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| ID | Type | Description | Link |
|---|---|---|---|
| RS-2022-KH126068 | Other Grant/Funding Number | Korea Health Industry Development Institute (KHIDI), Ministry of Health & Welfare, Republic of Korea |
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| Name | Class |
|---|---|
| Korea Health Industry Development Institute | OTHER_GOV |
| Ministry of Health & Welfare, Korea | OTHER_GOV |
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This study aims to evaluate the validity and effectiveness of NEMO-I (Neuro-cognitive Emotion Monitoring-Intervention), a mobile application designed to help adolescents monitor and manage their cognitive and emotional functioning in everyday settings. NEMO-I delivers evidence-based psychological techniques-such as mindfulness, self-regulation training, and emotion monitoring-in a gamified format consisting of seven brief activities that users can complete at home in about 10 minutes each.
A total of 140 middle and high school students will participate. Participants will complete standardized neuropsychological and psychological assessments before and after the intervention period. During the 21-day intervention period, participants will use the NEMO-I application at home each day at their convenience (a minimum of 10 minutes per day is recommended). By comparing pre- and post-intervention assessment results, this study seeks to determine whether the application produces meaningful benefits for adolescent mental health and to establish its suitability as a digital mental health tool.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| NEMO-I Intervention Group | Experimental | Participants in this single-arm study use the NEMO-I mobile application at home for 21 days, at their convenience each day (a minimum of 10 minutes per day is recommended). Cognitive and emotional outcomes are assessed before and after the intervention period. |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| NEMO-I (Neuro-cognitive Emotion Monitoring-Intervention) | Behavioral | NEMO-I is a mobile application that delivers evidence-based psychological techniques in a gamified format. It consists of seven brief activities-including facial expression imitation, singing, breathing and stretching with nature sounds, reading tips for everyday concerns, rhythm-based instrument play, room decoration, and mindfulness-each designed to be completed at home in about 10 minutes. Participants use the application daily during the 21-day intervention period, at their convenience, with a recommended minimum of 10 minutes per day. |
| Measure | Description | Time Frame |
|---|---|---|
| Change in depressive symptoms | Depressive symptoms are measured using the Beck Depression Inventory-II (BDI-II), a 21-item self-report questionnaire. Total scores range from 0 to 63, with higher scores indicating more severe depressive symptoms. Change is assessed by comparing pre- and post-intervention scores. | Baseline (pre-intervention) and after the 21-day intervention period |
| Change in inhibitory control (Color-Word Stroop Test, CWST) | Inhibitory control is assessed using the Color-Word Stroop Test (CWST), which measures the efficiency of the frontal-lobe inhibition process. Performance is indexed by response time and error rate under the color-word interference condition. Change is assessed by comparing pre- and post-intervention performance. | Baseline(pre-intervention) and after the 21-day intervention period |
| Change in anxiety symptoms | Anxiety symptoms are measured using the Beck Anxiety Inventory (BAI), a 21-item self-report questionnaire assessing the severity of anxiety-related symptoms. Higher scores indicate greater anxiety. Change is assessed by comparing pre- and post-intervention scores. | Baseline(pre-intervention) and after the 21-day intervention period |
| Change in neuro-cognitive and emotional function (NEMO-A) | Neuro-cognitive and emotional function is assessed using the NEMO-A (Neuro-cognitive Emotion Monitoring-Assessment) application, a tablet-based, game-format assessment consisting of five subtasks. It measures domains including sustained attention, working memory, emotional sensitivity, emotion processing and recognition, audiovisual emotional integration, cognitive control, and executive function. Performance is indexed by accuracy and response time, and change is assessed by comparing pre- and post-intervention performance. | Baseline (pre-intervention) and after the 21-day intervention period |
| Measure | Description | Time Frame |
|---|---|---|
| Change in subjective stress | Subjective stress is measured using a Visual Analog Scale (VAS), on which participants rate their current perceived stress level from 1 (no stress) to 10 (extreme stress). | Baseline (pre-intervention) and after the 21-day intervention period |
| Change in daily stress |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Myeongjie Im, MA | Contact | +82-10-2588-0859 | imj@swu.ac.kr |
| Name | Affiliation | Role |
|---|---|---|
| Hyunjoo Song, PhD | Seoul Women's University | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Seoul Women's University | Seoul | Seoul | 01797 | South Korea |
Individual participant data will not be shared with other researchers, as participants and their legal guardians were informed during the informed consent process that collected data would not be provided to third parties.
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| Change in visual attention and processing speed (Children's Color Trails Test, CCTT) |
Visual attention, psychomotor speed, sequential processing, and divided/sustained visual attention are assessed using the Children's Color Trails Test (CCTT). Performance is indexed by completion time (seconds). Change is assessed by comparing pre- and post-intervention performance. |
| Baseline (pre-intervention) and after the 21-day intervention period |
| Change in set-shifting ability (Trail Making Test-B, TMT-B) | Set-shifting ability and cognitive flexibility are assessed using the Trail Making Test-B (TMT-B), which requires alternating between numbers and letters in sequence. Performance is indexed by completion time (seconds). Change is assessed by comparing pre- and post-intervention performance. | Baseline (pre-intervention) and after the 21-day intervention period |
Daily stress is measured using a 26-item self-report scale assessing stress experienced in everyday domains such as parents, school, academics, peer relationships, appearance, and finances, rated on a 5-point Likert scale. |
| Baseline(pre-intervention) and after the 21-day intervention period |
| Change in alexithymia | Difficulty identifying and describing one's own emotions is measured using the Korean version of the 20-item Toronto Alexithymia Scale (TAS-20K), rated on a 5-point Likert scale. | Baseline (pre-intervention) and after the 21-day intervention period |
| Change in executive function difficulties (self-report) | Self-reported executive function difficulties are measured using the Brief Self-Report Questionnaire of Executive Function Difficulty for children and adolescents (40 items), rated on a 3-point Likert scale. | Baseline (pre-intervention) and after the 21-day intervention period |
| Change in peer relationship quality | The quality of peer relationships is measured using a 13-item self-report scale rated on a 4-point Likert scale, including items reflecting conflict and negative peer interactions. | Baseline (pre-intervention) and after the 21-day intervention period |
| Change in problem behaviors (CBCL 6-18, parent report) | Problem behaviors are assessed using the Child Behavior Checklist for Ages 6-18 (CBCL 6-18), completed by a parent or primary caregiver. It includes internalizing problems (e.g., anxiety, depression, somatic complaints) and externalizing problems (e.g., rule-breaking, aggressive behavior). | Baseline (pre-intervention) and after the 21-day intervention period |
| Change in ADHD symptoms (ARS, parent report) | Attention-deficit/hyperactivity symptoms are assessed using the ADHD Rating Scale (ARS), an 18-item parent-report questionnaire comprising inattention and hyperactivity/impulsivity subscales. | Baseline (pre-intervention) and after the 21-day intervention period |