Andrew T. Campbell
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View article: Psychometric properties and validity of a Mobile Patient Health Questionnaire–9 (MPHQ-9) for ecological momentary assessment in depressed adults.
Psychometric properties and validity of a Mobile Patient Health Questionnaire–9 (MPHQ-9) for ecological momentary assessment in depressed adults. Open
Ecological momentary assessment is well-suited for capturing rapid symptom dynamics, and it is increasingly used to measure depression symptoms. However, few depression measures are validated for ecological momentary assessment use in the …
View article: Passive sensing of anhedonia and amotivation in a transdiagnostic sample.
Passive sensing of anhedonia and amotivation in a transdiagnostic sample. Open
Anhedonia and avolition are core clinical features of schizophrenia, bipolar disorder, and major depressive disorder, which have been traditionally assessed using clinical rating scales. However, recent developments in mobile technology al…
View article: Acute suicidal ideation in context: highlighting sentiment-based markers through the diary entries of a clinically depressed sample
Acute suicidal ideation in context: highlighting sentiment-based markers through the diary entries of a clinically depressed sample Open
This work provides an accessible exploratory framework that capitalizes on the benefits of dense EMA sampling and NLP to profile and quantify acute SI trajectories. The use of the MPHQ's item 9 to quantify SI is an important limitation as …
View article: Digital biomarkers of avoidance and their relationship with depression and anxiety symptoms
Digital biomarkers of avoidance and their relationship with depression and anxiety symptoms Open
Anxiety and depression are highly comorbid, warranting a need to understand transdiagnostic mechanisms contributing to the high rates of comorbidity. Prior work has implicated avoidance as a transdiagnostic mechanism; however, this has pri…
View article: Psychometric Properties and Validity of a Mobile Patient Health Questionnaire-9 (MPHQ-9) for Ecological Momentary Assessment in Depressed Adults
Psychometric Properties and Validity of a Mobile Patient Health Questionnaire-9 (MPHQ-9) for Ecological Momentary Assessment in Depressed Adults Open
Ecological momentary assessment (EMA) offers advantages over retrospective questionnaires by reducing recall bias and capturing rapid symptom dynamics, and it is increasingly used to measure depression symptoms. However, few depression sym…
View article: Psychometric Properties and Validity of a Mobile Patient Health Questionnaire-9 (MPHQ-9) for Ecological Momentary Assessment in Depressed Adults
Psychometric Properties and Validity of a Mobile Patient Health Questionnaire-9 (MPHQ-9) for Ecological Momentary Assessment in Depressed Adults Open
Ecological momentary assessment (EMA) offers advantages over retrospective questionnaires by reducing recall bias and capturing rapid symptom dynamics, and it is increasingly used to measure depression symptoms. However, few depression sym…
View article: Semantic signals in self-reference: The detection and prediction of depressive symptoms from the daily diary entries of a sample with major depressive disorder.
Semantic signals in self-reference: The detection and prediction of depressive symptoms from the daily diary entries of a sample with major depressive disorder. Open
Individuals with major depressive disorder (MDD) experience fewer positive and more negative emotions and use fewer positive words to describe themselves. Natural language processing techniques have been used to predict depression, with pr…
View article: Predicting weekly instability in depressive symptoms among individuals diagnosed with Major Depressive Disorder using deep learning and passively-collected movement data
Predicting weekly instability in depressive symptoms among individuals diagnosed with Major Depressive Disorder using deep learning and passively-collected movement data Open
Major Depressive Disorder (MDD) is a prevalent mental health disorder often identified by persistentlow mood, and a lack of motivation and energy. Persons with MDD often experience largefluctuations in their symptoms over hours and days, w…
View article: Perplexity and Proximity: Large Language Model Perplexity Complements Semantic Distance Metrics for the Detection of Incoherent Speech
Perplexity and Proximity: Large Language Model Perplexity Complements Semantic Distance Metrics for the Detection of Incoherent Speech Open
View article: MindScape Study: Integrating LLM and Behavioral Sensing for Personalized AI-Driven Journaling Experiences
MindScape Study: Integrating LLM and Behavioral Sensing for Personalized AI-Driven Journaling Experiences Open
Mental health concerns are prevalent among college students, highlighting the need for effective interventions that promote self-awareness and holistic well-being. MindScape explores a novel approach to AI-powered journaling by integrating…
View article: Assessing the Psychometric Properties and Validity of a Mobile Patient Health Questionnaire-9 (MPHQ-9) for Ecological Momentary Assessment
Assessing the Psychometric Properties and Validity of a Mobile Patient Health Questionnaire-9 (MPHQ-9) for Ecological Momentary Assessment Open
Ecological momentary assessment (EMA) offers advantages over retrospective questionnaires by reducing recall bias and capturing rapid symptom dynamics, and it is increasingly used to measure depression symptoms. However, few depression sym…
View article: Psychometric Properties and Validity of a Mobile Patient Health Questionnaire-9 (MPHQ-9) for Ecological Momentary Assessment in Depressed Adults
Psychometric Properties and Validity of a Mobile Patient Health Questionnaire-9 (MPHQ-9) for Ecological Momentary Assessment in Depressed Adults Open
Ecological momentary assessment (EMA) offers advantages over retrospective questionnaires by reducing recall bias and capturing rapid symptom dynamics, and it is increasingly used to measure depression symptoms. However, few depression sym…
View article: Psychometric Properties and Validity of a Mobile Patient Health Questionnaire-9 (MPHQ-9) for Ecological Momentary Assessment in Depressed Adults
Psychometric Properties and Validity of a Mobile Patient Health Questionnaire-9 (MPHQ-9) for Ecological Momentary Assessment in Depressed Adults Open
Ecological momentary assessment (EMA) offers advantages over retrospective questionnaires by reducing recall bias and capturing rapid symptom dynamics, and it is increasingly used to measure depression symptoms. However, few depression sym…
View article: Acute Suicidal Ideation in Context: Highlighting Sentiment-based Markers through the Diary Entries of a Clinically Depressed Sample
Acute Suicidal Ideation in Context: Highlighting Sentiment-based Markers through the Diary Entries of a Clinically Depressed Sample Open
Background: Despite major strides in conceptualizing and modeling the multifaceted nature of suicidal thought and behavior (STB) over the past few decades, the overall predictability of STB has not improved. This may be partly due to the d…
View article: MindScape Study: Integrating LLM and Behavioral Sensing for Personalized AI-Driven Journaling Experiences
MindScape Study: Integrating LLM and Behavioral Sensing for Personalized AI-Driven Journaling Experiences Open
Mental health concerns are prevalent among college students, highlighting the need for effective interventions that promote self-awareness and holistic well-being. MindScape pioneers a novel approach to AI-powered journaling by integrating…
View article: Trends in pancreatic cancer mortality in the United States 1999–2020: a CDC database population-based study
Trends in pancreatic cancer mortality in the United States 1999–2020: a CDC database population-based study Open
View article: The role of borderline personality disorder traits in predicting longitudinal variability of major depressive symptoms among a sample of depressed adults
The role of borderline personality disorder traits in predicting longitudinal variability of major depressive symptoms among a sample of depressed adults Open
View article: <i>TP53</i> mutations in myeloid neoplasms: implications for accurate laboratory detection, diagnosis, and treatment
<i>TP53</i> mutations in myeloid neoplasms: implications for accurate laboratory detection, diagnosis, and treatment Open
Genetic alterations that affect the function of p53 tumor suppressor have been extensively investigated in myeloid neoplasms, revealing their significant impact on disease progression, treatment response, and patient outcomes. The identifi…
View article: Patterns and trends in melanoma mortality in the United States, 1999–2020
Patterns and trends in melanoma mortality in the United States, 1999–2020 Open
View article: Metabolism-driven in vitro/in vivo disconnect of an oral ERɑ VHL-PROTAC
Metabolism-driven in vitro/in vivo disconnect of an oral ERɑ VHL-PROTAC Open
View article: Contextual AI Journaling: Integrating LLM and Time Series Behavioral Sensing Technology to Promote Self-Reflection and Well-being using the MindScape App
Contextual AI Journaling: Integrating LLM and Time Series Behavioral Sensing Technology to Promote Self-Reflection and Well-being using the MindScape App Open
MindScape aims to study the benefits of integrating time series behavioral patterns (e.g., conversational engagement, sleep, location) with Large Language Models (LLMs) to create a new form of contextual AI journaling, promoting self-refle…
View article: MoodCapture: Depression Detection using In-the-Wild Smartphone Images
MoodCapture: Depression Detection using In-the-Wild Smartphone Images Open
MoodCapture presents a novel approach that assesses depression based on images automatically captured from the front-facing camera of smartphones as people go about their daily lives. We collect over 125,000 photos in the wild from N=177 p…
View article: Capturing the College Experience
Capturing the College Experience Open
Understanding the dynamics of mental health among undergraduate students across the college years is of critical importance, particularly during a global pandemic. In our study, we track two cohorts of first-year students at Dartmouth Coll…
View article: Loneliness in the Daily Lives of People With Mood and Psychotic Disorders
Loneliness in the Daily Lives of People With Mood and Psychotic Disorders Open
Background and Hypothesis Loneliness, the subjective experience of feeling alone, is associated with physical and psychological impairments. While there is an extensive literature linking loneliness to psychopathology, limited work has exa…
View article: Generative Flows on Discrete State-Spaces: Enabling Multimodal Flows with Applications to Protein Co-Design
Generative Flows on Discrete State-Spaces: Enabling Multimodal Flows with Applications to Protein Co-Design Open
Combining discrete and continuous data is an important capability for generative models. We present Discrete Flow Models (DFMs), a new flow-based model of discrete data that provides the missing link in enabling flow-based generative model…
View article: Depressive symptoms as a heterogeneous and constantly evolving dynamical system: Idiographic depressive symptom networks of rapid symptom changes among persons with major depressive disorder.
Depressive symptoms as a heterogeneous and constantly evolving dynamical system: Idiographic depressive symptom networks of rapid symptom changes among persons with major depressive disorder. Open
Major depressive disorder (MDD) is conceptualized by individual symptoms occurring most of the day for at least two weeks. Despite this operationalization, MDD is highly variable with persons showing greater variation within and across day…
View article: Identifying mechanisms of persecutory ideation maintenance with smartphone technology: Examining threat importance, certainty, rumination, and behavior change
Identifying mechanisms of persecutory ideation maintenance with smartphone technology: Examining threat importance, certainty, rumination, and behavior change Open
View article: Workshop on guidelines and methods for the design and evaluation of rebuilding plans for category 1-2 stocks (WKREBUILD2)
Workshop on guidelines and methods for the design and evaluation of rebuilding plans for category 1-2 stocks (WKREBUILD2) Open
A first workshop on guidelines and methods for the design and evaluation of rebuilding plans for category 1-2 stocks, WKREBUILD, took place in 2020. WKREBUILD generated a guidance on best practices for evaluation of rebuilding plans agains…
View article: A Multi-Timescale Analysis of Reward Functions Learned from Human-Automation Collaboration
A Multi-Timescale Analysis of Reward Functions Learned from Human-Automation Collaboration Open
View article: Investigating Generalizability of Speech-based Suicidal Ideation Detection Using Mobile Phones
Investigating Generalizability of Speech-based Suicidal Ideation Detection Using Mobile Phones Open
Speech-based diaries from mobile phones can capture paralinguistic patterns that help detect mental illness symptoms such as suicidal ideation. However, previous studies have primarily evaluated machine learning models on a single dataset,…