
Fiona C BakerSRI International | SRI · Centre for Health Sciences
Fiona C Baker
PhD
About
341
Publications
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Introduction
Additional affiliations
February 2005 - present
January 2002 - present
January 2001 - January 2002
Publications
Publications (341)
Objective
To assess whether specific parent media practices are associated with the consumption of R-rated (restricted) movies and mature-rated video game use in early adolescents.
Methods
Data from the Adolescent Brain Cognitive Development (ABCD) Study (N = 10,054, 12–13 years, Year 3, 2019–2021) were analyzed. Ordinal logistic regression models...
Background
This study aimed to investigate associations between sociodemographic factors and dietary intake among a diverse population of early adolescents ages 10–13 years in the United States.
Methods
We examined data from the Adolescent Brain Cognitive Development (ABCD) Study in Year 2 (2018–2020, ages 10–13 years, N = 10,280). Multivariable l...
Background
Sexual orientation discrimination increases the risks of negative health outcomes for sexual minorities. Previous studies have found increased rates of eating disorder symptoms in sexual minority individuals, which is attributable to minority stress and discrimination that they experience. Emerging research suggests relationships between...
Introduction
Adolescence is marked by hormonal, physical, neural, and behavioral changes, including in sleep patterns and, in females, the onset of menarche. Menstrual problems, such as painful menses, are common and contribute to school absences, and could indicate gynecological conditions impacting reproductive health. While studies in adults hav...
Objective
To assess associations between multiple dimensions of gender diversity with eating disorder symptoms in a national cohort of U.S. early adolescents.
Method
This cross‐sectional study utilized data from the Adolescent Brain Cognitive Development (ABCD) Study ( N = 10,092, M age = 12.9 years, 2019–2021). Gender diversity was measured using...
Introduction: Autism Spectrum Disorder (ASD) is characterized by deficits in social cognition, self-referential processing, and restricted repetitive behaviors. Despite the established clinical symptoms and neurofunctional alterations in ASD, definitive biomarkers for ASD features during neurodevelopment remain unknown. In this study, we aimed to e...
Dopaminergic projections from the ventral tegmental area (VTA) to limbic regions play a key role in the initiation and maintenance of substance use; however, the relationship between mesolimbic resting-state functional connectivity (RSFC) and alcohol use during development remains unclear. We examined the associations between alcohol use and VTA RS...
Study Objectives
Early exposure to mature content is linked to high-risk behaviors. This study aims to prospectively investigate how sleep and sensation-seeking behaviors influence the consumption of mature video games and R-rated movies in early adolescents. A secondary analysis examines the bidirectional relationships between sleep patterns and m...
Background
Despite the ubiquity of adolescent screen use, there are limited longitudinal studies that examine the prospective relationships between screen time and child behavioral problems in a large, diverse nationwide sample of adolescents in the United States, which was the objective of the current study.
Methods
We analyzed cohort data of 9,5...
Most studies about the menstrual cycle are laboratory-based, in small samples, with infrequent sampling, and limited to young individuals. Here, we use wearable and diary-based data to investigate menstrual phase and age effects on finger temperature, sleep, heart rate (HR), physical activity, physical symptoms, and mood. A total of 116 healthy fem...
The associations of adverse childhood experiences (ACEs) with blood pressure in adulthood are inconclusive.
Similarly, the association between ACEs and blood pressure earlier in the life course is understudied. This study
aims to assess the associations of ACEs with blood pressure among early adolescents. We utilized data collected at
baseline (age...
Background: Substance use in youth remains a pressing problem in the United States. Existing studies have shown the importance of neuropathways responsible for affective response and reward motivation in adolescents' substance use initiation and maintenance. However, limited observational studies have explored the relationship between aspects of be...
Purpose
Alcohol-related blackouts (ARBs) are common in adolescents and emerging adults. ARBs may also be indicative of persistent, alcohol-related neurocognitive changes. This study explored ARBs as a predictor of altered structural brain development and associated cognitive correlates.
Methods
Longitudinal growth curve modeling estimated trajecto...
Objective
Adolescent females frequently experience internalizing symptoms like sadness and anxiety during this developmental period of hormonal, emotional, and sleep changes. However, the interaction between sleep, menstruation-related challenges, and internalizing symptoms is not currently understood.
Methods
Data from 2814 postmenarcheal female...
Introduction
This study evaluated the performance of a wrist-worn wearable, Verily Study Watch (VSW), in detecting key sleep measures against polysomnography (PSG).
Methods
We collected data from 41 adults without obstructive sleep apnea or insomnia during a single overnight laboratory visit. We evaluated epoch-by-epoch performance for sleep versu...
The goal was to evaluate the performance of a multi-sensor wrist-worn wearable device for generating 12 sleep measures in a diverse cohort. Our study technology was the sleep suite of the Verily Numetric Watch (VNW), using polysomnography (PSG) as reference during 1-night simultaneous recording in a sample of N=41 (18 male, age range: 18-78 years)....
Purpose: Our aim was to examine associations between transgender identity and sleep disturbance in a demographically diverse, national sample of U.S. early adolescents. Methods: We conducted a cross-sectional analysis of the Adolescent Brain Cognitive Development Study from Year 3 (2019-2021, n = 10,277, 12-13 years) to investigate the association...
Purpose
Emerging research evidence suggests positive relationships between higher screen time and eating disorders. However, few studies have examined the prospective associations between screen use and eating disorder symptoms in early adolescents and how problematic screen use may contribute to symptom development.
Methods
We analyzed prospectiv...
Importance
Most research to understand postacute sequelae of SARS-CoV-2 infection (PASC), or long COVID, has focused on adults, with less known about this complex condition in children. Research is needed to characterize pediatric PASC to enable studies of underlying mechanisms that will guide future treatment.
Objective
To identify the most commo...
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 (mage = 14; n = 1415) self-reported their typical smartphone use and passively recorded three weeks of smartphone use via the ABCD-specific Effortless Asse...
The menstrual cycle is a loop involving the interplay of different organs and hormones, with the capacity to impact numerous physiological processes, including body temperature and heart rate, which in turn display menstrual rhythms. The advent of wearable devices that can continuously track physiological data opens the possibility of using these p...
Aim
The current study investigated the prospective relationships between parental monitoring, family conflict, and screen time across six screen time modalities in early adolescents in the USA.
Methods
We utilised prospective cohort data of children (ages 10–14 years) from the Adolescent Brain Cognitive Development (ABCD) Study (years baseline to...
Early adolescent drinking onset is linked to myriad negative consequences. Using the National Consortium on Alcohol and NeuroDevelopment in Adolescence (NCANDA) baseline to year 8 data, this study (1) leveraged best subsets selection and Cox Proportional Hazards regressions to identify the most robust predictors of adolescent first and regular drin...
Nocturnal blood pressure (BP) monitoring offers valuable insights into various aspects of human wellbeing, particularly cardiovascular health. Despite recent advancements in medical technology, there remains a pressing need for a non-invasive, cuffless, and less burdensome method for overnight BP measurements. A range of machine learning models has...
Background
To investigate relationships among different physical health problems in a large, sociodemographically diverse sample of 9-to-10-year-old children and determine the extent to which perinatal health factors are associated with childhood physical health problems.
Methods
A cross-sectional study was conducted utilizing the Adolescent Brain...
Background
To assess the prevalence of various media parenting practices and identify their associations with early adolescent screen time and problematic social media, video game, and mobile phone use.
Methods
Cross-sectional data from Year 3 of the Adolescent Brain Cognitive Development (ABCD) Study (2019–2022) that included 10,048 adolescents (...
Heavy alcohol drinking is a major, preventable problem that adversely impacts the physical and mental health of US young adults. Studies seeking drinking risk factors typically focus on young adults who enrolled in 4-year residential college programs (4YCP) even though most high school graduates join the workforce, military, or community colleges....
Sociodemographic and lifestyle factors (sleep, physical activity, and sedentary behavior) may predict obesity risk in early adolescence; a critical period during the life course. Analyzing data from 2971 participants (M = 11.94, SD = 0.64 years) wearing Fitbit Charge HR 2 devices in the Adolescent Brain Cognitive Development (ABCD) Study, glass box...
Objective
To investigate the prevalence and sociodemographic associations of online dating in a demographically diverse U.S. national cohort of early adolescents.
Methods
We analyzed cross-sectional data from the Adolescent Brain Cognitive Development Study (Year 2, 2018–2020, ages 11–12; N = 10,157). Multivariable logistic regression analyses wer...
Background
According to the Physical Activity Guidelines Advisory Committee Scientific Report, limited evidence is available on sedentary behaviors (screen time) and their joint associations with physical activity (steps) for cardiovascular health in adolescence. The objective of this study was to identify joint associations of screen time and phys...
Importance
The prevalence, pathophysiology, and long-term outcomes of COVID-19 (post-acute sequelae of SARS-CoV-2 [PASC] or “Long COVID”) in children and young adults remain unknown. Studies must address the urgent need to define PASC, its mechanisms, and potential treatment targets in children and young adults.
Observations
We describe the protoc...
Introduction
Poor sleep and mental health problems commonly emerge in adolescence, with a higher prevalence in females and those who suffer from obesity. Here, we evaluated the complex associations between poor sleep, obesity, and biological sex and how they interact to influence wellbeing in a large, diverse cohort of adolescents in the US.
Metho...
Introduction
Periodic limb movements during sleep (PLMS) are the most important objective correlate of restless legs syndrome (RLS) and, thus, could be beneficial for long-term monitoring and management. We aimed to develop a machine learning (ML) model to detect PLMS based on inertial measurement unit (IMU) movement sensors within an existing ther...
Introduction
Healthy sleep is critical for the physical, emotional, and cognitive development of adolescents. Capturing the multidimensional components of sleep behavior in this age group remains a challenge, particularly when relying on retrospective questionnaires. This study compares sleep data collected via youth-report, caregiver-report and fr...
Introduction
Due to augmentation, exposure to dopaminergic treatment induces worsening of restless legs syndrome (RLS) and reduces response to gabapentinoid medications, frequently leading to refractory RLS. Tonic motor activation (TOMAC) is a noninvasive neurostimulation therapy indicated for refractory RLS. We tested if response to TOMAC is affec...
Introduction
In today’s digital landscape, social media features prominently in adolescents’ social interactions and information consumption, influencing their development, potentially altering brain processes. Research shows a bidirectional relationship between social media use and both sleep health and brain activities, especially in executive co...
Introduction
Numerous physiological processes display menstrual cycle variations, including body temperature. The advances in quality and accessibility of wearables facilitate collecting time series of physiological data, including skin temperature during sleep. The cosinor method, frequently used in circadian rhythms biology, may be a useful tool...
Dreaming is a universal human behavior that has inspired searches for meaning across many disciplines including art, psychology, religion, and politics, yet its function remains poorly understood. Given the suggested role of sleep in emotional memory processing, we investigated whether reported overnight dreaming and dream content are associated wi...
Objective
Women's increasing workforce participation necessitates understanding unique life phases like menopause for enhanced workplace inclusivity. This research investigates the challenges and needs of peri-menopausal women in work settings, using the Job Demands–Resources model as a foundation.
Methods
A cross-sectional survey was administered...
Objective
Screen time has been reported to be associated with binge‐eating disorder (BED) among adolescents in the US; however, potential mediators remain unclear. This study aimed to evaluate depression symptoms as a mediator of the prospective association between screen time and BED.
Method
We utilized data from 9465 children (aged 9–11 years at...
The notion that alcohol can be used as a sedating agent to help the onset of sleep dates to antiquity. In a remaining fragment of a poem by a fourth-century BCE poet, Eubulus, a character says:
“I mix three kraters only for those who are wise.
One is for good health, which they drink first.
The second is for love and pleasure.
The third is for slee...
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 (mage=14; n=1,415) self-reported their typical smartphone use and passively recorded three weeks of smartphone use via the ABCD-specific Effortless Assessm...
Background
Binge-eating disorder (BED) is the most common eating disorder phenotype and is linked to several negative health outcomes. Yet, little is known about the social epidemiology of BED, particularly in early adolescence. The objective of this study was to examine the associations between sociodemographic characteristics and BED and binge-ea...
The Impact of COVID-19 in Women in the U.S.
Background and Aims
Recently, we demonstrated that a distinct pattern of structural covariance networks (SCN) from magnetic resonance imaging (MRI)‐derived measurements of brain cortical thickness characterized young adults with alcohol use disorder (AUD) and predicted current and future problematic drinking in adolescents relative to controls. Her...
Objective:
The objective of this study was to determine the association between cyberbullying and eating disorder symptoms in a national sample of 10-14-year-old early adolescents.
Method:
We analyzed cross-sectional data from the Adolescent Brain Cognitive Development (ABCD) Study (Year 2, 2018-2020, N = 10,258/11,875, 49% female, 46% non-White...
Subcortical brain morphometry matures across adolescence and young adulthood, a time when many youth engage in escalating levels of alcohol use. Initial cross-sectional studies have shown alcohol use is associated with altered subcortical morphometry. However, longitudinal evidence of sex-specific neuromaturation and associations with alcohol use r...
Screen use is a known risk factor for adverse physical and mental health outcomes during childhood and adolescence. Moreover, racial/ethnic disparity in screen use persists among adolescents. However, limited studies have characterized the population sharing similar longitudinal patterns of screen use from childhood to adolescence. This study will...
Background:
Evidence shows that cyberbullying is an important risk factor for various adverse mental health outcomes, such as substance use. However, there is limited evidence from longitudinal studies that assessed whether cyberbullying victimization is associated with substance use initiation, especially among adolescent population.
Methods:
U...
Background
Sociodemographic disparities in adolescent physical activity have been documented but mostly rely on self-reported data. Our objective was to examine differences in device-based step metrics, including daily step count (steps d ⁻¹ ), by sociodemographic factors among a diverse sample of 10-to-14-year-old adolescents in the US.
Methods
W...