User profiles for Kwang Su Cha

Kwang Su Cha

Emocog Inc. / Happymind Inc.
Verified email at emocog.com
Cited by 515

[HTML][HTML] Accuracy of 11 wearable, nearable, and airable consumer sleep trackers: prospective multicenter validation study

T Lee, Y Cho, KS Cha, J Jung, J Cho… - JMIR mHealth and …, 2023 - mhealth.jmir.org
Background: Consumer sleep trackers (CSTs) have gained significant popularity because
they enable individuals to conveniently monitor and analyze their sleep. However, limited …

Altered resting-state thalamo-occipital functional connectivity is associated with cognition in isolated rapid eye movement sleep behavior disorder

JI Byun, HW Kim, H Kang, KS Cha, JS Sunwoo… - Sleep medicine, 2020 - Elsevier
Objective Isolated rapid eye movement sleep behavior disorder (iRBD) patients are at risk of
cognitive impairments, however the underlying mechanism is still unclear. This study aimed …

Altered functional connectivity in idiopathic rapid eye movement sleep behavior disorder: a resting-state EEG study

…, JH Kim, JA Lim, TJ Kim, JI Byun, MH Jeong, KS Cha… - Sleep, 2017 - academic.oup.com
Study Objectives: Idiopathic rapid eye movement sleep behavior disorder (iRBD) is considered
as a prodromal stage of synucleinopathy. Although loss of functional connectivity is …

Abnormal activation of motor cortical network during phasic REM sleep in idiopathic REM sleep behavior disorder

JS Sunwoo, KS Cha, JI Byun, TJ Kim, JS Jun, JA Lim… - Sleep, 2019 - academic.oup.com
Study Objectives We investigated electroencephalography (EEG) power spectral density
and functional connectivity during phasic and tonic rapid eye movement (REM) sleep, and …

Association of nucleus basalis of Meynert functional connectivity and cognition in idiopathic rapid-eye-movement sleep behavior disorder

JI Byun, KS Cha, M Kim, WJ Lee… - Journal of Clinical …, 2022 - pmc.ncbi.nlm.nih.gov
Background and Purpose Cognitive impairments are common in isolated rapid-eye-movement
sleep behavior disorder (iRBD), in which the cholinergic system may play an important …

Nonrapid eye movement sleep electroencephalographic oscillations in idiopathic rapid eye movement sleep behavior disorder: a study of sleep spindles and slow …

JS Sunwoo, KS Cha, JI Byun, JS Jun, TJ Kim, JW Shin… - Sleep, 2021 - academic.oup.com
Study Objectives We investigated electroencephalographic (EEG) slow oscillations (SOs),
sleep spindles (SSs), and their temporal coordination during nonrapid eye movement (NREM) …

Effects of perampanel on cognition and quantitative electroencephalography in patients with epilepsy

SJ Ahn, TJ Kim, KS Cha, JS Jun, JI Byun, YW Shin… - Epilepsy & Behavior, 2021 - Elsevier
Antiepileptic drugs are well known for their effects on cognition and electrophysiologic
changes. However, perampanel is yet to be evaluated for its effects on cognitive function and …

Comparative efficacy of prolonged-release melatonin versus clonazepam for isolated rapid eye movement sleep behavior disorder

…, YA Seong, SM Yoon, KJ Hwang, YJ Jung, KS Cha… - Sleep and …, 2023 - Springer
Purpose Clonazepam and melatonin are recommended as first-line treatments for isolated
rapid eye movement (REM) sleep behavior disorder (iRBD). This study aimed to compare …

Altered insular functional connectivity in isolated REM sleep behavior disorder: A data-driven functional MRI study

JI Byun, KS Cha, M Kim, WJ Lee, HS Lee, JS Sunwoo… - Sleep Medicine, 2021 - Elsevier
Objective Functional connectivity (FC) changes can occur prior to structural changes. This
study aimed to evaluate data-driven whole-brain FC associated with isolated rapid eye …

Dynamic changes in nocturnal blood glucose levels are associated with sleep-related features in patients with obstructive sleep apnea

JI Byun, KS Cha, JE Jun, TJ Kim, KY Jung, IK Jeong… - Scientific Reports, 2020 - nature.com
Obstructive sleep apnea (OSA) has a bidirectional relationship with insulin resistance
conditions; however, the mechanism remains unclear. This study aimed to compare dynamic …