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Articles 961 - 990 of 17381
Full-Text Articles in Entire DC Network
Identifying Bio-Behavioural Signatures Of Persistent Opioid Use Risk In Trauma Injury Patients: A Protocol For A Prospective Cohort Study, Joy M Schmitz, Jin Ho Yoon, Bruno Kluwe-Schiavon, John A Harvin, Preethi H Gunaratne, Darrion Mouton, Kandice Motley, Erin E Fox, Jessica Vincent, Megan Tarbet, Consuelo Walss-Bass
Identifying Bio-Behavioural Signatures Of Persistent Opioid Use Risk In Trauma Injury Patients: A Protocol For A Prospective Cohort Study, Joy M Schmitz, Jin Ho Yoon, Bruno Kluwe-Schiavon, John A Harvin, Preethi H Gunaratne, Darrion Mouton, Kandice Motley, Erin E Fox, Jessica Vincent, Megan Tarbet, Consuelo Walss-Bass
Faculty, Staff and Student Publications
Introduction: Exposure to prescription opioids following traumatic injury can increase the risk of developing tolerance, persistent opioid use and opioid use disorder. The mechanisms underlying opioid tolerance or dependence are not well understood, and no biomarkers predict risk. Opioid exposure causes epigenetic modifications, including alterations in microRNA (miRNA) expression. Several miRNAs, which regulate synaptic plasticity, are hypothesised to underlie substance use disorders and influence µ-opioid receptor levels, modulating opioid tolerance. This project aims to develop a bio-behavioural signature to predict persistent opioid use and chronic pain up to 6 months post-discharge.
Methods and analysis: The study will use a prospective …
Human Adipose Stem Cell-Derived Small Extracellular Vesicles Modulate Glial Cell Response In Aged And Young Tbi Mouse Models, Salma S. Abdelmaboud
Human Adipose Stem Cell-Derived Small Extracellular Vesicles Modulate Glial Cell Response In Aged And Young Tbi Mouse Models, Salma S. Abdelmaboud
USF Tampa Graduate Theses and Dissertations
Traumatic brain injury (TBI) is a leading cause of long-term neurological impairment, with aging significantly increasing vulnerability and worsening outcomes. Older individuals experience greater cognitive and motor deficits after TBI and often show diminished responses to therapeutic interventions. Both aging and TBI independently promote heightened neuroinflammation and cognitive dysfunction, increasing susceptibility to poor recovery. This study investigated the therapeutic potential of small extracellular vesicles (sEVs) derived from human adipose-derived stem cells (hASCs) to promote neurological recovery and modulate neuroinflammation in a mouse model of TBI. Male C57BL/6 mice aged 3, 15, and 20 months underwent controlled cortical impact (CCI) and …
P.L.A.Y. For All Pilot: Effects Of A Community-Based, Inclusive After-School Program On Physical Activity And Motor-Skill Outcomes, Allison R. Tsuchida, Karl-Richard Hennebach, Erin E. Centeio
P.L.A.Y. For All Pilot: Effects Of A Community-Based, Inclusive After-School Program On Physical Activity And Motor-Skill Outcomes, Allison R. Tsuchida, Karl-Richard Hennebach, Erin E. Centeio
International Journal of Physical Activity and Health
After-school programs for physical activity (PA) can contribute to helping children and youth achieve the suggested 60 minutes a day of PA. Previous research also suggests that developing motor competency can positively impact long-term PA participation. Additionally, parent and peer support can help children and youth overcome barriers to PA participation. The primary purpose of this pilot research study was to determine the effects of an inclusive after-school program on PA levels and motor-skill outcomes for children with and without disabilities. A secondary purpose was to examine parental support for physical activity and children’s physical activity and motor skills. 38 …
Dietary And Consumer Behaviors In Individuals Currently Using Substances: A Cross-Sectional Study Based On Nhanes (2013 - 2018), A Sarah Cohen, Marylou Cardenas-Turanzas, Audrey Lopez, Tiffany Champagne-Langabeer
Dietary And Consumer Behaviors In Individuals Currently Using Substances: A Cross-Sectional Study Based On Nhanes (2013 - 2018), A Sarah Cohen, Marylou Cardenas-Turanzas, Audrey Lopez, Tiffany Champagne-Langabeer
Faculty, Staff and Student Publications
Background: Substance use disorders (SUD) are associated with metabolic dysregulation and nutritional deficiencies. Studies show that incorporating nutrition interventions into treatment may improve physical and psychological health. This study sought to explore dietary and consumer behavior in individuals currently using substances.
Methods: Data from the 2013 - 2018 National Health and Nutrition Examination Survey were used for this cross-sectional study. Individuals 18 - 69 who were currently using marijuana, cocaine, heroin, methamphetamines, or injected unprescribed drugs were compared with individuals not using substances. Dietary and consumer behavior, including alcohol consumption was assessed. Analyses were performed using Stata I/C version 15. …
Leslie Combs And His Life In Chaos, Stanley C. Krippner
Leslie Combs And His Life In Chaos, Stanley C. Krippner
Journal of Conscious Evolution
The purpose of this contribution is to review what Leslie Combs described as his “Life in Chaos” and our interaction over the years. Beginning with our meeting at the founding of the Society for Chaos Theory in Psychology in 1991, this tribute traces his journey from early educational challenges to his emergence as a pioneering theorist in consciousness studies. It highlights our decades-long collaboration in the study of dreams, creativity, and the evolution of consciousness, celebrating his enduring legacy as both a brilliant psychologist and a cherished friend.
Keywords: Allan Leslie Combs, Stanley Krippner, chaos theory, systems theory, consciousness …
A Comprehensive Framework For Assessing Terrestrial Analogue Field Sites For Ocean Worlds, Jennifer C. Stern, Heather V. Graham, Bradley Burcar, Emily S. Martin, Aaron Noell, Kevin Hand, Jeff S. Bowman, Peter Doran, Virginia Edgcomb, James F. Holden, Alta E.G. Howells, Michael J. Malaska, Brook L. Nunn, Jani Radebaugh, Laura E. Rodriguez, Schuyler Borges, Dina Bower, Samuel Courville, Melisa Diaz, Benjamin Hockman, Julie Huber, Justin Lawrence, Trista Vick-Majors, Conor A. Nixon, John R. Spear, Amanda V. Steckel, Anezina Solomonidou, Nicholas Schmerr, Britney Schmidt, Matthew O. Schrenk, Lauren Seyler
A Comprehensive Framework For Assessing Terrestrial Analogue Field Sites For Ocean Worlds, Jennifer C. Stern, Heather V. Graham, Bradley Burcar, Emily S. Martin, Aaron Noell, Kevin Hand, Jeff S. Bowman, Peter Doran, Virginia Edgcomb, James F. Holden, Alta E.G. Howells, Michael J. Malaska, Brook L. Nunn, Jani Radebaugh, Laura E. Rodriguez, Schuyler Borges, Dina Bower, Samuel Courville, Melisa Diaz, Benjamin Hockman, Julie Huber, Justin Lawrence, Trista Vick-Majors, Conor A. Nixon, John R. Spear, Amanda V. Steckel, Anezina Solomonidou, Nicholas Schmerr, Britney Schmidt, Matthew O. Schrenk, Lauren Seyler
Michigan Tech Publications
Field studies at terrestrial analogue sites represent an important contribution to the science of ocean worlds. The value of the science and technology investigations conducted at field analogue sites depends on the relevance of the analogue environment to the target ocean world. We accept that there are no perfect analogues for many of the unique environments represented by ocean worlds but suggest that a one-to-one matching of environmental characteristics and conditions is not crucial to the success or impact of the work. Instead, we must determine which processes and parameters are required to map directly to the target ocean world …
The Physiological Impacts Of Nano-Ceramic Window Films In Hot-Climate Architecture: Theoretical Biological Study, Lina M. Shaker, Shahab Abdulla, Ralela Makline
The Physiological Impacts Of Nano-Ceramic Window Films In Hot-Climate Architecture: Theoretical Biological Study, Lina M. Shaker, Shahab Abdulla, Ralela Makline
AUIQ Complementary Biological System
This research explores the integration of nano-ceramic window films as a passive architectural strategy to improve both energy performance and occupant biological well-being in commercial buildings. The biological objective centers on enhancing health, comfort, and physiological stability by regulating thermal, optical, and radiative indoor conditions. Simulations on a three-story, 2,000 m² building demonstrated that high-performance films reduced indoor temperatures by up to 3.5°C, lowering thermal stress and core body heat load. Ultraviolet (UV) transmission was curtailed to as low as 1%, significantly decreasing skin damage doses below 0.2 MED/day. Select films maintained optimal Equivalent Melanopic Lux (EML) levels (up to …
Influence Of Varying Levels Of Lactiplantibacillus Plantarum Inoculant On The Physicochemical Characteristics And Degradation Kinetics Of Corn Silage, Christian V. Lualhati, Kimberly Turaja, Le Chan P. Yu, Jonalyn M. Sandro, Angelica Maghirang Maria, Jimmy C. Espina Jr., Cedric M. Nerona, Reynald D. Amido, Mary Rose De Guia, Gerald Guadayo, Menandro M. Loresco, Arnel N. Del Barrio
Influence Of Varying Levels Of Lactiplantibacillus Plantarum Inoculant On The Physicochemical Characteristics And Degradation Kinetics Of Corn Silage, Christian V. Lualhati, Kimberly Turaja, Le Chan P. Yu, Jonalyn M. Sandro, Angelica Maghirang Maria, Jimmy C. Espina Jr., Cedric M. Nerona, Reynald D. Amido, Mary Rose De Guia, Gerald Guadayo, Menandro M. Loresco, Arnel N. Del Barrio
The Philippine Agricultural Scientist
This study evaluated the effects of Lactiplantibacillus plantarum as an inoculant on the physical (color, odor, texture), chemical characteristics (pH, total soluble sugars [TSS], Flieg point [FP], dry matter [DM], organic matter [OM], ash, crude protein [CP], neutral detergent fiber [NDF], acid detergent fiber [ADF], and hemicellulose), and fermentation kinetics of corn silage. Treatments were 0% (T1), 1% (T2), 2% (T3), and 3% (T4) concentration of L. plantarum applied to corn before ensiling for 21 d. Afterwards, an in situ experiment was immediately conducted to test the digestibility of corn silage at 3, 6, 12, 24, 48, and 72 h …
Inhibition Of Return And Attentional Blink: Aspects Of A Singular Attentional Process?, Kathleen Rowe
Inhibition Of Return And Attentional Blink: Aspects Of A Singular Attentional Process?, Kathleen Rowe
Dissertations, Theses, and Capstone Projects
Inhibition of Return (IOR) and Attentional Blink (AB) are two distinctly defined phenomena that display some intriguingly similar properties. They both describe suppression effects following a visual stimulus that has captured attention, both may be preceded by an enhancement, and both share partially overlapping effect time windows which can be manipulated by task difficulty. The current study attempted to measure the two phenomena simultaneously to test our hypothesis that behavioral indices of AB and IOR will display significant spatial and temporal overlap, suggesting the two phenomena may reflect, at least in part, different aspects of a singular attentional process. To …
Cardiovascular And Aortic Wave Reflection Responses To Evening Binge Alcohol Consumption, Grant Thivierge, Ian Greenlund, Jeremy Bigalke, Carl Smoot, Jason R. Carter, John J. Durocher
Cardiovascular And Aortic Wave Reflection Responses To Evening Binge Alcohol Consumption, Grant Thivierge, Ian Greenlund, Jeremy Bigalke, Carl Smoot, Jason R. Carter, John J. Durocher
Michigan Tech Publications
Evening binge alcohol consumption contributes to sleep disruption and autonomic dysregulation that persists into the following morning. However, its impact on morning-after arterial stiffness and aortic wave reflection remains unknown. Using a randomized, crossover, fluid-controlled design, we hypothesized that heart rate (HR), carotid-femoral pulse wave velocity (cfPWV), aortic augmentation index (AIx), and aortic pulsatile load (APL) would be increased acutely after binge drinking at night (study 1) and the morning-after binge drinking (study 2). Participants (n=33, 18 females, 15 males, age 25±1 years, BMI: 27±1 kg/m) completed binge alcohol (4-5 drink equivalent) and fluid control protocols. Study 1 examined cardiovascular …
Exploring Boundaries With Food, Substances, And People In Substance Use Recovery: A Qualitative Analysis, Tiffany Champagne-Langabeer, Audrey Sarah Cohen, Kriti Shrestha, Jie Zhu, Audrey Lopez, Alisha Campbell, Christine Bakos-Block
Exploring Boundaries With Food, Substances, And People In Substance Use Recovery: A Qualitative Analysis, Tiffany Champagne-Langabeer, Audrey Sarah Cohen, Kriti Shrestha, Jie Zhu, Audrey Lopez, Alisha Campbell, Christine Bakos-Block
Faculty, Staff and Student Publications
Background: In the United States, over 47 million youth and adults live with a substance use disorder (SUD). These individuals are frequently malnourished and have metabolic dysregulation as a result. Nutrition interventions incorporating a mindfulness-based approach help recovery efforts that are physical and mental.
Objective: The objective of this study was to explore and analyze the perspectives and experiences of individuals with SUD regarding emotional regulation and nutrition. The study used a mixed methods approach to generate insights for improving recovery support and developing future interventions.
Design: In 2024, an exploratory mixed methods study was conducted based on a large …
Appearance Over Function - The Impact Of Long-Term Oral Contraceptive Use On Brain Development, Breast Tissue Composition, And Future Lactation Outcomes, Fiona M. Wang
Dissertations
This integrative review examines the long-term effects of combined oral contraceptive (COC) use beginning in puberty on brain development, breast tissue composition, and future breastfeeding outcomes. Puberty is a critical developmental stage during which hormonal changes significantly impact the neurological and reproductive systems. The introduction of synthetic estrogen and progestin through COC use during this time may disrupt natural hormonal pathways, potentially altering neuroendocrine signaling and breast tissue maturation. Such changes may have lasting consequences, including impaired milk production, a weakened milk ejection reflex, disrupted maternal-infant bonding, and reduced overall breastfeeding success. The review synthesizes findings from endocrinology, neuroscience, and …
The Effects Of Early Life Rearing Experiences And Age On Sociality In Captive Olive Baboons (Papio Anubis), Angela M. Achorn, Michele M. Mulholland, Chet C. Sherwood, Soojin V. Yi, William D. Hopkins
The Effects Of Early Life Rearing Experiences And Age On Sociality In Captive Olive Baboons (Papio Anubis), Angela M. Achorn, Michele M. Mulholland, Chet C. Sherwood, Soojin V. Yi, William D. Hopkins
Anthropology Faculty Publications
Social connections within primate groups are continuously changing, and an individual's connectedness within their social network can have important consequences on morbidity and mortality. Here, we examined the effects of early life social experiences and age on social connectedness of captive female olive baboons (Papio anubis). Subjects included 54 mother-reared (MR) and 35 nursery-reared (NR) baboons (4.03 to 19.8 years of age). We conducted four 15-min focal observations and recorded all social interactions. For every possible dyad, we calculated total amount of time in proximity to one another and total amount of time spent grooming (in each direction), then used …
Which Score For What? Operationalizing Standardized Cognitive Test Performance For The Assessment Of Change, Cristan Farmer, Audrey Thurm, Tanvi Das, E Martina Bebin, Jonathan A Bernstein, Elizabeth Berry-Kravis, Joseph D Buxbaum, Charis Eng, Thomas Frazier, Antonio Y Hardan, Alexander Kolevzon, Darcy A Krueger, Julian A Martinez-Agosto, Hope Northrup, Craig M Powell, Latha Valluripalli Soorya, Joyce Y Wu, Mustafa Sahin, Developmental Synaptopathies Consortium
Which Score For What? Operationalizing Standardized Cognitive Test Performance For The Assessment Of Change, Cristan Farmer, Audrey Thurm, Tanvi Das, E Martina Bebin, Jonathan A Bernstein, Elizabeth Berry-Kravis, Joseph D Buxbaum, Charis Eng, Thomas Frazier, Antonio Y Hardan, Alexander Kolevzon, Darcy A Krueger, Julian A Martinez-Agosto, Hope Northrup, Craig M Powell, Latha Valluripalli Soorya, Joyce Y Wu, Mustafa Sahin, Developmental Synaptopathies Consortium
Faculty, Staff and Student Publications
Developmental domains, such as cognitive, language, and motor, are key concepts of interest in longitudinal studies of intellectual and developmental disabilities (IDD). Normative scores (e.g., IQ) are often used to operationalize performance on standardized tests of these concepts, but it is the interval-distributed person-ability scores that are intended for the assessment of within-individual change. Here we illustrate the use and interpretation of several Stanford Binet, 5th Edition score types (IQ, extended IQ, Z-normalized raw score, developmental quotient, raw sum score, age equivalent, and ability score) using data from two longitudinal studies of rare genetic conditions associated with IDD. We found …
The Late Positive Potential Predicts Contingency Management Outcomes For Cocaine Use Disorder, Heather E Webber, Douglas J Calvillo, Francesco Versace, Constanza De Dios, Robert Suchting, Charles E Green, Scott D Lane, Joy M Schmitz
The Late Positive Potential Predicts Contingency Management Outcomes For Cocaine Use Disorder, Heather E Webber, Douglas J Calvillo, Francesco Versace, Constanza De Dios, Robert Suchting, Charles E Green, Scott D Lane, Joy M Schmitz
Faculty, Staff and Student Publications
Contingency management (CM) relies on motivation and reward processing and is among the most effective treatments available for cocaine use disorder (CUD), yet success rates do not meet desired clinical efficacy. To improve treatment-individual fit, we investigated the late positive potential (LPP), a measure of incentive salience to cues, as a predictor of treatment response. Treatment-seeking adults with CUD (N = 58) completed an EEG task where they viewed pleasant, unpleasant, cocaine, and neutral images. Participants received CM and counseling for four weeks. Urine was collected thrice weekly. We defined incentive salience to cues by A) cluster analyses on LPP …
Peripartum Depression Pharmacotherapies Targeting Gaba-Glutamate Neurotransmission, Alan C Courtes, Louisa Smitherman, Lokesh Shahani, Jair C Soares, Laura Goetzl, Rodrigo Machado-Vieira
Peripartum Depression Pharmacotherapies Targeting Gaba-Glutamate Neurotransmission, Alan C Courtes, Louisa Smitherman, Lokesh Shahani, Jair C Soares, Laura Goetzl, Rodrigo Machado-Vieira
Faculty, Staff and Student Publications
Peripartum depression (PPD) represents a significant public health concern, affecting 10-17% of women globally. Traditional monoaminergic treatments demonstrate limited efficacy and delayed onset of action. The glutamate-GABA imbalance hypothesis provides a novel theoretical framework for understanding depression pathophysiology and developing targeted therapeutic interventions. This review examines emerging pharmacotherapeutic approaches targeting glutamatergic and GABAergic neurotransmitter systems for PPD treatment. Search criteria targeted randomized clinical trials investigating GABA-A-positive allosteric modulators (brexanolone, zuranolone, and ganaxolone) and NMDA receptor antagonists (ketamine and esketamine) in PPD patients. Brexanolone was the first neurosteroid to receive FDA approval for PPD, while zuranolone also shows promise. Ketamine and …
Exploring Boundaries With Food, Substances, And People In Substance Use Recovery: A Qualitative Analysis, Tiffany Champagne-Langabeer, Audrey Sarah Cohen, Kriti Shrestha, Jie Zhu, Audrey Lopez, Alisha Campbell, Christine Bakos-Block
Exploring Boundaries With Food, Substances, And People In Substance Use Recovery: A Qualitative Analysis, Tiffany Champagne-Langabeer, Audrey Sarah Cohen, Kriti Shrestha, Jie Zhu, Audrey Lopez, Alisha Campbell, Christine Bakos-Block
Faculty, Staff and Student Publications
Background: In the United States, over 47 million youth and adults live with a substance use disorder (SUD). These individuals are frequently malnourished and have metabolic dysregulation as a result. Nutrition interventions incorporating a mindfulness-based approach help recovery efforts that are physical and mental.
Objective: The objective of this study was to explore and analyze the perspectives and experiences of individuals with SUD regarding emotional regulation and nutrition. The study used a mixed methods approach to generate insights for improving recovery support and developing future interventions.
Design: In 2024, an exploratory mixed methods study was conducted based on a large …
Sex Disparities In Chlamydia And Gonorrhea Treatment In Us Adult Emergency Departments: A Systematic Review And Meta-Analysis, Rachel E Solnick, Rahi Patel, Ethan Chang, Carmen Vargas-Torres, Maaz Munawar, Carlin Pendell, Judith E Smith, Ethan Cowan, Keith E Kocher, Roland C Merchant
Sex Disparities In Chlamydia And Gonorrhea Treatment In Us Adult Emergency Departments: A Systematic Review And Meta-Analysis, Rachel E Solnick, Rahi Patel, Ethan Chang, Carmen Vargas-Torres, Maaz Munawar, Carlin Pendell, Judith E Smith, Ethan Cowan, Keith E Kocher, Roland C Merchant
Faculty, Staff and Student Publications
BACKGROUND: Empiric antibiotic treatment for gonorrhea (GC) and chlamydia (CT) is common in U.S. emergency departments (EDs) due to the delayed availability of test results. Local studies have identified sex-based disparities in sexually transmitted infection (STI) care, with females potentially receiving less empiric treatment than males. This study evaluates how STI treatment aligns with laboratory-confirmed results to quantify potential overtreatment and undertreatment rates and investigates sex differences for these outcomes.
METHODS: We conducted a preregistered (PROSPERO #241429) systematic review and meta-analysis of studies published between January 2010 and January 2025 in U.S. EDs, excluding studies conducted exclusively in pediatric settings. …
Systematic Review And Evidence Gap Mapping Of Alzheimer's Disease Biomarker Studies In Those With Intellectual And Developmental Disability, Lubnaa B. Abdullah, Ney Alex Alliey, Emma Elizondo, Ney Alliey Rodriguez, Gladys Maestre, James Hall
Systematic Review And Evidence Gap Mapping Of Alzheimer's Disease Biomarker Studies In Those With Intellectual And Developmental Disability, Lubnaa B. Abdullah, Ney Alex Alliey, Emma Elizondo, Ney Alliey Rodriguez, Gladys Maestre, James Hall
School of Medicine Publications
There are a relatively small number of investigations into brain aging in those with intellectual and developmental disability (I/DD). This project seeks to (1) characterize the internationally available multi-omics Alzheimer's disease (AD) biomarker studies including those with I/DD, and (2) discuss future research directions. PubMed, Web of Science, and Scopus were searched under the following criteria: cross-sectional or longitudinal AD-omics studies on adults (18 +) with I/DD. 532 studies were identified, 186 studies were evaluated for full-text, 79 studies were excluded, and 117 studies were extracted. Most biological specimens were analyzed in blood, plasma, or serum. Metabolomics, hormonomics, and transcriptomics …
The Sonic Hedgehog Effector Smoothened Modulates Cholinergic Interneuron Activity, Physiology, And Striatum-Dependent Behaviors, Santiago Uribe-Cano
The Sonic Hedgehog Effector Smoothened Modulates Cholinergic Interneuron Activity, Physiology, And Striatum-Dependent Behaviors, Santiago Uribe-Cano
Dissertations, Theses, and Capstone Projects
The striatum is a central node in action selection and associative learning, integrating cortical, thalamic, and neuromodulatory input. Among its principal modulators, dopamine (DA) and acetylcholine (ACh) are known for their temporally coordinated yet mechanistically distinct influences on striatal output. However, the upstream signals that regulate their dynamic interplay, particularly within cholinergic interneurons (CINs)—the primary source of striatal ACh—remain incompletely characterized. This dissertation investigates the role of Smoothened (Smo), a G protein-coupled receptor (GPCR) effector of Sonic Hedgehog (Shh) signaling, in modulating ACh signaling dynamics in the striatum.
Building on evidence that midbrain DA neurons co-release Shh and that CINs …
Non-Linear Heart Rate Variability: Investigating Cardiac Complexity Of Psychopathic Traits, Khaya A. Roach
Non-Linear Heart Rate Variability: Investigating Cardiac Complexity Of Psychopathic Traits, Khaya A. Roach
Dissertations, Theses, and Capstone Projects
Psychopathy is a complex personality disorder characterized by distinct emotional and interpersonal deficits, and affects approximately 25% of the prison population and 4.5% of nonincarcerated populations. The manifestation of psychopathy can be understood through two distinct variants, each demonstrating unique etiological pathways and clinical presentations. Primary psychopathy is characterized by core interpersonal and affective deficits, including shallow emotions and manipulativeness, while demonstrating reduced autonomic responsivity and lower anxiety levels. Secondary psychopathy presents with higher levels of impulsivity, anxiety, and emotional dysregulation, showing stronger associations with various psychopathologies. Treatment outcomes also vary between the variants, with primary psychopaths typically showing poor …
Mechanisms Of Sleep Regulation In Drosophila Melanogaster, Anfal A. Abuhilal
Mechanisms Of Sleep Regulation In Drosophila Melanogaster, Anfal A. Abuhilal
Dissertations, Theses, and Capstone Projects
Sleep is a fundamental biological need, and sufficient sleep is required for physical and mental well-being. Sleep is regulated by two biological mechanisms: sleep-wake homeostasis and circadian rhythm. Circadian rhythms are near 24-h rhythms in behavior and physiology that are generated by endogenous mechanisms. In mammals, the suprachiasmatic nucleus (SCN) is the central circadian pacemaker, which is known to receive a significant amount of serotonergic input that likely modulates sleep rhythms. In addition to circadian modulation, sleep is subject to homeostatic regulation. Several neuromodulators have been proposed as mediators of sleep homeostasis. Serotonin has been implicated in sleep drive and …
Unveiling The Precision Of Physiological Signals In Prediction Error During Fear Learning: Insights From Associative Strength And Generalized Uncertainty, Haja H. Jallo-Jamboria
Unveiling The Precision Of Physiological Signals In Prediction Error During Fear Learning: Insights From Associative Strength And Generalized Uncertainty, Haja H. Jallo-Jamboria
Dissertations, Theses, and Capstone Projects
Prediction error (PE) is the discrepancy between expected and actual outcomes. It is a central mechanism in associative learning particularly within fear-conditioning paradigms. Identifying physiological markers of PE in aversive contexts has important implications for refining learning models and enhancing clinical interventions for anxiety-related disorders. This study examined skin conductance response (SCR) as a potential physiological index of PE by analyzing both anticipatory and omission-related responses across multiple learning phases. Participants completed a Pavlovian fear-conditioning paradigm in which two conditioned stimuli (CS+) signaled threat at different reinforcement probabilities: CS+100 (certain threat) and CS+50 (uncertain threat), alongside a non-reinforced safety cue …
Behavioral Biomarkers Of Vulnerability In The Aba Model, Nora Ozer
Behavioral Biomarkers Of Vulnerability In The Aba Model, Nora Ozer
Dissertations, Theses, and Capstone Projects
Anorexia nervosa (AN) is a severe psychiatric disorder with the highest mortality rate among mental health conditions, yet effective biological treatments remain limited. The activity-based anorexia (ABA) paradigm, which combines food restriction with wheel access to model the hyperactivity and self-starvation cycle characteristic of AN, shows considerable individual variability in vulnerability. Understanding what predisposes certain individuals to develop the full ABA phenotype while others remain resilient could inform early intervention strategies for human AN. This study employed continuous behavioral monitoring technology to identify early predictors of vulnerability to activity-based anorexia in mice, with the goal of discovering behavioral biomarkers that …
Heightened Risk: Childhood Trauma And Anticipatory Grief Exacerbate The Impact Of Loneliness On Depressive Symptoms And Lps-Stimulated Cytokines In Dementia Caregivers, Kelly N Brice, Jensine Paoletti-Hatcher, E Lydia Wu-Chung, Vincent D Lai, Daniel L Argueta, Michelle A Chen, Itee Mahant, Bryan T Denny, Charles Green, Luis D Medina, Paul Schulz, Jennifer Stinson, Samantha K Henry, Cobi Heijnen, Christopher P Fagundes
Heightened Risk: Childhood Trauma And Anticipatory Grief Exacerbate The Impact Of Loneliness On Depressive Symptoms And Lps-Stimulated Cytokines In Dementia Caregivers, Kelly N Brice, Jensine Paoletti-Hatcher, E Lydia Wu-Chung, Vincent D Lai, Daniel L Argueta, Michelle A Chen, Itee Mahant, Bryan T Denny, Charles Green, Luis D Medina, Paul Schulz, Jennifer Stinson, Samantha K Henry, Cobi Heijnen, Christopher P Fagundes
Faculty, Staff and Student Publications
Dementia spousal caregivers are at a disproportionate risk for adverse mental and physical health outcomes. Loneliness is associated with depressive symptoms and proinflammatory cytokine production among caregivers. Additionally, childhood trauma, anticipatory grief, and poor sleep quality are all associated with enhanced stress reactivity. This study used a cross-sectional design to investigate whether loneliness is associated with proinflammatory cytokine production and depressive symptoms in caregivers, and whether these relationships are strongest among caregivers who report high levels of childhood trauma, high amounts of anticipatory grief, or poor sleep quality. A sample of 111 dementia spousal caregivers provided blood samples and completed …
Optimizing Hip And Knee Assistance For Walking And Sit-To-Stand Transitions: An Intrinsic Muscle Mechanics Based Predictive Approach, Neethan Ratnakumar
Optimizing Hip And Knee Assistance For Walking And Sit-To-Stand Transitions: An Intrinsic Muscle Mechanics Based Predictive Approach, Neethan Ratnakumar
Dissertations
As the global population ages, the demand for wearable assistive technologies continues to rise, driven by their potential to enhance mobility and independence in older adults. Effectively designed controllers for lower-limb exoskeletons to assist sit-to-stand (STS) and walking are crucial for delivering efficient, safe, and comfortable assistance during daily activities. Traditionally, controller optimization involves biomechanical modeling and user-specific customization. Musculoskeletal simulations play a central role in this process by providing insights into human-exoskeleton interaction dynamics, thereby informing and refining control strategies.
This work presents a simulation-driven approach for developing exoskeleton controllers for walking and STS using two distinct methods: optimal …
Investigating The Association Between Hyperthyroidism And The Risk Of Herpes Zoster In A Cohort Study In Taiwan, Shih-Wei Lai, Yu-Hung Kuo, Kuan-Fu Liao
Investigating The Association Between Hyperthyroidism And The Risk Of Herpes Zoster In A Cohort Study In Taiwan, Shih-Wei Lai, Yu-Hung Kuo, Kuan-Fu Liao
BioMedicine
Background: The aim of this cohort study was to investigate the association between hyperthyroidism and the likelihood of developing herpes zoster in Taiwan.
Methods: Using the National Health Insurance Research Database (NHIRD) in Taiwan, we selected individuals aged 20-84 who were newly diagnosed with hyperthyroidism between 2013 and 2020 as the hyperthyroidism group. These individuals were then matched with a control group without hyperthyroidism in a 1:1 propensity score matching for sex, age, and baseline comorbidities. The occurrence of herpes zoster was tracked in both groups until the end of the study period or until a diagnosis of herpes zoster …
Difference In Knee Joint Structure And Lower Extremity Functioning Among People With Varying Severity Of Knee Osteoarthritis: A Cross-Sectional Study, Shubham Tawade, Rajani Mullerpatan Dr., Bela Agarwal Dr.
Difference In Knee Joint Structure And Lower Extremity Functioning Among People With Varying Severity Of Knee Osteoarthritis: A Cross-Sectional Study, Shubham Tawade, Rajani Mullerpatan Dr., Bela Agarwal Dr.
International Journal of Exercise Science
International Journal of Exercise Science 18(5): 910-921, 2025. Osteoarthritis (OA) is a highly prevalent musculoskeletal condition. It is reported that knee OA progressively affects lower-extremity functioning. Evidence is lacking on when there is a substantial decline in function and whether this trend differs between males and females and disease severity. This study aimed to examine influence of gender and increasing grade of knee OA on lower-extremity function. Following Institutional Ethical Committee approval and signed-informed consent, 115 participants (57-males, 58-females), aged 40-65 years, with diagnosed knee OA (grade 1-4) were recruited. Lower-extremity function was studied using reliable and valid outcome …
Amplifying Voices In The Midst Of A Substance Use Crisis: Storyvisual Approach, John E. Stewart, Victoria Wagner-Greene
Amplifying Voices In The Midst Of A Substance Use Crisis: Storyvisual Approach, John E. Stewart, Victoria Wagner-Greene
The RAISE Center Journal
The United States is experiencing an unprecedented substance use crisis. Strategies are needed to engage, inform and empower young adults and others affected either directly or indirectly by substance use. Based on visual information processing and storytelling theories, the StoryVisual approach is a visual communication method that combines powerful web-sourced graphics with minimal text to relate valuable information, experiences, perspectives, and opportunities in story form. To date, more than 240 students in substance use education classes at a public university in Texas have created and shared StoryVisual products, addressing such drug-related topics as vaping, fentanyl, heroin, LSD, marijuana, and substance …
Risk Of Major Depression In Partners Of People With Alzheimer's Disease: A National Cohort Study, Casey Crump, Jingkai Wei, Barbara G Vickrey, Alexis C Edwards, Paul E Schulz, Weiva Sieh, Jan Sundquist, Kristina Sundquist
Risk Of Major Depression In Partners Of People With Alzheimer's Disease: A National Cohort Study, Casey Crump, Jingkai Wei, Barbara G Vickrey, Alexis C Edwards, Paul E Schulz, Weiva Sieh, Jan Sundquist, Kristina Sundquist
Faculty, Staff and Student Publications
Background: Alzheimer's disease (AD) may cause significant psychosocial distress not only in the patient but also their partner. However, long-term risks of major depression in partners of AD patients are largely unknown.
Methods: A national cohort study was conducted of all 145 289 partners of people diagnosed with all-cause dementia, including 57 113 partners of people diagnosed with AD, in Sweden during 1998-2017, and 1 300 561 population-based controls. Cox regression was used to compute hazard ratios (HRs) for subsequent risk of major depression identified from nationwide outpatient and inpatient diagnoses through 2018, adjusting for sociodemographic factors and prior mental …