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Won Hyuk Jang

Sungkyunkwan University · 医学

研究室紹介

Professor Won Hyuk Jang's research lab specializes in neurorehabilitation and stroke recovery, focusing on innovative therapeutic interventions to improve motor function and quality of life after neurological injury. The lab investigates robot-assisted gait training, neuromodulation techniques such as repetitive transcranial magnetic stimulation (rTMS), and pharmacological agents like Cerebrolysin in combination with structured rehabilitation. A key emphasis is placed on long-term outcomes, including return to work and caregiver well-being, as demonstrated in large-scale cohort studies such as KOSCO. The lab integrates clinical trials with neurophysiological and functional assessments to advance evidence-based rehabilitation strategies.

stroke rehabilitationrobot-assisted therapyneuromodulationfunctional recoverylong-term outcomes

Research Overview

Papers
251
Total Citations
6,174
Papers (5y)
63
Primary Field
医学

Research Output Trend

Figures are computed from collected data and may differ slightly.

Publications per year (5y)
63total
2022
2023
2024
2025
2026
Citations per year (5y)
504total
20222023202420252026

Selected Papers

15
1
Review|491 citations·2013
Robot-assisted Therapy in Stroke Rehabilitation
Won Hyuk Chang, Yun‐Hee Kim
SJR Q1Journal of StrokeOA

Research into rehabilitation robotics has grown rapidly and the number of therapeutic rehabilitation robots has expanded dramatically during the last two decades. Robotic rehabilitation therapy can deliver high-dosage and high-intensity training, making it useful for patients with motor disorders caused by stroke or spinal cord disease. Robotic devices used for motor rehabilitation include end-effector and exoskeleton types; herein, we review the clinical use of both types. One application of ro

RehabilitationMedicine
2
Article|162 citations·2011
Effects of Robot-Assisted Gait Training on Cardiopulmonary Fitness in Subacute Stroke Patients
Won Hyuk Chang, Min Su Kim, Jung Phil Huh, Peter K.W. Lee, Yun‐Hee Kim
SJR Q1Neurorehabilitation and neural repair

BACKGROUND: . Robot-assisted gait training has the potential to improve cardiopulmonary fitness after stroke, even for patients who are in the early stages of recovery and not independent ambulators. The authors compared the effects of robot-assisted gait training and conventional physical therapy on cardiopulmonary fitness. METHODS: . A prospective single-blinded, randomized controlled study of 37 patients receiving inpatient rehabilitation was performed within 1 month after stroke onset. The r

RehabilitationMedicine
3
Article|115 citations·2016
Optimal number of pulses as outcome measures of neuronavigated transcranial magnetic stimulation
Won Hyuk Chang, Peter J. Fried, Sadhvi Saxena, Ali Jannati, Joyce Gomes‐Osman, Yun‐Hee Kim, Álvaro Pascual‐Leone
SJR Q1Clinical Neurophysiology
NeurologyNeuroscience
4
Article|77 citations·2014
BDNF Polymorphism and Differential rTMS Effects on Motor Recovery of Stroke Patients
Won Hyuk Chang, Oh Young Bang, Yong‐Il Shin, Ahee Lee, Álvaro Pascual‐Leone, Yun‐Hee Kim
SJR Q1Brain stimulationOA
Cellular and Molecular NeuroscienceNeuroscience
5
Article|77 citations·2016
Cerebrolysin combined with rehabilitation promotes motor recovery in patients with severe motor impairment after stroke
Won Hyuk Chang, Chang-Hyun Park, Deog Young Kim, Yong‐Il Shin, Myoung-Hwan Ko, Ahee Lee, Shin Yi Jang, Yun‐Hee Kim
SJR Q2BMC NeurologyOA

BACKGROUND: Cerebrolysin is a neuropeptide preparation with neuroprotective and neurorestorative effects. Combining Cerebrolysin treatment with a standardized rehabilitation program may have a potential synergistic effect in the subacute stage of stroke. This study aims to evaluate whether Cerebrolysin provides additional motor recovery on top of rehabilitation therapy in the subacute stroke patients with moderate to severe motor impairment. METHODS: This phase IV trial was designed as a prospec

NeurologyNeuroscience
6
Article|73 citations·2012
rTMS with motor training modulates cortico-basal ganglia-thalamocortical circuits in stroke patients
Won Hyuk Chang, Yun‐Hee Kim, Woo‐Kyoung Yoo, Kyoung-Hyup Goo, Chang-Hyun Park, Sung Tae Kim, Álvaro Pascual‐Leone
SJR Q3Restorative Neurology and NeuroscienceOA

BACKGROUND AND PURPOSE: Repetitive transcranial magnetic stimulation (rTMS) may enhance plastic changes in the human cortex and modulation of behavior. However, the underlying neural mechanisms have not been sufficiently investigated. We examined the clinical effects and neural correlates of high-frequency rTMS coupled with motor training in patients with hemiparesis after stroke. METHODS: Twenty-one patients were randomly divided into two groups, and received either real or sham rTMS. Ten daily

NeurologyNeuroscience
7
Article|67 citations·2016
Predictors of functional level and quality of life at 6 months after a first-ever stroke: the KOSCO study
Won Hyuk Chang, Min Kyun Sohn, Jongmin Lee, Deog Young Kim, Sam‐Gyu Lee, Yong‐Il Shin, Gyung‐Jae Oh, Yang‐Soo Lee, Min Cheol Joo, Eun Young Han, Chung Jan Kang, Yun‐Hee Kim
SJR Q1Journal of NeurologyOA
RehabilitationMedicine
8
Article|64 citations·2017
Effect of Dual-Mode and Dual-Site Noninvasive Brain Stimulation on Freezing of Gait in Patients With Parkinson Disease
Won Hyuk Chang, Min Soo Kim, Eunhee Park, Jin Whan Cho, Jinyoung Youn, Yun Kwan Kim, Yun‐Hee Kim, Yun-Hee Kim, Yun-Hee Kim
SJR Q1Archives of Physical Medicine and Rehabilitation
NeurologyNeuroscience
9
Article|55 citations·2015
Korean Stroke Cohort for functioning and rehabilitation (KOSCO): study rationale and protocol of a multi-centre prospective cohort study
Won Hyuk Chang, Min Kyun Sohn, Jongmin Lee, Deog Young Kim, Sam‐Gyu Lee, Yong‐Il Shin, Gyung‐Jae Oh, Yang‐Soo Lee, Min Cheol Joo, Eun Young Han, Yun‐Hee Kim
SJR Q2BMC NeurologyOA

BACKGROUND: Development of a long-term stroke care plan requires serial assessment of long-term patient function and consideration of caregiver mood. However, to date, few comprehensive cohort studies have included both stroke patients and caregivers. METHODS/DESIGN: KOSCO is a large, multi-centre prospective cohort study for all acute first-ever stroke patients admitted to participating hospitals in nine distinct areas of Korea. This study is designed as a 10-year, longitudinal follow-up invest

RehabilitationMedicine
10
Article|51 citations·2016
Return to work after stroke: The KOSCO Study
Won Hyuk Chang, Min Kyun Sohn, Jongmin Lee, Deog Young Kim, Sam‐Gyu Lee, Yong‐Il Shin, Gyung‐Jae Oh, Yang‐Soo Lee, Min Cheol Joo, Eun Young Han, Jeong‐Hyun Kim, Yun‐Hee Kim
SJR Q1Journal of Rehabilitation MedicineOA

Many stroke patients did not return to work despite functional independence at 6 months after stroke. Based on the results of this study, we suggest providing appropriate vocational rehabilitation for stroke patients and proper education for employers to increase the rate of early return to work in stroke patients.

RehabilitationMedicine
11
Article|43 citations·2014
Different responses to facilitatory rTMS according to BDNF genotype
Jung Min Hwang, Yun‐Hee Kim, Kyung Jae Yoon, Kyeong Eun Uhm, Won Hyuk Chang
SJR Q1Clinical Neurophysiology
NeurologyNeuroscience
12
Article|34 citations·2011
Neural correlates of donepezil-induced cognitive improvement in patients with right hemisphere stroke: A pilot study
Won Hyuk Chang, Yun H. Park, Suk Hoon Ohn, Chang-Hyun Park, Peter K.W. Lee, Yun‐Hee Kim
SJR Q1Neuropsychological Rehabilitation

Donepezil has been proven effective in the treatment of Alzheimer's disease and vascular dementia. However, its effects on the cognitive neural network have not been fully investigated. The purpose of this study was to evaluate the effect of donepezil on reorganisation of the cognitive neural network in patients with post-stroke cognitive impairment using functional MRI (fMRI). Fourteen patients with stroke in the right hemisphere were enrolled. Participants were randomly assigned to the experim

Cognitive NeuroscienceNeuroscience
13
Article|31 citations·2016
Factors influencing the response to high-frequency repetitive transcranial magnetic stimulation in patients with subacute stroke
Won Hyuk Chang, Kyeong Eun Uhm, Yong‐Il Shin, Álvaro Pascual‐Leone, Yun‐Hee Kim
SJR Q3Restorative Neurology and Neuroscience

Our findings suggest that high-frequency rTMS interventions aimed at improving upper extremity motor function in patients with subacute stroke with moderate to severe motor involvement should be individually tailored according to functional CST status and BDNF genotype.

NeurologyNeuroscience
14
Article|30 citations·2016
Effect of cumulative repetitive transcranial magnetic stimulation on freezing of gait in patients with atypical Parkinsonism: A pilot study
Won Hyuk Chang, Minhee Kim, Jang‐Cheon Cho, Jiun Youn, Y Kim, Sungshin Kim, Aaron Lee, Y Kim
SJR Q1Journal of Rehabilitation MedicineOA

Cumulative HF-rTMS over the M1-LL might be effective for improving freezing of gait in patients with atypical Parkinsonism. Further investigation with a large number of participants is needed to clarify the effects of HF- rTMS on freezing of gait in atypical Parkinsonism.

NeurologyNeuroscience
15
Article|29 citations·2015
BDNF genotype influence the efficacy of rTMS in stroke patients
Kyeong Eun Uhm, Yun‐Hee Kim, Kyung Jae Yoon, Jung Min Hwang, Won Hyuk Chang
SJR Q2Neuroscience Letters
NeurologyNeuroscience

Research Areas

NeurologyRehabilitationCognitive NeuroscienceBiomedical EngineeringSpeech and HearingEpidemiology

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