Development of an SSVEP-based BCI spelling system adopting a QWERTY-style LED keyboard HJ Hwang, JH Lim, YJ Jung, H Choi, SW Lee, CH Im Journal of neuroscience methods 208 (1), 59-65, 2012 | 340 | 2012 |
Neurofeedback-based motor imagery training for brain–computer interface (BCI) HJ Hwang, K Kwon, CH Im Journal of neuroscience methods 179 (1), 150-156, 2009 | 338 | 2009 |
EEG-based brain-computer interfaces: a thorough literature survey HJ Hwang, S Kim, S Choi, CH Im International Journal of Human-Computer Interaction 29 (12), 814-826, 2013 | 304 | 2013 |
Multimodal function optimization based on particle swarm optimization JH Seo, CH Im, CG Heo, JK Kim, HK Jung, CG Lee IEEE transactions on magnetics 42 (4), 1095-1098, 2006 | 257 | 2006 |
Inconsistent outcomes of transcranial direct current stimulation may originate from anatomical differences among individuals: electric field simulation using individual MRI data JH Kim, DW Kim, WH Chang, YH Kim, K Kim, CH Im Neuroscience letters 564, 6-10, 2014 | 223 | 2014 |
Classification of selective attention to auditory stimuli: toward vision-free brain–computer interfacing DW Kim, HJ Hwang, JH Lim, YH Lee, KY Jung, CH Im Journal of neuroscience methods 197 (1), 180-185, 2011 | 186* | 2011 |
Machine-learning-based diagnosis of schizophrenia using combined sensor-level and source-level EEG features M Shim, HJ Hwang, DW Kim, SH Lee, CH Im Schizophrenia research 176 (2-3), 314-319, 2016 | 174 | 2016 |
Hybrid genetic algorithm for electromagnetic topology optimization CH Im, HK Jung, YJ Kim IEEE Transactions on Magnetics 39 (5), 2163-2169, 2003 | 160 | 2003 |
fNIRS evidence for recognizably different positive emotions X Hu, C Zhuang, F Wang, YJ Liu, CH Im, D Zhang Frontiers in human neuroscience 13, 120, 2019 | 119 | 2019 |
Evaluation of local electric fields generated by transcranial direct current stimulation with an extracephalic reference electrode based on realistic 3D body modeling CH Im, JH Park, M Shim, WH Chang, YH Kim Physics in Medicine & Biology 57 (8), 2137, 2012 | 117 | 2012 |
Magnetic field analysis of 2-D permanent magnet array for planar motor HS Cho, CH Im, HK Jung IEEE Transactions on Magnetics 37 (5), 3762-3766, 2001 | 117 | 2001 |
Changes in network connectivity during motor imagery and execution YK Kim, E Park, A Lee, CH Im, YH Kim PloS one 13 (1), e0190715, 2018 | 106 | 2018 |
Evaluation of various mental task combinations for near-infrared spectroscopy-based brain-computer interfaces HJ Hwang, JH Lim, DW Kim, CH Im Journal of biomedical optics 19 (7), 077005-077005, 2014 | 103 | 2014 |
COMETS: A MATLAB toolbox for simulating local electric fields generated by transcranial direct current stimulation (tDCS) YJ Jung, JH Kim, CH Im Biomedical engineering letters 3, 39-46, 2013 | 103 | 2013 |
A new dual-frequency stimulation method to increase the number of visual stimuli for multi-class SSVEP-based brain–computer interface (BCI) HJ Hwang, DH Kim, CH Han, CH Im Brain research 1515, 66-77, 2013 | 102 | 2013 |
A ternary hybrid EEG-NIRS brain-computer interface for the classification of brain activation patterns during mental arithmetic, motor imagery, and idle state J Shin, J Kwon, CH Im Frontiers in neuroinformatics 12, 5, 2018 | 100 | 2018 |
Determination of optimal electrode positions for transcranial direct current stimulation (tDCS) CH Im, HH Jung, JD Choi, SY Lee, KY Jung Physics in Medicine & Biology 53 (11), N219, 2008 | 96 | 2008 |
Real-time “eye-writing” recognition using electrooculogram KR Lee, WD Chang, S Kim, CH Im IEEE Transactions on Neural Systems and Rehabilitation Engineering 25 (1), 37-48, 2016 | 92 | 2016 |
Detection of eye blink artifacts from single prefrontal channel electroencephalogram WD Chang, HS Cha, K Kim, CH Im Computer methods and programs in biomedicine 124, 19-30, 2016 | 92 | 2016 |
Decreased EEG synchronization and its correlation with symptom severity in Alzheimer's disease YM Park, HJ Che, CH Im, HT Jung, SM Bae, SH Lee Neuroscience research 62 (2), 112-117, 2008 | 90 | 2008 |
Theta oscillation related to the auditory discrimination process in mismatch negativity: oddball versus control paradigm D Ko, S Kwon, GT Lee, CH Im, KH Kim, KY Jung Journal of clinical neurology (Seoul, Korea) 8 (1), 35, 2012 | 89 | 2012 |
Development of an Online Home Appliance Control System Using Augmented Reality and an SSVEP-Based Brain–Computer Interface S Park, HS Cha, CH Im IEEE Access 7, 163604-163614, 2019 | 88 | 2019 |
Disruptions in small-world cortical functional connectivity network during an auditory oddball paradigm task in patients with schizophrenia M Shim, DW Kim, SH Lee, CH Im Schizophrenia research 156 (2-3), 197-203, 2014 | 84 | 2014 |
COMETS2: an advanced MATLAB toolbox for the numerical analysis of electric fields generated by transcranial direct current stimulation C Lee, YJ Jung, SJ Lee, CH Im Journal of neuroscience methods 277, 56-62, 2017 | 81 | 2017 |
Electroencephalography-based endogenous brain–computer interface for online communication with a completely locked-in patient CH Han, YW Kim, DY Kim, SH Kim, Z Nenadic, CH Im Journal of neuroengineering and rehabilitation 16, 1-13, 2019 | 77* | 2019 |
Classification of binary intentions for individuals with impaired oculomotor function:‘eyes-closed’SSVEP-based brain–computer interface (BCI) JH Lim, HJ Hwang, CH Han, KY Jung, CH Im Journal of neural engineering 10 (2), 026021, 2013 | 75* | 2013 |
The influence of an educational course on language expression and treatment of gaming addiction for massive multiplayer online role-playing game (MMORPG) players PW Kim, SY Kim, M Shim, CH Im, YM Shon Computers & Education 63, 208-217, 2013 | 71 | 2013 |
An improved particle swarm optimization algorithm mimicking territorial dispute between groups for multimodal function optimization problems JH Seo, CH Im, SY Kwak, CG Lee, HK Jung IEEE Transactions on Magnetics 44 (6), 1046-1049, 2008 | 71 | 2008 |
Spatial resolution of EEG cortical source imaging revealed by localization of retinotopic organization in human primary visual cortex CH Im, A Gururajan, N Zhang, W Chen, B He Journal of neuroscience methods 161 (1), 142-154, 2007 | 71 | 2007 |
Altered cortical functional network in major depressive disorder: A resting-state electroencephalogram study M Shim, CH Im, YW Kim, SH Lee NeuroImage: Clinical 19, 1000-1007, 2018 | 68 | 2018 |
Development of a hybrid mental spelling system combining SSVEP-based brain–computer interface and webcam-based eye tracking JH Lim, JH Lee, HJ Hwang, DH Kim, CH Im Biomedical Signal Processing and Control 21, 99-104, 2015 | 67 | 2015 |
A novel algorithm for multimodal function optimization based on evolution strategy CH Im, HK Kim, HK Jung, K Choi IEEE transactions on magnetics 40 (2), 1224-1227, 2004 | 64 | 2004 |
Brain networks responsible for sense of agency: an EEG study SY Kang, CH Im, M Shim, FB Nahab, J Park, DW Kim, J Kakareka, ... PloS one 10 (8), e0135261, 2015 | 62 | 2015 |
Performance enhancement of a brain-computer interface using high-density multi-distance NIRS J Shin, J Kwon, J Choi, CH Im Scientific reports 7 (1), 1-10, 2017 | 61 | 2017 |
Clinical implications of quantitative electroencephalography and current source density in patients with Alzheimer’s disease JS Kim, SH Lee, G Park, S Kim, SM Bae, DW Kim, CH Im Brain Topography 25, 461-474, 2012 | 61 | 2012 |
Reduced source activity of event-related potentials for affective facial pictures in schizophrenia patients HT Jung, DW Kim, S Kim, CH Im, SH Lee Schizophrenia research 136 (1-3), 150-159, 2012 | 60 | 2012 |
Toward more intuitive brain–computer interfacing: classification of binary covert intentions using functional near-infrared spectroscopy HJ Hwang, H Choi, JY Kim, WD Chang, DW Kim, K Kim, S Jo, CH Im Journal of biomedical optics 21 (9), 091303-091303, 2016 | 59 | 2016 |
Individually customized transcranial temporal interference stimulation for focused modulation of deep brain structures: a simulation study with different head models S Lee, C Lee, J Park, CH Im Scientific reports 10 (1), 11730, 2020 | 57 | 2020 |
The loudness dependence of the auditory evoked potential (LDAEP) as a predictor of the response to escitalopram in patients with generalized anxiety disorder YM Park, DW Kim, S Kim, CH Im, SH Lee Psychopharmacology 213, 625-632, 2011 | 55 | 2011 |
Global synchronization index as a biological correlate of cognitive decline in Alzheimer's disease SH Lee, YM Park, DW Kim, CH Im Neuroscience research 66 (4), 333-339, 2010 | 55 | 2010 |
Evaluation of feature extraction methods for EEG-based brain–computer interfaces in terms of robustness to slight changes in electrode locations SA Park, HJ Hwang, JH Lim, JH Choi, HK Jung, CH Im Medical & biological engineering & computing 51, 571-579, 2013 | 54 | 2013 |
A novel array-type transcranial direct current stimulation (tDCS) system for accurate focusing on targeted brain areas JH Park, SB Hong, DW Kim, M Suh, CH Im IEEE Transactions on Magnetics 47 (5), 882-885, 2011 | 51 | 2011 |
Hemodynamic responses in rat brain during transcranial direct current stimulation: a functional near-infrared spectroscopy study CH Han, H Song, YG Kang, BM Kim, CH Im Biomedical optics express 5 (6), 1812-1821, 2014 | 47 | 2014 |
Localization and propagation analysis of ictal source rhythm by electrocorticography JS Kim, CH Im, YJ Jung, EY Kim, SK Lee, CK Chung NeuroImage 52 (4), 1279-1288, 2010 | 45 | 2010 |
Dysfunctional gamma-band activity during face structural processing in schizophrenia patients SH Lee, DW Kim, EY Kim, S Kim, CH Im Schizophrenia research 119 (1-3), 191-197, 2010 | 45 | 2010 |
An unsupervised eye blink artifact detection method for real-time electroencephalogram processing WD Chang, JH Lim, CH Im Physiological measurement 37 (3), 401, 2016 | 44 | 2016 |
Electrophysiologic disturbances during daytime in patients with restless legs syndrome: further evidence of cognitive dysfunction? KY Jung, YS Koo, BJ Kim, D Ko, GT Lee, KH Kim, CH Im Sleep Medicine 12 (4), 416-421, 2011 | 44 | 2011 |
Machine-learning-based classification between post-traumatic stress disorder and major depressive disorder using P300 features M Shim, MJ Jin, CH Im, SH Lee NeuroImage: Clinical 24, 102001, 2019 | 43 | 2019 |
An electrofusion chip with a cell delivery system driven by surface tension J Ju, JM Ko, HC Cha, JY Park, CH Im, SH Lee Journal of Micromechanics and Microengineering 19 (1), 015004, 2008 | 42 | 2008 |
Toward a compact hybrid brain-computer interface (BCI): Performance evaluation of multi-class hybrid EEG-fNIRS BCIs with limited number of channels J Kwon, J Shin, CH Im PloS one 15 (3), e0230491, 2020 | 41 | 2020 |
Development of an electrooculogram-based eye-computer interface for communication of individuals with amyotrophic lateral sclerosis WD Chang, HS Cha, DY Kim, SH Kim, CH Im Journal of neuroengineering and rehabilitation 14, 1-13, 2017 | 41 | 2017 |
Source activation of P300 correlates with negative symptom severity in patients with schizophrenia DW Kim, M Shim, JI Kim, CH Im, SH Lee Brain topography 27, 307-317, 2014 | 41 | 2014 |
A novel EEG-based brain mapping to determine cortical activation patterns in normal children and children with cerebral palsy during motor imagery tasks YK Shin, DR Lee, HJ Hwang, SJH You, CH Im NeuroRehabilitation 31 (4), 349-355, 2012 | 41 | 2012 |
Evaluation of algorithms for intracranial EEG (iEEG) source imaging of extended sources: feasibility of using iEEG source imaging for localizing epileptogenic zones in … JH Cho, SB Hong, YJ Jung, HC Kang, HD Kim, M Suh, KY Jung, CH Im Brain topography 24, 91-104, 2011 | 41 | 2011 |
Brain areas responsible for vigilance: an EEG source imaging study JH Kim, DW Kim, CH Im Brain topography 30, 343-351, 2017 | 40 | 2017 |
Dysfunctional frontal lobe activity during inhibitory tasks in individuals with childhood trauma: an event-related potential study S Kim, JS Kim, MJ Jin, CH Im, SH Lee Neuroimage: clinical 17, 935-942, 2018 | 39 | 2018 |
Spatiotemporospectral characteristics of scalp ictal EEG in mesial temporal lobe epilepsy with hippocampal sclerosis KY Jung, JK Kang, JH Kim, CH Im, KH Kim, HK Jung Brain research 1287, 206-219, 2009 | 39 | 2009 |
Auditory evoked potential could reflect emotional sensitivity and impulsivity JS Kim, S Kim, W Jung, CH Im, SH Lee Scientific reports 6 (1), 37683, 2016 | 38 | 2016 |
Early visual processing deficits in patients with schizophrenia during spatial frequency-dependent facial affect processing DW Kim, M Shim, MJ Song, CH Im, SH Lee Schizophrenia Research 161 (2-3), 314-321, 2015 | 38 | 2015 |
Computational EEG analysis CH Im Springer Singap Singap 10, 978-981, 2018 | 37 | 2018 |
Source imaging of P300 auditory evoked potentials and clinical correlations in patients with posttraumatic stress disorder KY Bae, DW Kim, CH Im, SH Lee Progress in Neuro-Psychopharmacology and Biological Psychiatry 35 (8), 1908-1917, 2011 | 37 | 2011 |
Localization of ictal onset zones in Lennox-Gastaut syndrome using directional connectivity analysis of intracranial electroencephalography YJ Jung, HC Kang, KO Choi, JS Lee, DS Kim, JH Cho, SH Kim, CH Im, ... Seizure 20 (6), 449-457, 2011 | 37 | 2011 |
fMRI‐constrained MEG source imaging and consideration of fMRI invisible sources CH Im, HK Jung, N Fujimaki Human brain mapping 26 (2), 110-118, 2005 | 37 | 2005 |
Assessment criteria for MEG/EEG cortical patch tests CH Im, KO An, HK Jung, H Kwon, YH Lee Physics in Medicine & Biology 48 (15), 2561, 2003 | 37 | 2003 |
Real-time recognition of facial expressions using facial electromyograms recorded around the eyes for social virtual reality applications HS Cha, SJ Choi, CH Im IEEE Access 8, 62065-62075, 2020 | 36 | 2020 |
Correlation between inter-blink interval and episodic encoding during movie watching YS Shin, W Chang, J Park, CH Im, SI Lee, IY Kim, DP Jang PloS one 10 (11), e0141242, 2015 | 36 | 2015 |
Estimation of directional coupling between cortical areas using Near-Infrared Spectroscopy (NIRS) CH Im, YJ Jung, S Lee, D Koh, DW Kim, BM Kim Optics express 18 (6), 5730-5739, 2010 | 36 | 2010 |
Design of a 200-kJ HTS SMES system JH Kim, S Hahn, CH Im, JK Kim, HK Jung, SY Hahn IEEE transactions on applied superconductivity 12 (1), 774-777, 2002 | 36 | 2002 |
An emergency call system for patients in locked‐in state using an SSVEP‐based brain switch JH Lim, YW Kim, JH Lee, KO An, HJ Hwang, HS Cha, CH Han, CH Im Psychophysiology 54 (11), 1632-1643, 2017 | 35 | 2017 |
Disrupted cortical brain network in post-traumatic stress disorder patients: a resting-state electroencephalographic study M Shim, CH Im, SH Lee Translational psychiatry 7 (9), e1231-e1231, 2017 | 35 | 2017 |
Clinical feasibility of brain‐computer interface based on steady‐state visual evoked potential in patients with locked‐in syndrome: Case studies HJ Hwang, CH Han, JH Lim, YW Kim, SI Choi, KO An, JH Lee, HS Cha, ... Psychophysiology 54 (3), 444-451, 2017 | 35 | 2017 |
Abnormal cortical neural synchrony during working memory in schizophrenia SS Kang, AW MacDonald III, MV Chafee, CH Im, EM Bernat, ... Clinical Neurophysiology 129 (1), 210-221, 2018 | 34 | 2018 |
Positive and negative symptom scores are correlated with activation in different brain regions during facial emotion perception in schizophrenia patients: a voxel-based sLORETA … DW Kim, HS Kim, SH Lee, CH Im Schizophrenia research 151 (1-3), 165-174, 2013 | 34 | 2013 |
Performance enhancement of facial electromyogram-based facial-expression recognition for social virtual reality applications using linear discriminant analysis adaptation HS Cha, CH Im Virtual Reality 26 (1), 385-398, 2022 | 33 | 2022 |
Transcranial direct current stimulation on primary sensorimotor area has no effect in patients with drug-naive restless legs syndrome: a proof-of-concept clinical trial YS Koo, SM Kim, C Lee, BU Lee, YJ Moon, YW Cho, CH Im, JW Choi, ... Sleep medicine 16 (2), 280-287, 2015 | 33 | 2015 |
Cortical volume and 40-Hz auditory-steady-state responses in patients with schizophrenia and healthy controls S Kim, SK Jang, DW Kim, M Shim, YW Kim, CH Im, SH Lee NeuroImage: Clinical 22, 101732, 2019 | 32 | 2019 |
Source localization of periodic sharp wave complexes using independent component analysis in sporadic Creutzfeldt–Jakob disease KY Jung, DW Seo, DL Na, CS Chung, IK Lee, K Oh, CH Im, HK Jung Brain research 1143, 228-237, 2007 | 32 | 2007 |
Computer-aided performance evaluation of a multichannel transcranial magnetic stimulation system CH Im, C Lee IEEE transactions on magnetics 42 (12), 3803-3808, 2006 | 32 | 2006 |
Design of wearable EEG devices specialized for passive brain–computer interface applications S Park, CH Han, CH Im Sensors 20 (16), 4572, 2020 | 31 | 2020 |
Causal influence of epileptic network during spike-and-wave discharge in juvenile myoclonic epilepsy C Lee, SM Kim, YJ Jung, CH Im, DW Kim, KY Jung Epilepsy research 108 (2), 257-266, 2014 | 30 | 2014 |
Subject-independent functional near-infrared spectroscopy-based brain–computer interfaces based on convolutional neural networks J Kwon, CH Im Frontiers in human neuroscience 15, 646915, 2021 | 29 | 2021 |
Increased corticomuscular coherence in idiopathic REM sleep behavior disorder KY Jung, JH Cho, D Ko, HY Seok, HK Yoon, HJ Lee, L Kim, CH Im Frontiers in Neurology 3, 60, 2012 | 29 | 2012 |
Auditory brain-computer interfaces (BCIs) and their practical applications DW Kim, JC Lee, YM Park, IY Kim, CH Im Biomedical Engineering Letters 2, 13-17, 2012 | 29 | 2012 |
Functional cortical source imaging from simultaneously recorded ERP and fMRI CH Im, Z Liu, N Zhang, W Chen, B He Journal of Neuroscience Methods 157 (1), 118-123, 2006 | 29 | 2006 |
Enhanced template matching using dynamic positional warping for identification of specific patterns in electroencephalogram WD Chang, CH Im Journal of Applied Mathematics 2014, 2014 | 28 | 2014 |
An image-guided transcranial direct current stimulation system: a pilot phantom study YJ Jung, JH Kim, D Kim, CH Im Physiological measurement 34 (8), 937, 2013 | 27 | 2013 |
Detection of craving for gaming in adolescents with internet gaming disorder using multimodal biosignals H Kim, J Ha, WD Chang, W Park, L Kim, CH Im Sensors 18 (1), 102, 2018 | 26 | 2018 |
Fast and robust real-time estimation of respiratory rate from photoplethysmography H Kim, JY Kim, CH Im Sensors 16 (9), 1494, 2016 | 26 | 2016 |
Efficient technique for 3-D finite element analysis of skin effect in current-carrying conductors HK Kim, JK Jung, KY Park, CH Im, HK Jung IEEE transactions on magnetics 40 (2), 1326-1329, 2004 | 26 | 2004 |
Latent awareness: early conscious access to motor preparation processes is linked to the readiness potential E Parés-Pujolràs, YW Kim, CH Im, P Haggard Neuroimage 202, 116140, 2019 | 25 | 2019 |
Ternary near-infrared spectroscopy brain-computer interface with increased information transfer rate using prefrontal hemodynamic changes during mental arithmetic, breath … J Shin, J Kwon, J Choi, CH Im IEEE Access 6, 19491-19498, 2018 | 25 | 2018 |
Altered cortical thickness-based individualized structural covariance networks in patients with schizophrenia and bipolar disorder S Kim, YW Kim, H Jeon, CH Im, SH Lee Journal of Clinical Medicine 9 (6), 1846, 2020 | 24 | 2020 |
Altered network characteristics of spike-wave discharges in juvenile myoclonic epilepsy C Lee, CH Im, YS Koo, JA Lim, TJ Kim, JI Byun, JS Sunwoo, J Moon, ... Clinical EEG and neuroscience 48 (2), 111-117, 2017 | 24 | 2017 |
Estimating consumers' subjective preference using functional near infrared spectroscopy: A feasibility study JY Kim, KI Kim, CH Han, JH Lim, CH Im Journal of near infrared spectroscopy 24 (5), 433-441, 2016 | 24 | 2016 |
Altered cortical functional networks in patients with schizophrenia and bipolar disorder: a resting-state electroencephalographic study S Kim, YW Kim, M Shim, MJ Jin, CH Im, SH Lee Frontiers in psychiatry 11, 661, 2020 | 23 | 2020 |
Mismatch negativity and cortical thickness in patients with schizophrenia and bipolar disorder S Kim, H Jeon, KI Jang, YW Kim, CH Im, SH Lee Schizophrenia Bulletin 45 (2), 425-435, 2019 | 23 | 2019 |
EEG spectral analysis DW Kim, CH Im Computational EEG analysis: Methods and applications, 35-53, 2018 | 23 | 2018 |
Removing the interdependency between horizontal and vertical eye-movement components in electrooculograms WD Chang, HS Cha, CH Im Sensors 16 (2), 227, 2016 | 23 | 2016 |
An EEG-based real-time cortical rhythmic activity monitoring system CH Im, HJ Hwang, H Che, S Lee Physiological measurement 28 (9), 1101, 2007 | 23 | 2007 |
Comparison of visual stimuli for steady-state visual evoked potential-based brain-computer interfaces in virtual reality environment in terms of classification accuracy and … K Choi, S Park, CH Im Computational intelligence and neuroscience 2019, 2019 | 22 | 2019 |