Explanipedia

Functional Connectivity of the Subgenual Anterior Cingulate Cortex Predicts Emerging Depressive Symptoms Between Mid and Late Adolescence Open

Ben J. Harrison, Cherie Strikwerda‐Brown, Sarah Whittle, Nicholas B. Allen, Christopher G. Davey · 2025

Functional Connectivity of the Subgenual Anterior Cingulate Cortex Predicts Emerging Depressive Symptoms Between Mid and Late Adolescence

When “Self‐Harm” Means “Suicide”: A Topic Modeling Study of Adolescent Online Help‐Seeking for Self‐Harm Open

Monika N Lind, Afsaneh Razi, Hanneke Scholten, Madeleine J. George, Munmun De Choudhury , et al. · 2025

Introduction The 15%–20% of adolescents worldwide who engage in nonsuicidal self‐injury (NSSI) face an increased risk of transitioning from suicidal ideation to suicide attempt. To resist NSSI urges, young people often seek peer support on…

In Their Own Words: Case Studies of Adolescent Smartphone Language Preceding Suicide-related Hospitalizations Open

Isaac N. Treves, Paul Alexander Bloom, Samantha Salem, Katherine Durham, Valerio Zaccaria , et al. · 2025

Rising adolescent suicide rates underscore an urgent need for better detection of short-term risk in the days and hours leading up to attempts. Passive smartphone sensing of language offers a promising approach, yet its performance during …

Evaluating the performance of general purpose large language models in identifying human facial emotions Open

Benjamin W. Nelson, Ari Winbush, Steven Siddals, Matthew Flathers, Nicholas B. Allen , et al. · 2025

Smartphone use in a large US adult population: Temporal associations between objective measures of usage and mental well-being Open

Ari Winbush, Daniel McDuff, John Hernandez, Andrew Barakat, Allen Jiang , et al. · 2025

Smartphones are essential tools in daily life yet concerns persist about their potential effects on mental health and well-being. Research on these relationships often relies on subjective measures of smartphone use, which can lack validit…

Momentary Stress and Social Context among Adolescents at Risk for Suicide: An Experience Sampling Study Open

Paul Alexander Bloom, Hanga Galfalvy, Alma Bitran, Ashley Blanchard, Lauren S. Chernick , et al. · 2025

Adolescent suicide is a public health emergency with interpersonal factors playing a critical role in risk for suicidal thoughts and behaviors (STB). This study examined whether smartphone-based ecological momentary assessment (EMA) survey…

EEG-based brain connectivity and sentiment analysis from smartphone social communication: insights into remitted major depressive disorder among adolescents Open

Nayoung Kim, Lilian Y. Li, Carter J. Funkhouser, Allison M. Letkiewicz, Esha Trivedi , et al. · 2025

Although prior research has identified abnormal brain connectivity in remitted depressed adolescents, there is limited work associating these alterations with real-time affective dynamics, which may shed insight about specific biological m…

Identifying Suicide-Related Language in Smartphone Keyboard Entries Among High-Risk Adolescents Open

Paul Alexander Bloom, Isaac N. Treves, David Pagliaccio, Isabella Nadel, Emma Wool , et al. · 2025

Adolescent suicide rates have risen over the past two decades, underscoring the need for improved risk detection strategies. This study leverages passively-collected smartphone data to identify suicide-related language in adolescents’ keyb…

O013 Examining insomnia and delayed sleep–wake phase disorder during adolescenceora Open

Jessica Nicolazzo, Evangelos Chachos, A Hand, Pilar Artiach Hortelano, Nathan A. Lewis , et al. · 2025

Introduction Measuring circadian timing informs the diagnosis of Insomnia and Delayed Sleep–Wake Phase Disorder (DSWPD) in adults, however this has not been studied in adolescents. This study examined circadian timing of sleep in adolescen…

Identifying Suicide-Related Language in Smartphone Keyboard Entries Among High-Risk Adolescents Open

Paul Alexander Bloom, Isaac N. Treves, David Pagliaccio, Isabella Nadel, Emma Wool , et al. · 2025

Adolescent suicide rates have risen over the past two decades, underscoring the need for improved strategies to detect risk. This study leverages passively collected smartphone data to identify suicide-related language in adolescents’ keyb…

Temperament, brain structure and problematic video gaming in adolescence – A six-year longitudinal study Open

Ines Mürner‐Lavanchy, Silvano Sele, Julian G. Simmons, Dan I. Lubman, Sarah Whittle , et al. · 2025

Background Growing concerns regarding problematic gaming highlight the need for prospective longitudinal research to explore potential targets for prevention. Markers that can be observed during early adolescence, prior to the establishmen…

Comparison of Sleep Features Across Smartphone Sensors, Actigraphy, and Diaries Among Young Adults: Longitudinal Observational Study Open

Jaclyn S. Kirshenbaum, Ryann Crowley, Melissa D. Latham, David Pagliaccio, Randy P. Auerbach , et al. · 2025

Background Poor sleep health is pervasive and contributes to long-lasting physical and psychological problems. As traditional sleep measurement can be burdensome, testing scalable and accessible sleep measurements is important. Objective T…

Evidence of differences in diurnal electrodermal, temperature and heart rate patterns by mental health status in free-living data Open

Daniel McDuff, Isaac R. Galatzer‐Levy, Seamus Thomson, Andrew Barakat, Conor Heneghan , et al. · 2025

Background Electrodermal activity (EDA) is a measure of sympathetic arousal that has been linked to depression in laboratory experiments. However, the inability to measure EDA passively over time and in the real world has limited conclusio…

A longitudinal study of objective dating app usage and its relation to mental health in adolescents. Open

Madeline M. McGregor, Lilian Y. Li, Esha Trivedi, Sarah E. Sarkas, Aishwarya Sritharan , et al. · 2025

The use of dating apps among adolescents is a growing public concern. Past research, which almost exclusively relies on self-reported dating app usage, highlights an increased risk of victimization, but also opportunities to develop person…

Early changes in passively sensed homestay predict depression symptom improvement during digital behavioral activation Open

Carter J. Funkhouser, Lauren S Weiner, Ryann Crowley, Jon F. Davis, Frank H. Koegler , et al. · 2025

Digital behavioral activation (BA) is scalable, accessible, and efficacious for depression. However, some individuals do not improve during digital BA, and identifying non-responders early is critical for facilitating adaptive intervention…

Residential greenness and adolescent mental health trajectories: A longitudinal pre-registered study Open

Sara Rudbæk Larsen, Divyangana Rakesh, Sarah Whittle, Nicholas B. Allen, Peter G. Enticott , et al. · 2025

Exposure to natural environments, such as residential green spaces, has been proposed as a promising approach to health promotion and prevention of mental health issues among adolescents. This study investigated the association between res…

Evaluating the Performance of Large Language Models in Identifying Human Facial Emotions: GPT 4o, Gemini 2.0 Experimental, and Claude 3.5 Sonnet Open

Benjamin W. Nelson, Ari Winbush, Steven Siddals, John Torous, Nicholas B. Allen , et al. · 2025

Background. Evaluating the social and emotional capabilities of large language models (LLMs), such as their ability to recognize human facial emotion is critical as their role in human-computer interactions (HCIs) expands, particularly in …

When “Self-Harm” Means “Suicide”: A Topic Modeling Study of Adolescent Online Help-Seeking for Self-Harm Open

Monika N Lind, Afsaneh Razi, Hanneke Scholten, Madeleine J. George, Munmun De Choudhury , et al. · 2025

Introduction: The 15-20% of adolescents worldwide who engage in non-suicidal self-injury (NSSI) face an increased risk of transitioning from suicidal ideation to suicide attempt. To resist NSSI urges, young people often seek peer support o…

A longitudinal neuroimaging study of adolescent girls’ mentalizing and perspective-taking tendencies Open

Victoria Guazzelli Williamson, Marjolein E.A. Barendse, Samantha Chavez, John C. Flournoy, Theresa W Cheng , et al. · 2025

Research in developmental psychology suggests that self-concept formation and mentalizing capacities, along with their neural foundations, show significant developmental change during adolescence. Perspective-taking tendencies are also bel…

Using Smartphone GPS Data to Detect the Risk of Adolescent Suicidal Thoughts and Behaviors Open

Randy P. Auerbach, Paul Alexander Bloom, David Pagliaccio, Ranqing Lan, Hanga Galfalvy , et al. · 2025

Importance Suicide rates among adolescents continue to rise, but there are a lack of clinical tools to predict when youths may be at risk for suicidal behaviors. Objective To identify whether geolocation metrics, assessed through an app in…

Acceptability and Usability of a Digital Behavioral Health Platform for Youth at Risk of Suicide: User-Centered Design Study With Patients, Practitioners, and Business Gatekeepers Open

Trinity Tse, Lauren S Weiner, Carter J. Funkhouser, Danielle DeLuise, Colleen Cullen , et al. · 2025

Background Youth suicide rates are climbing, underscoring the need to improve clinical care. Personal smartphones can provide an understanding of proximal risk factors associated with suicide and facilitate consistent contact between patie…

Correction: A personal sensing technology enabled service versus a digital psychoeducation control for primary care patients with depression and anxiety: a pilot randomized controlled trial Open

Colleen Stiles‐Shields, Karen M. Reyes, Tanvi Lakhtakia, Shannon Smith, Olga E. Barnas , et al. · 2025

Momentary Stress and Social Context among Adolescents at Risk for Suicide: An Experience Sampling Study Open

Paul Alexander Bloom, Hanga Galfalvy, Alma Bitran, Ashley Blanchard, Lauren S. Chernick , et al. · 2024

Adolescent suicide is a public health emergency with interpersonal factors playing a critical role in risk for suicidal thoughts and behaviors (STB). This study examined whether smartphone-based ecological momentary assessment (EMA) survey…

A personal sensing technology enabled service versus a digital psychoeducation control for primary care patients with depression and anxiety: a pilot randomized controlled trial Open

Colleen Stiles‐Shields, Karen M. Reyes, Tanvi Lakhtakia, Shannon Smith, Olga E. Barnas , et al. · 2024

ClinicalTrials.gov NCT05406791.

SMURF: Statistical Modality Uniqueness and Redundancy Factorization Open

Torsten Wörtwein, Nicholas B. Allen, Jeffrey F. Cohn, Louis‐Philippe Morency · 2024

Multimodal late fusion is a well-performing fusion method that sums the outputs of separately processed modalities, so-called modality contributions, to create a prediction; for example, summing contributions from vision, acoustic, and lan…

Rapid assessment of psychological and epidemiological correlates of COVID-19 concern, financial strain, and health-related behavior change in a large online sample Open

Benjamin W. Nelson, Adam Pettitt, Jessica Flannery, Nicholas B. Allen · 2024

COVID-19 emerged in November 2019 leading to a global pandemic that has not only resulted in widespread medical complications and loss of life, but has also impacted global economies and transformed daily life. The current rapid response s…

Language use in depressed and non-depressed mothers and their adolescent offspring Open

Laura A. Cariola, Lisa Sheeber, Nicholas B. Allen, Maneesh Bilalpur, Timothy Bird , et al. · 2024

Evidence of Differences in Diurnal Electrodermal, Temperature, and Heart Rate Patterns by Mental Health Status in Free-Living Data Open

Daniel McDuff, Isaac R. Galatzer‐Levy, Seamus Thomson, Andrew Barakat, Conor Heneghan , et al. · 2024

Electrodermal activity (EDA) is a measure of sympathetic arousal that has been linked to depression in laboratory experiments. However, the inability to measure EDA passively over time and in the real-world has limited conclusions that can…

Acceptability and Usability of a Digital Behavioral Health Platform for Youth at Risk of Suicide: User-Centered Design Study With Patients, Practitioners, and Business Gatekeepers (Preprint) Open

Trinity Tse, Lauren S Weiner, Carter J. Funkhouser, Danielle DeLuise, Colleen Cullen , et al. · 2024

BACKGROUND Youth suicide rates are climbing, underscoring the need to improve clinical care. Personal smartphones can provide an understanding of proximal risk factors associated with suicide and facilitate consistent contact between pati…

Passively sensing smartphone use in teens with rates of use by sex and across operating systems Open

Jordan D. Alexander, Janosch Linkersdörfer, Katherine Toda-Thorne, Ryan M. Sullivan, Kevin Cummins , et al. · 2024

Youth screen media activity is a growing concern, though few studies include objective usage data. Through the longitudinal, U.S.-based Adolescent Brain Cognitive Development (ABCD) Study, youth (m age = 14; n = 1415) self-reported their t…

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