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Modeling Resilience In Resetttled Syrian Refugees With Disabilities Living In The United States, Nicholas Ryan Sherwood Jan 2019

Modeling Resilience In Resetttled Syrian Refugees With Disabilities Living In The United States, Nicholas Ryan Sherwood

All ETDs from UAB

Since 2011, the ongoing conflict in Syria displaces millions of individuals, many of whom have resettled across foreign borders. The US currently hosts 21,000 Syrian refugees, and of these, approximately 5,000 have at least one type of disability. This thesis asks of these individuals: given your experience as a person with a disability who has survived state-sanctioned violence and navigated forced migration, what have been your greatest sources of strength and resilience? Utilizing systems theory and a transdisciplinary approach, this thesis examines how three forms of identity promote community, interpersonal, and intrapersonal resilience within the target population.

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Transition Into Adulthood: Cannabis Use And Mental Health, Katie Mcintyre Jan 2019

Transition Into Adulthood: Cannabis Use And Mental Health, Katie Mcintyre

All ETDs from UAB

The US is currently experiencing sweeping changes in the legal status of cannabis, the most common illicit drug used in America. Due to its classification as a Schedule I substance we know very little about how cannabis use impacts mental health since illicit drugs are not legally allowed to be researched in a laboratory setting. The current research on cannabis use (CU) and mental health (MH) is expansive and conflicting. One side of the debate suggests CU in adolescence has a direct effect on MH, the other side suggests CU could be an indirect coping mechanism of poor MH. One …

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Biopsychosocial Correlates Of Pain In Youth With Eosinophilic Esophagitis: A Comparison To Other Pediatric Patients, Mary Kenna Lynch Jan 2019

Biopsychosocial Correlates Of Pain In Youth With Eosinophilic Esophagitis: A Comparison To Other Pediatric Patients, Mary Kenna Lynch

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EoE is a chronic, clinico-pathological, esophageal disease with symptoms that include dysphagia, reflux, vomiting, feeding aversion, and epigastric pain. Diagnosis requires clinical symptom presentation and histologic findings of eosinophil-predominant inflammation of the esophagus. While the pediatric patient’s epigastric pain is predictive of their quality of life, little is known about their pain experience. Through two studies, the pain experience, sleep quality, and internalizing symptoms of youth with Eosinophilic Esophagitis (EoE) have been examined. Through individually evaluating each of these factors as well as testing their relations with each other, the model proposed by Lynch and colleagues (2015) to understand the …

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An Investigation Of Histocompatibility Testing And Mhc Class I In Xenotransplantation, Gregory Ryan Martens Jan 2019

An Investigation Of Histocompatibility Testing And Mhc Class I In Xenotransplantation, Gregory Ryan Martens

All ETDs from UAB

In the United States, hundreds of thousands of patients suffer from end-stage organ failure or terminal diseases without the option of a life-saving transplant because of severe organ shortages. Xenotransplantation offers a possible solution by using genetically engineered pigs as organ donors. Application of pig-to-human organ transplantation has been limited by antibody-mediated rejection (AMR), but recent genetic engineering advances have eliminated pig glycan xenoantigens and dramatically reduced antibody binding. In human-to-human transplantation, allotransplantation, AMR is prevented by pretransplant screening donors and recipients. The major histocompatibility complex (MHC), class I and II, are primary targets for antibodies and may also bind …

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Appropriately Timed Epigenetic Manipulation With Histone Deacetylase Inhibitors As A Platform Approach To Tumor Immunotherapy, Tyler Mccaw Jan 2019

Appropriately Timed Epigenetic Manipulation With Histone Deacetylase Inhibitors As A Platform Approach To Tumor Immunotherapy, Tyler Mccaw

All ETDs from UAB

In contrast to chemotherapy and radiotherapy, immunotherapy is able to respond in proportion to tumor burden and continue to evolve in parallel with the tumor mass and metastatic sites. In this way, immune-based cancer therapies are a living drug and hold enormous potential. In this work, we enforce expression of MHCII on a murine breast cancer model to study how changes in tumor biology can drive improved T cell-mediated responses. We next use histone deacetylase inhibitors to manipulate the microenvironment through a more clinically relevant, therapeutic approach. Herein, improvements in tumor control were driven by CD8 T cells and IFNγ, …

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Occupational Therapy Students’ Perceptions Of Individuals With Mental Illness Before And After A Service-Learning Experience, Valley Mccurry Jan 2019

Occupational Therapy Students’ Perceptions Of Individuals With Mental Illness Before And After A Service-Learning Experience, Valley Mccurry

All ETDs from UAB

Service-learning is a pedagogical approach that allows occupational therapy students to engage in experiential learning with individuals who have mental illness. Perceptions of individuals with mental illness are influenced by factors such as societal stigma. Stigma is present among allied health professionals and students, including occupational therapy students, which may influence provision of care. In order to assess occupational therapy students’ level of comfort with the mental health population, this study used a convergent mixed methods approach to evaluate how students’ personal beliefs and self-efficacy changed after a service-learning experience at a homeless shelter. The study explored occupational therapy students’ …

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Amyloid And White Mater Hyperintensity Burden In The Stroke Belt, Emily Carol Mckinley Jan 2019

Amyloid And White Mater Hyperintensity Burden In The Stroke Belt, Emily Carol Mckinley

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Several large cohort studies have found associations between residence in the Stroke Belt and cognitive impairment as well as dementia mortality; however, the rela-tionship between residence in the Stroke Belt and buildup of amyloid has not been estab-lished. The current project assessed the association between residence in the Stroke Belt and amyloid burden, amyloid accumulation, or white matter hyperintensities (WMH) in a large, national cohort of older US residents. The first study used linear regression models to examine the relationship between geographic residence and Centiloid values. Residence in the Stroke Belt at the time of baseline amyloid PET assessment was …

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Ribosomal Rna Synthesis Is Regulated By Pathways That Respond To Environmental And Stress Conditions, Saman Najmi Jan 2019

Ribosomal Rna Synthesis Is Regulated By Pathways That Respond To Environmental And Stress Conditions, Saman Najmi

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Ribosome biogenesis is one of the most central processes to cellular growth and metabolism. The synthesis of ribosomal RNA (rRNA) by RNA polymerase I (Pol I) is thought to be rate limiting for ribosome biogenesis, and is therefore subject to extensive regulation. The work presented in this dissertation characterizes two previously undiscovered pathways regulating rRNA synthesis. Due to the direct connection between ribosome biogenesis (and rRNA synthesis) and cellular proliferative potential, Pol I activity is upregulated in cancers. Cancer cells are hypersensitive to inhibition of Pol I, a quality that makes Pol I an attractive target for anticancer therapeutics. The …

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Genome Sequencing To Identify Novel Developmental Disorder Variation, Matthew Neu Jan 2019

Genome Sequencing To Identify Novel Developmental Disorder Variation, Matthew Neu

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The ability to quickly and accurately catalog an individual's genetic variation through genome sequencing has ignited a new era of diagnostic and therapeutic development for heritable disease. Although genome sequencing can provide a molecular diagnosis in a significant number of patients with suspected genetic disease, there remain a number of unsolved cases for which no pathogenic cause can be determined. This uncertainty can create a "diagnostic odyssey" in which sequential tests fail to provide a diagnostic resolution and can often delay beneficial treatment, impact family planning, and be emotionally challenging for patients and their families. Clearly, there is an unmet …

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Dna Template Sequence Effects On Rna Polymerase I Transcription Elongation, Andrew Martin Clarke Jan 2019

Dna Template Sequence Effects On Rna Polymerase I Transcription Elongation, Andrew Martin Clarke

All ETDs from UAB

The production of ribosomes represents the major synthetic effort of a rapidly dividing cell, and is intimately linked to the regulation of cell growth and proliferation. Developing a greater understanding of the mechanisms that regulate ribosome biogenesis is therefore crucial to understanding cellular control of the growth cycle. Ribosome biogenesis begins with the synthesis of the 35S ribosomal RNA (rRNA) by RNA polymerase I (Pol I). This RNA is co- and post-transcriptionally processed to produce the 18S, 5.8S, and 25S rRNAs. These RNAs are critical components of ribosomes, and Pol I has been demonstrated to be a key regulation target …

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Examining The Role Of The Unfolded Protein Response In Depression, Matthew Timberlake Jan 2019

Examining The Role Of The Unfolded Protein Response In Depression, Matthew Timberlake

All ETDs from UAB

Depression is the leading cause of disability worldwide and impacts nearly 350 million people with a disproportionate representation in women with a 1:1.7 ratio of occurrence compared to men. This disorder is characterized by shifts in mood to include feelings of hopelessness, sadness, and lethargy as well as changes in diet, motivation, and sleep patterns. Further, over 50% of patients who struggle with depression also have suicidal ideation and as many as 10% of those commit suicide. At present, treatment plans include behavioral therapy (often) in conjunction with antidepressant medications which act on monoamines and their circuits in the central …

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Influencing The Positive Mental Health Of Non-Kinship Foster Children: The Lived Experiences Of Foster Parents In Alabama, Sarah Catherine Tucker Jan 2019

Influencing The Positive Mental Health Of Non-Kinship Foster Children: The Lived Experiences Of Foster Parents In Alabama, Sarah Catherine Tucker

All ETDs from UAB

This Interpretive Phenomenological Analysis (IPA) qualitative study interviewed fifteen non-kinship foster parents in Alabama to explore their lived experiences of influencing the positive mental health of their foster children. This phenomenological approach allowed for a deeper understanding of the challenges foster caregivers face when facilitating improved psychological and social well-being of their foster children. In 2015, there were 427,910 children in foster care, with 45% of these children residing in a non-kinship foster home (Adoption and Foster Care Analysis and Reporting System [AFCARS], 2016). Children in foster care, especially children in non-kinship care arrangements, often have significant and complex mental …

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Effect Of Antidepressants On Cytokines Profiles Seen In Inflamed Tissue And Serum Samples In Patients With Moderate Chronic Periodontitis, Silvia M. Villalobos Jan 2019

Effect Of Antidepressants On Cytokines Profiles Seen In Inflamed Tissue And Serum Samples In Patients With Moderate Chronic Periodontitis, Silvia M. Villalobos

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This study evaluated whether depression with or without the use of antidepressant was associated with changes in inflammatory markers, intraorally and systemically, GCF volume, serum biomarker levels. Cross-sectional data were collected from individuals with moderate periodontitis who were assigned to one of three groups based upon their medical history, medication usage, and answers to a validated survey instrument that assessed their level of clinical depression. Three groups of patients were compared: 1) patients with clinically diagnosed depression taking antidepressant medications [selective serotonin reuptake inhibitors (SSRIs), norepinephrine-dopamine reuptake inhibitor (NDRIs), or serotonin and norepinephrine reuptake inhibitors (SNRIs)]. 2) patients with clinically …

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Novel Biomarkers For Parkinson Disease, Shijie Wang Jan 2019

Novel Biomarkers For Parkinson Disease, Shijie Wang

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Parkinson disease (PD) is the second most common neurodegenerative disorder with no reliable biochemical biomarkers for disease prediction or progression, nor disease-modifying treatments to slow the relentless progression. Mutations in the leucine-rich repeat kinase 2 (LRRK2) gene are known to increase LRRK2 kinase activity and increase the risk for late-onset PD. In this thesis, I discovered that LRRK2 is secreted into exosomes in urine and CSF, where LRRK2 kinase activity, reflected by autophosphorylation at pS1292 site, is preserved and reflective of cytosolic LRRK2 levels. In a cohort of biosamples from LRRK2 mutation carriers and matched controls, with and without PD, …

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Discovering The Genetic Architecture Underlying Exercise Response Using Drosophila Melanogaster, Louis P. Watanabe Jan 2019

Discovering The Genetic Architecture Underlying Exercise Response Using Drosophila Melanogaster, Louis P. Watanabe

All ETDs from UAB

The growth of modern jobs, technology, and transportation has coincided with increased sedentary behavior in many developed nations. In the United States, this increase has contributed partially to rising rates of obesity, leading to more than 78 million obese individuals. The annual medical costs associated with obesity are thought to range from 147 to 210 billion dollars. The initial treatment recommendations for individuals with obesity are increased exercise and changes in diet. Despite the strong narrative pushing exercise as a health benefit, individual responses can vary widely, and little is known regarding the genetic networks modulating exercise response. In order …

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Using Peptide Mimetics To Probe Protein-Protein Interactions Significant In Cancers, Robert H. Whitaker Jan 2019

Using Peptide Mimetics To Probe Protein-Protein Interactions Significant In Cancers, Robert H. Whitaker

All ETDs from UAB

Protein-protein interactions are critical for cell life. One aspect of cellular regulation where such protein-protein interactions occur is in the highly regulated process of programmed cell death (or apoptosis). Apoptosis is critical for normal tissue homeostasis, differentiation, and if dysregulated is a driver of disease including cancers. At the center of apoptotic regulation is the BCL2 protein family whose intra-familial protein-protein interactions balance cell stress signaling either allowing the cell to survive or inducing mitochondrial cell death. These BCL2 protein interactions are accomplished through the BH3 motif. While unique to the BCL2 family, a similar motif, the reverse BH3, has …

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Perceptions Of The Police By Queer Women, Marshall Lorraine White Jan 2019

Perceptions Of The Police By Queer Women, Marshall Lorraine White

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Queer communities have historically had a strained relationship with the police. In recent years, scholars have begun to examine perceptions of the police by these communities in an attempt to fill an important gap in the literature. The current study examines perceptions of the police by queer women in Birmingham, AL. The focus on queer women is attributed to recent findings that queer women (lesbian, bisexual, transgender, etc.) report more negative perceptions of the police than others in queer communities. Semi-structured interviews were conducted with 17 self-identified White, queer women about their experiences growing up, broad views about the police, …

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Examining Web-Based Lifestyle Interventions For Cancer Survivors, Victoria Williams Jan 2019

Examining Web-Based Lifestyle Interventions For Cancer Survivors, Victoria Williams

All ETDs from UAB

Diet, physical activity, and body weight status are important modifiable risk factors for many health outcomes among cancer survivors, including cancer recurrence. Face-to-face, print, and mailed lifestyle interventions have been used to promote behavior change in cancer survivors successfully. However, such approaches are costly and have limited reach. Web-based lifestyle interventions represent a promising solution to this public health concern. Therefore, this project involved first reviewing and identifying gaps in the existing literature in this area and then developing and pilot testing a web-based lifestyle intervention for cancer survivors. For this three-part dissertation, study 1 was a narrative review of …

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Genetic And Epigenetic Underpinnings Of End-Stage Human Heart Failure, Mark Emile Pepin Jan 2019

Genetic And Epigenetic Underpinnings Of End-Stage Human Heart Failure, Mark Emile Pepin

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Heart failure (HF) is the clinical endpoint of numerous diseases that negatively impact the heart’s capacity to pump and/or fill with blood. A variety of genetic and environmental factors have been identified as critical determinants of HF susceptibility; however, these factors cannot independently explain the phenotypic diversity of human HF. Instead, a complex interplay has been theorized to exist between genetics and the environment, although the molecular underpinnings of this synergy remain poorly understood. Of the possible mechanisms, epigenetic influences are uniquely capable of explaining how acute stressors of the cardiac microenvironment trigger the stable – yet reversible – reprogramming …

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The Closed Eye As A Model For Dry Eye Disease, Cameron Kenneth Postnikoff Jan 2019

The Closed Eye As A Model For Dry Eye Disease, Cameron Kenneth Postnikoff

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Every night, during sleep, the tears of the closed eye become significantly more inflammatory, with a notable influx of neutrophils. Preliminary studies suggested that these neutrophils were significantly different than blood-isolated neutrophils, with an increased concentration, upregulated surface expression of inflammatory membrane receptors, but inability to respond to inflammatory stimuli. The purpose of this dissertation was to better understand the contribution of this neutrophil population to ocular surface homeostasis and dry eye disease. Chapter One presents an introduction to the tear film and ocular surface, along with an introduction to dry eye disease and neutrophil biology. Chapter One also discusses …

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Impact Of Environmental Exposures On Respiratory Health, Lawrence Rasmussen Jan 2019

Impact Of Environmental Exposures On Respiratory Health, Lawrence Rasmussen

All ETDs from UAB

Chronic obstructive pulmonary disease (COPD) is a leading cause of morbidity and mortality around the world. Cigarette smoking is a leading cause of COPD; similarly, individuals exposed to secondhand smoke (SHS) are also vulnerable to COPD and other airway diseases; however, distinct molecular mechanisms involved in SHS-induced lung effects that result in COPD are poorly understood. Mucociliary clearance (MCC) is a primary lung defense against inhaled particulate matter and pathogens. Thus, understanding how inhaled irritants such as SHS disrupt MCC will promote improved scientific understanding and better public health initiatives to prevent respiratory illnesses. Using a variety of in vitro …

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Emergence Of Restricted Repetitive Behaviors In Individuals With Autism Spectrum Disorder And Tuberous Sclerosis Complex, Helen Root Jan 2019

Emergence Of Restricted Repetitive Behaviors In Individuals With Autism Spectrum Disorder And Tuberous Sclerosis Complex, Helen Root

All ETDs from UAB

Genetic disorders are ideal populations through which to study the development of Autism Spectrum Disorder (ASD; Moss, Richards, Nelson & Oliver, 2012). Tuberous Sclerosis Complex (TSC) is a particularly compelling population due to the high prevalence of ASD and prenatal diagnostic ability (Jeste, Wu, Senturk, Varcin, McCarthy, Shimzu, ScM, Vogel-Farley, Sahin & Nelson, 2014; McDonald, Varcin, Bhatt, Wu, Sahin, Nelson & Jeste, 2017; Sundberg & Sahin, 2015). However, findings related to the two core symptom domains of ASD within TSC are mixed, with little research examining restricted repetitive behaviors (RRBs). The current study aimed to define the presence and profile …

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Uncovering The Role Of Women In Two Social Movements: The Intricacies Of Black Feminine Leadership, Ajanet Schauron Rountree Jan 2019

Uncovering The Role Of Women In Two Social Movements: The Intricacies Of Black Feminine Leadership, Ajanet Schauron Rountree

All ETDs from UAB

ABSTRACT The historical conceptualization of social movements on the space-time continuum is often androcentric. Heavy reliance on male leadership perspectives negates the female point of view and creates what Marable labels an “idealized interpretation” that skirts the actual relationship between individuals and the evolution of history. This research is the deliberate recovery of the purposefully omitted while elucidating the intricacies of the leadership of Black women. It foregrounds and clarifies the leadership narratives of Black women who navigated the gendered and racialized spaces of their churches and communities in the struggle for civil and human rights during the Civil Rights …

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Fractional Calculus And Applications To Fractional Oscillation And Anomalous Diffusion, Norman W. Schmitz Jan 2019

Fractional Calculus And Applications To Fractional Oscillation And Anomalous Diffusion, Norman W. Schmitz

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Fractional calculus has existed since 1695, when L'Hôpital asked Leibniz about his notation for a derivative, $\dfrac{d^nf\left(x\right)}{dx^n}.$ L’Hôpital asked what the result would be if $n$ were $\dfrac{1}{2}$. Leibniz's response: ``An apparent paradox, from which one day useful consequences will be drawn.'' While fractional calculus has only been intensely explored in recent decades, this prediction seems to have been true, with fractional derivatives often seeming contradictory and difficult to work with. However, our exploration has found that these definitions are far more compatible after looking at their non-local properties, in particular their ability to account for causality. We then looked …

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Transcriptional Dynamics Of Dopaminergic Signaling, Katherine Elizabeth Savell Jan 2019

Transcriptional Dynamics Of Dopaminergic Signaling, Katherine Elizabeth Savell

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Drugs of abuse increase dopamine concentrations in the nucleus accumbens, a key reward structure that integrates contextual and cue-related information and regulates motivated behavior. This surge of dopamine triggers cell signaling cascades that converge in the nucleus to cause changes in gene expression, which are thought to lead to the observed functional and structural alterations in the reward circuit after exposure to drugs of abuse. However, while various drugs of abuse cause transcriptional changes, previously available tools have not had the capacity to deeply characterize these gene programs. Therefore, we optimized a dual lentivirus CRISPR system for targeted gene modulation …

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Intracellular Compartment-Specific Abnormalities In Proteasome Expression And Activity In The Superior Temporal Gyrus In Schizophrenia, Madeline R. Scott Jan 2019

Intracellular Compartment-Specific Abnormalities In Proteasome Expression And Activity In The Superior Temporal Gyrus In Schizophrenia, Madeline R. Scott

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Protein homeostasis is an emerging component of schizophrenia (SZ) pathophysiology. Proteomic alterations in SZ are well-documented; however the underlying mechanism driving these changes remains unknown. The ubiquitin proteasome system (UPS) is fundamental to protein homeostasis regulation, and UPS transcript abnormalities in both blood and brain have been observed in SZ. Supporting a role for UPS dysfunction in SZ, we have reported decreased protein expression of ubiquitin-associated proteins in SZ brain. However, previous work on the proteasome has been limited to transcript expression. In the following studies we sought to address this gap in knowledge by characterizing proteasome dysfunction in the …

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Retinotopic Patterns Of Functional And Structural Connectivity In V1, Sara Sims Jan 2019

Retinotopic Patterns Of Functional And Structural Connectivity In V1, Sara Sims

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Vision is important for our everyday life, but we use our central vision differently than our peripheral vision. For example, we use central vision to read and peripheral vision when getting the gist of a scene. Different functions of central and peripheral vision suggest that information from central vision may be processed differently from that in peripheral vision. A previous functional magnetic resonance imaging (MRI) connectivity study suggested reliable differences in connections between centrally- and peripherally-representing visual cortex, and those differences follow well-established networks. Central-representing cortex was preferentially connected to regions belonging to the fronto-parietal (FP) net-work, mid-peripheral was generally …

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Relationship Between Frustration Tolerance And Psychological Self-Regulatory Mechanisms In Weight Loss Maintenance, Samantha Kaytana Henry Jan 2019

Relationship Between Frustration Tolerance And Psychological Self-Regulatory Mechanisms In Weight Loss Maintenance, Samantha Kaytana Henry

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The present study investigated the relevance of frustration tolerance and other psychological regulation factors (e.g., trait mindfulness, executive function) to long-term weight maintenance. Using a cross-sectional design, participants (N=91) were recruited from three behavioral weight loss interventions and categorized dichotomously (maintainer vs. regainer) based on their level of success in maintaining weight loss long term. Participants completed the Frustration Discomfort Scale (FDS), objective measures of executive functioning (EF), and self-report questionnaires. Poorer frustration tolerance was significantly associated with lower trait mindfulness, higher negative affectivity, and greater difficulties in self-reported EF. There were no differences by race or weight maintenance status. …

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An Exploratory Phenomenological Study To Investigate The Necessity Of An Athlete-Specific Bystander Intervention Program, Alexander Ian Gaits Hoffman Jan 2019

An Exploratory Phenomenological Study To Investigate The Necessity Of An Athlete-Specific Bystander Intervention Program, Alexander Ian Gaits Hoffman

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It has been well established that college athletes are among the most at-risk student populations for engaging in heavy episodic drinking and other risky alcohol and drug use behavior including but not limited to risky sexual behavior. Despite this knowledge, to date there are no truly effective long-term education, intervention, prevention, or treatment programs. This is especially true for bystander approaches. Bystander interventions have shown effectiveness in decreasing sexual assaults and changing rape mythology, but there has not been much research on its effectiveness on alcohol and drug use. There is also a lack of knowledge and understanding on how …

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Structural And Functional Insights Into Influenza A Virus Ns1-Mediated Rig-I Antagonism, Alexander Jureka Jan 2019

Structural And Functional Insights Into Influenza A Virus Ns1-Mediated Rig-I Antagonism, Alexander Jureka

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The influenza virus non-structural protein 1 is well known to antagonize the host innate immune response through its interaction with the innate immune sensor, retinoic acid induc-ible gene I (RIG-I). While the complete mechanism of the NS1:RIG-I interaction remains unclear, we were the first to demonstrate a direct interaction between the NS1 RNA-binding domain (NS1RBD) from the 1918H1N1 influenza virus and the second caspase activa-tion and recruitment domain (CARD2) of RIG-I using NMR. In addition, we also identi-fied that mutation of Arg 21 in the 1918H1N1 NS1RBD to Gln (R21Q) completely abrogated the NS1:CARD2 interaction. Given that CARD2 plays a …

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