Research & Publications

At WELT, we focus on developing digital products—with therapeutic efficacy, validated in randomized controlled trials, and approved/cleared by regulatory bodies—in each pillar to target serious indications with high unmet medical needs.

Below are selected publications from our clinical team members
and advisors that form the basis of our products.

Insomnia (WELT-I)

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Cognitive Behavioral Treatment as a Digital Therapeutic for Insomnia
Eun Lee
Korean Academy of Sleep Medicine (2020)

Prediction of Good Sleep with Physical Activity and Light Exposure: Preliminary Study
Park KM, Lee SE, Lee C, et al
Journal of Clinical Sleep Medicine (2022)
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Changes In Resting-state Brain Connectivity Following Computerized Cognitive Behavioral Therapy For Insomnia In Dialysis Patients: A Pilot Study
Park HY, Lee H, Jhee JH, et al
General Hospital Psychiatry (2020)

Alcohol Use Disorder (WELT-A)

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Diminished Cognitive Control in Internet Gaming Disorder: A Multimodal Approach with Magnetic Resonance Imaging and Real-time Heart Rate Variability
Lee D, Park J, Namkoong K, Hong SJ, Kim IY, Jung YC
Progress in Neuro-Psychopharmacology and Biological Psychiatry
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Altered Thalamic Gray Matter Volume in Firefighters with Heavy Alcohol Use
Deokjong Lee, Woojin Kim, Jung Eun Lee, Jung han Lee, Yun Tae Kim, Seung Koo Lee, Sung Soo Oh, Ki Soo Park, Sang Baek Koh, Changsoo Kim, Young-Chul Jung
Drug and Alcohol Dependence

Eating Disorder (WELT-ED)

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Impaired Prefrontal Cognitive Control over Interference by Food Images in Binge-eating Disorder and Bulimia Nervosa
Lee, J.E., Namkoong, K. and Jung, Y.C.
Neuroscience Letters
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Resting-state Synchrony Between Anterior Cingulate Cortex and Precuneus Relates to Body Shape Concern in Anorexia Nervosa and Bulimia Nervosa
Lee S, Ran Kim K, Ku J, Lee JH, Namkoong K, Jung YC
Psychiatry Research: Neuroimaging

Sarcopenia (AGAIN)

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Change in Waist Circumference With Continuous Use of a Smart Belt: An Observational Study
Lee M, Shin J
JMIR Mhealth Uhealth
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Accuracy and Diversity of Wearable Device-Based Gait Speed Measurement Among Older Men: Observational Study
Kang MG, Kang SJ, Roh HK, Jung HW
Journal of Medical Internet Research

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Association Between Gait Speed Measured
Using a Wearable Device and Sarcopenia

Kang MG, Kim K, Kang JK, Kang SJ, Roh HK, Jung HW
Innovation in Aging