USA Dec 2012 - Sep 2013
Research Assistant, Advisor: Prof. Terence D. Sanger, Dr. Minos Niu
Real-time Neuromuscular Control of English Vowels
- Upgraded KTH speech synthesizer in Active TclScript and Bayesian Filter in C++
- Established UDP communication among KTH synthesizer, Biometrics, and Clojure engine
- Illustrated two dimensional vowel mapping to implement two-channel EMG signals
- Developed a Clojure GUI for recognition rate acquisition
- Designed and supervised overall experimental procedure of EMG data collection
- Link: https://github.com/KangWooLee/keewii
https://github.com/KangWooLee/keewii-visual
https://github.com/KangWooLee/keewii-tester
Real-time Syllable Emulation Controlled by Skeletal Muscles
- Developed speech synthesis with formant method using Clojure
- Performed real-time syllable emulation with a smart phone application and Clojure interaction
Video Clip: EMG controlled KTH synthesizer
Poster: See attached the file below, Niu_NCM2013_EmgSpeech.pdf
Center for Neural Engineering, University of Southern California, USA Sep 2012 - Sep 2013
Research Assistant, Research Advisor: Prof. Theodore W. Berger, Prof. Dong Song
Functional Connectivity between CA1 and CA3 Neurons in the
Hippocampus of Nonhuman Primates during a Delayed Match-to-Sample Task
- Analyzed hippocampal and prefrontal data of rats and NHPs using Neuroexplorer and MATLAB
- Developed MATLAB GUI for neuronal data perievent analysis
Nonlinear Modeling of Hippocampal Prostheses
-Analyzed hippocampal perievent data of NHPs using MATLAB
- Developed and supervised overall automated process to model nonlinear system for hippocampal prostheses using MATLAB
Related paper: Nonlinear modeling of neural population dynamics for hippocampal prostheses
Poster: See attached the file below, post_2013.xps, 2013_Grodins_poster_draft.pdf
Nano-Neuro-Photonics Laboratory, Advanced Institute of Convergence Technology, Seoul, Korea Jan 2012 - Jun 2012
Research Assistant, Internship, Research Advisor: Prof. YounKyu Song
Whole-cell Patch Clamp on Uterine Cell Body
- Conducted overall whole-cell patch clamp setting and experiments
- Supervised and executed micropipette fabrication for patch clamp
Surface Treatment on Graphene with Poly-L-Lysine
- Organized surface treatment on graphene for In Vitro culture
Image Communication & Signal Processing Laboratory, Hanyang University, Seoul, Korea Mar 2011 - Jun 2011
Image and Video Compression using Discrete Cosine Transform
Undergraduate Research Assistant, Research Advisor: Prof. Jechang Jeong
- Assisted in developing image and video compression technique
Language & Intelligence Research Group, Dublin City University, Dublin, Ireland Sep 2008 - Jan 2009
Informal Intern, Internship, Advisor: Prof. John McKenna
Speech Synthesis with Concatenative Method in PERL
- Wrote PERL and MATLAB scripts to automate speech synthesis