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Articles 241 - 270 of 1446
Full-Text Articles in Life Sciences
Beef Cow Operations During Drought: Dealing With More Than Dry Conditions, Matt Stockton
Beef Cow Operations During Drought: Dealing With More Than Dry Conditions, Matt Stockton
Cornhusker Economics
The most recent drought conditions have grown to cover a large portion of the west and the central United States, as shown in Figure 1. Those depending on rain continue to watch and hope that conditions will change, while implementing and considering various strategies to preserve their livelihoods. Those who have been in the business for years have seen other occasions when dry conditions limited forage production and created hardship. Each occurrence has varying outcomes, depending on the many factors faced by individuals. While drought may produce the
same dry conditions for many, its effects are individualized. There are as …
Does Aberrant Connectivity Underlie The Experience Of Misophonia?, Kate Raymond
Does Aberrant Connectivity Underlie The Experience Of Misophonia?, Kate Raymond
Electronic Thesis and Dissertation Repository
Misophonia is a condition characterized by an extreme aversion to certain ordinary sounds, such as chewing or breathing. These sounds are typically innocuous but elicit strong feelings of anger, anxiety, and disgust as well as physiological stress in people with misophonia. This misophonic reaction to “trigger” sounds is also marked by increased activity in regions of the brain that process sound, ascribe salience, and regulate emotion (Kumar et al., 2017; Schroder et al., 2019). It has therefore been theorized that aberrant connectivity between these brain regions (particularly the anterior insula, auditory cortex, amygdala, and hippocampus) may underlie the experience of …
Cats And Wildlife: An Animal Welfare Perspective., John Hadidian
Cats And Wildlife: An Animal Welfare Perspective., John Hadidian
Management - General
While there is no question that outdoors cats have an impact on wildlife, the extent and significance of this impact is the subject of considerable debate. The controversy surrounding outdoor cats can be traced back at least a century, with contemporary claims of threats to global biodiversity bringing animal welfare and conservation interests directly into opposition, largely over the means of managing conflicts. The irony in this is that cat defenders and cat detractors generally agree that it is in the best interests of cats that they should be shielded from the vagaries of outdoor life. While there are practical …
Association Between Financial Education, Affective And Cognitive Financial Knowledge, And Financial Behaviors, Lucy M. Delgadillo, Yoon Lee
Association Between Financial Education, Affective And Cognitive Financial Knowledge, And Financial Behaviors, Lucy M. Delgadillo, Yoon Lee
Applied Sciences, Technology and Education Faculty Publications
Using data from the 2018 National Financial Capability Study, this paper examined the relationship between financial education participation and affective and cognitive financial knowledge. Involvement in financial education yielded statistically significant associations between affective and cognitive domains. The results showed that participation in financial education was associated with both cognitive and affective financial knowledge as well as long-term financial behaviors. The findings supported the case for life-long learning of financial education for young adults, Blacks and Hispanics, and women. One important implication was the need to include both the affective and cognitive domains when teaching or researching financial education.
Altered Network Organization And Screen Time Use In Childhood Attention-Deficit / Hyperactivity Disorder (Adhd), Elizabeth Jane Hawkey
Altered Network Organization And Screen Time Use In Childhood Attention-Deficit / Hyperactivity Disorder (Adhd), Elizabeth Jane Hawkey
Arts & Sciences Electronic Theses and Dissertations
Introduction: Symptoms of attention-deficit/hyperactivity disorder (ADHD) have been associated with alterations in functional connectivity involving networks in the developing brain that support optimal cognitive control. However, a clear profile of altered connectivity has yet to emerge, and it remains unclear whether changes in behavioral patterns such as screen time (ST) contribute to ADHD symptomatology and altered connectivity in networks that support cognitive control. The current study examined connectivity between large-scale networks associated with cognitive control (CC), measures of executive function (EF) which index CC, and ST in children with ADHD. Methods: Our sample included 11,874 children (ages 9-11, 52% male) …
Testing Candidate Cerebellar Presymptomatic Biomarkers For Autism Spectrum Disorder, Zoe Wilson Hawks
Testing Candidate Cerebellar Presymptomatic Biomarkers For Autism Spectrum Disorder, Zoe Wilson Hawks
Arts & Sciences Electronic Theses and Dissertations
Background: Autism spectrum disorder (ASD) is a neurodevelopmental disorder diagnosed on the basis of social impairment, restricted interests, and repetitive behaviors. Contemporary theories posit that cerebellar-mediated error signaling impairments contribute to the causation of ASD. However, the relationship between infant cerebellar functional connectivity (fcMRI) and later ASD behaviors and outcomes has not been investigated. Such work is critical to establish early (presymptomatic) cerebellar correlates of ASD. Methods: Data from the Infant Brain Imaging Study (n=94, 68 male) were used to evaluate cerebellar fcMRI as a presymptomatic biomarker for ASD. Specifically, brain-behavior associations were analyzed for 6-month cerebellar connections in relation …
The “East Side” Of Las Vegas: A Latinx Historical Framework, Nathalie Martinez
The “East Side” Of Las Vegas: A Latinx Historical Framework, Nathalie Martinez
Spectra Undergraduate Research Journal
Spanish heritage speakers in the United States are a reflection of everchanging linguistic and sociolinguistic pressures that result in myriad varieties across generations. This paper provides a preliminary historical framework to fill this gap of linguistic knowledge in the Spanish-speaking community of Las Vegas, Nevada. The goals were two-fold: (1) highlight the largest Spanish-speaking communities in Las Vegas and (2) explore the significance of the East Side in the history of the Latinx population of Las Vegas. Through the analysis of oral histories and historical works, the investigation highlights the Mexican, Salvadoran, and Cuban populations of Las Vegas and their …
Qualitative Review Of Educational Interventions For Improving Physical Activity Behaviors In Older Asian Americans In The United States, Raisa Kabir, Manoj Sharma, Sayeda Tazim Zaidi, Chia-Liang Dai
Qualitative Review Of Educational Interventions For Improving Physical Activity Behaviors In Older Asian Americans In The United States, Raisa Kabir, Manoj Sharma, Sayeda Tazim Zaidi, Chia-Liang Dai
Spectra Undergraduate Research Journal
Physical activity (PA) provides numerous health benefits and minimizes chronic diseases and mental health issues, especially in older adults. The national survey data indicated that only 27.3% to 44.3% of older adults meet the recommended PA guidelines of 150 to 300 minutes/ week. There is limited data on PA behavior among older Asian American (AA) adults as very few to no local/national surveys have targeted these marginalized subgroups. This comprehensive review aims to identify existing PA intervention strategies and to update current knowledge on the effectiveness of these interventions to improve PA behavior among aging AA in the US. The …
The Future Of The Live Entertainment Tax In Southern Nevada, Katie M. Gilbertson
The Future Of The Live Entertainment Tax In Southern Nevada, Katie M. Gilbertson
Spectra Undergraduate Research Journal
The Live Entertainment Tax (LET) in Nevada generated nearly one billion dollars during the 2019-2020 fiscal year. LET revenue all goes to the State General Fund, even though 97 percent of LET revenue is generated in Clark County. Nevada is experiencing an economic crisis, particularly in the tourism industry. Solutions from various fields suggest the best way to boost the local economy is to reinvest revenue in its original county. One policy solution Nevada policymakers should consider is to carve out a percentage of revenue generated by the LET to return directly back to Clark County to revitalize tourism.
Diabetes Mellitus Affects Working Memory, Dylone C. Braganza, Emmanuel Flores, Lauren A. Crew, Ryan A. Wirt, Andrew A. Ortiz, Adam M. Mcneela, Jefferson W. Kinney, James M. Hyman
Diabetes Mellitus Affects Working Memory, Dylone C. Braganza, Emmanuel Flores, Lauren A. Crew, Ryan A. Wirt, Andrew A. Ortiz, Adam M. Mcneela, Jefferson W. Kinney, James M. Hyman
Spectra Undergraduate Research Journal
Alzheimer’s disease (AD) degrades the brain’s ability to remember, think, and carry out tasks. The exact cause is not known, but several risk factors have been identified, including diabetes mellitus (DM). DM causes elevated blood sugar levels due to reduced insulin production in the pancreas. The linkage between elevated glucose levels and the behavioral impairments are not fully understood, which was the focus of this study. Rats were trained to alternate directions in a maze to receive a reward on consecutive trials. After training, five rats were injected with streptozotocin (STZ), which induces hyperglycemia by injuring pancreatic beta cells. Three …
A Timeline Of Discovery And Current Research On Primary Open-Angle Glaucoma And Emergence Of Potentially Permanent Treatment Solutions, Yonosuke Dejesus, Guadalupe Moreno Ceballos
A Timeline Of Discovery And Current Research On Primary Open-Angle Glaucoma And Emergence Of Potentially Permanent Treatment Solutions, Yonosuke Dejesus, Guadalupe Moreno Ceballos
Spectra Undergraduate Research Journal
This research examines the timeline of the discovery and research of Primary Open-Angle Glaucoma (POAG). By reviewing the literature on genetic and molecular mechanisms, we aim to emphasize a long-term treatment solution (iSTENT) to mitigate intraocular pressure (IOP) related to POAG etiology and disease progression. POAG is a multifactorial, autosomal dominant, adult-onset eye disease wherein the optic nerve cells become damaged due to a buildup of excess aqueous humor, resulting in increased IOP. Consequently, POAG leads to progressive loss of peripheral vision and is the leading cause of blindness in the US. Due to the multifactorial nature of glaucoma’s inheritance …
Racial Profiling: Understanding The Practice Of Stop-And-Frisk In New York City, Lisa Ly
Racial Profiling: Understanding The Practice Of Stop-And-Frisk In New York City, Lisa Ly
Spectra Undergraduate Research Journal
Racial profiling has become a prominent issue in modern policing today. Instead of being based on individual suspicion, racial profiling embodies a belief that people of color are continuously singled out by the police for scrutiny and harassment. Policies and procedures make the Black community vulnerable to police discrimination and racial profiling. Floyd et al. v. City of New York et al. (2013) declared that the New York Police Department’s (NYPD) practice of stop-and-frisk was racially profiling Black civilians. This study sought (1) to determine if the NYPD post-Floyd is still engaging in racial profiling towards Black civilians; and (2) …
Ronald E. Mcnair Scholars Program Profiles And Abstracts 2021, Mcnair Scholars Program
Ronald E. Mcnair Scholars Program Profiles And Abstracts 2021, Mcnair Scholars Program
McNair Symposium
This is the complete event program and provides presentation abstracts and biographies of McNair scholars and their mentors.
Triangulation And Finite Element Method For A Variational Problem Inspired By Medical Imaging, Tim Komperda, Enrico Au-Yeung
Triangulation And Finite Element Method For A Variational Problem Inspired By Medical Imaging, Tim Komperda, Enrico Au-Yeung
DePaul Discoveries
We implement the finite element method to solve a variational problem that is inspired by medical imaging. In our application, the domain of the image does not need to be a rectangle and can contain a cavity in the middle. The standard approach to solve a variational problem involves formulating the problem as a partial differential equation. Instead, we solve the variational problem directly, using only techniques available to anyone familiar with vector calculus. As part of the computation, we also explore how triangulation is a useful tool in the process.
Insignificant Impacts Of Covid-19 Stay-At-Home Orders On Chicago Air Quality, Adam W.T. Steffeck
Insignificant Impacts Of Covid-19 Stay-At-Home Orders On Chicago Air Quality, Adam W.T. Steffeck
DePaul Discoveries
With the onset of the COVID-19 pandemic, reports of air quality improvements around the world resulting from the stay-at-home orders were widespread. However, for Chicago, no significant air quality improvements occurred despite large reductions in private vehicle transportation due to the lack of commuters. The city of Chicago is a nexus for long-haul transportation by trucks and trains, which did not decrease during the pandemic. These transportation sources use mostly diesel fuel engines and emit NOX, a precursor to tropospheric ozone, and PM2.5, both of which are harmful air pollutants. Using open access EPA air quality …
Depaul Discoveries Volume 10 Cover Art, Nicolette Listenbee
Depaul Discoveries Volume 10 Cover Art, Nicolette Listenbee
DePaul Discoveries
No abstract provided.
Associations Of Hair Dye And Relaxer Use With Breast Tumor Clinicopathologic Features: Findings From The Women’S Circle Of Health Study, Rohan Rao, Jasmine A. Mcdonald, Emily Barrett, Patricia Greenberg, Dede K. Teteh, Susanne B. Montgomery, Bo Qin, Yong Lin, Chi-Chen Hong, Christine B. Ambrosone, Kitaw Demissie, Elisa V. Bandera, Adana A.M. Llanos
Associations Of Hair Dye And Relaxer Use With Breast Tumor Clinicopathologic Features: Findings From The Women’S Circle Of Health Study, Rohan Rao, Jasmine A. Mcdonald, Emily Barrett, Patricia Greenberg, Dede K. Teteh, Susanne B. Montgomery, Bo Qin, Yong Lin, Chi-Chen Hong, Christine B. Ambrosone, Kitaw Demissie, Elisa V. Bandera, Adana A.M. Llanos
Health Sciences and Kinesiology Faculty Articles
Background
Building upon our earlier findings of significant associations between hair dye and relaxer use with increased breast cancer risk, we evaluated associations of select characteristics of use with breast tumor clinicopathology.
Methods
Using multivariable-adjusted models we examined the associations of interest in a case-only study of 2998 women with breast cancer, overall and stratified by race and estrogen receptor (ER) status, addressing multiple comparisons using Bonferroni correction.
Results
Compared to salon application of permanent hair dye, home kit and combination application (both salon and home kit application) were associated with increased odds of poorly differentiated tumors in the overall …
Growing Climate Solutions Act Of 2021, J. David Aiken
Growing Climate Solutions Act Of 2021, J. David Aiken
Cornhusker Economics
On June 24, 2021, the U.S. Senate adopted S. 1251, the
Growing Climate Solutions Act of 2021. Cosponsored by
54 senators, including Nebraska Senator Deb Fischer, S. 1251 seeks to make it easier for farmers and ranchers to participate in voluntary carbon credit markets and to get a fair share of the carbon credit revenue they generate. If
adopted by the U.S. House of Representatives and signed into law by the President, S. 1251 would go a long way in facilitating effective producer participation in U.S. carbon markets.
Life Paths To Leading Systems-Level Change: Higher Education’S Pitfalls And Potential, Roslynn Brain Mccann, Kaitlyn Spangler, Andrew Millison
Life Paths To Leading Systems-Level Change: Higher Education’S Pitfalls And Potential, Roslynn Brain Mccann, Kaitlyn Spangler, Andrew Millison
Environment and Society Faculty Publications
Global protests calling for accelerated climate change action, social justice, and racial equity have been shifting long- standing conversations and policies from local to national scales. Yet many activists can become psychologically drained by the frustration and loss of hope in fighting against structural oppression. This study was comprised of semi-structured qualitative interviews spanning across the United States with 25 leaders and practitioners in permaculture design, a solutions-based ecological design framework to enact positive, systems-level environmental and social change. The objective was to better understand their life paths toward such work. The research showed that higher education is not adequately …
Household Perceptions And Patterns Of Crop Loss By Wild Pigs In North India, Bivash Pandav, Lakshminarayanan Natarajan, Ankit Kumar, Ajay A. Desai, Banteibor Lyngkhoi
Household Perceptions And Patterns Of Crop Loss By Wild Pigs In North India, Bivash Pandav, Lakshminarayanan Natarajan, Ankit Kumar, Ajay A. Desai, Banteibor Lyngkhoi
Human–Wildlife Interactions
Loss to cultivated crops by wild pigs (Sus scrofa) is widespread and can jeopardize low-income farmers. In India, although there is lot of political interest in the problem, efforts to understand the patterns, correlates, and underlying reasons for wild pig conflict continue to be minimal. We quantified loss of wheat (Triticum aestivum) to wild pigs and assessed the spatial patterns of damage in a forest settlement of Van Gujjar (Haridwar, India), which is a dairy-based pastoralist community. We chose a 4-km2 cultivated area comprising 400 farmlands (each measuring 0.8 ha and belonging to a family) and …
Having A High-Activity Catechol-O-Methyltransferase Allele Is Associated With Elevated Anxiety And Lower Salivary Dehydroepiandrosterone But Also Lower Alpha Amylase In Children With Chromosome 22q11.2 Deletion Syndrome., Jessie Beebe
University of New Orleans Theses and Dissertations
Chromosome 22q11.2 deletion syndrome (22q11.2DS) results from a hemizygous deletion located on the long arm of chromosome 22. The most common deletion sizes affect between 30 and 90 genes. Individuals with 22q11.2DS may develop serious developmental and psychiatric disorders. The phenotype is highly variable, however, and may be influenced by allelic variation of the retained copies of genes covered by the deletion. I set out to examine the effects of two genes, catechol-O-methyltransferase (COMT) and proline dehydrogenase (PRODH), in relation to anxiety in children and adolescents with 22q11.2DS. Individuals with the major COMT allele (higher activity) have significantly higher anxiety …
Testing The Effects Of Two Field-To-Fork Programs On The Nutritional Outcomes Of Elementary School Students From Diverse And Lower-Income Communities, Kimberly R. Hartson, Kristi M. King, Carol O'Neal, Aishia Brown, Toluwanimi Olajuyigbe, Shakeyrah Elmore, Angelique Perez
Testing The Effects Of Two Field-To-Fork Programs On The Nutritional Outcomes Of Elementary School Students From Diverse And Lower-Income Communities, Kimberly R. Hartson, Kristi M. King, Carol O'Neal, Aishia Brown, Toluwanimi Olajuyigbe, Shakeyrah Elmore, Angelique Perez
Faculty Scholarship
The purpose of this quasi-experimental study was to evaluate the effects of two farm-to-school programs, specifically the Field-to-Fork Multi-visit Program (N = 264) and the Field-to-Fork After-school Club (N = 56), on nutritional outcomes of elementary school students (third to fifth grade) from urban, diverse, and lower-income communities. Data were collected via self-report surveys measuring: (a) knowledge of recommendations for daily fruit and vegetable intake; (b) fruit and vegetable consumption; (c) knowledge of cooking a healthy recipe using vegetables; and (d) desire for farm fresh foods at school. Statistical analyses included McNemar’s and Wilcoxon signed rank tests. The …
Weight Status Perceptions And Food Choice, Christopher R. Gustafson
Weight Status Perceptions And Food Choice, Christopher R. Gustafson
Cornhusker Economics
Does your weight status—whether your height and weight put you into the normal weight, overweight, or obese category—predict your food choices, or even the types of food you’ll pay attention to when making a choice? What about the weight status you perceive yourself to be? These are important questions because the percentage of the population that is overweight or obese in the U.S.—and world-
wide—has been increasing for decades despite a wide range of efforts aimed at slowing/reversing its growth. In the U.S., over 70 percent of the population is overweight or obese. High body weight has numerous consequences for …
Greening The Archive: The Social Climate Of Cotton Manufacturing In The "Samuel Oldknow Papers, 1782-1924", Bernadette Myers, Melina Moe
Greening The Archive: The Social Climate Of Cotton Manufacturing In The "Samuel Oldknow Papers, 1782-1924", Bernadette Myers, Melina Moe
Journal of Contemporary Archival Studies
This article re-examines the records and correspondence of Samuel Oldknow, a late eighteenth century textile manufacturer, within the context of the environmental humanities. Oldknow’s papers, a portion of which are held at Columbia University, are most often used by economic historians to date the beginnings of the factory wage labor system. We highlight, instead, the environmental implications of Oldknow’s cotton enterprise by juxtaposing documents related to the global reach of Oldknow’s empire with evidence of his transformation of the local landscape of northern England. This process of re-scaling captures a sense of what we call the “social climate” of the …
Informational Signage Increases Awareness Of A Rattlesnake In A Canadian Urban Park System, Jonathan D. Choquette, Alexis V. Hand
Informational Signage Increases Awareness Of A Rattlesnake In A Canadian Urban Park System, Jonathan D. Choquette, Alexis V. Hand
Human–Wildlife Interactions
Human–snake conflict results in negative outcomes for people and snakes, and if left unmanaged, could undermine conservation efforts. One approach to managing conflict between people and snakes is to use signage to inform members of the public on the presence of venomous snakes and measures to prevent snakebites. To be an effective tool, however, signs must first be noticed, then read and understood by the target audience. As part of conservation efforts targeting eastern massasauga rattlesnakes (Sistrurus catenatus) in southwestern Ontario, Canada, we tested the effectiveness of signage at increasing awareness of its presence, status and threats, and …
Climate Adaptation And Water Conservation Decision-Making In Paso Robles, California Vineyards, Christopher R. Klier
Climate Adaptation And Water Conservation Decision-Making In Paso Robles, California Vineyards, Christopher R. Klier
Master's Theses
This paper examines vineyard perceptions and adoption of climate change adaptation and water conservation measures in the Paso Robles American Viticultural Area (AVA). A survey was distributed to all 220 vineyards and vineyard management companies that operate in the AVA, with a 53.64% response rate. The objective of the survey was to determine vineyard manager and owner attitudes towards climate change and adaptation, as well as their perceptions of how these threats would impact their operation. A second objective was to document the current level of water conservation and climate adaptation while identifying the barriers and opportunities for further adoption …
Food Security Impacts Of The Covid-19 Pandemic: Following A Group Of Vermonters During The First Year, Ashley C. Mccarthy, Farryl Bertmann, Emily H. Belarmino, Meredith T. Niles
Food Security Impacts Of The Covid-19 Pandemic: Following A Group Of Vermonters During The First Year, Ashley C. Mccarthy, Farryl Bertmann, Emily H. Belarmino, Meredith T. Niles
College of Agriculture and Life Sciences Faculty Publications
We surveyed a cohort of Vermonters three times during the first year of the COVID-19 pandemic to understand the impacts of the pandemic on food security and food access. The surveys were conducted in March/April 2020, June 2020, and March/April 2021. A total of 441 Vermonters responded to all three surveys. This brief shares changes in their experiences between March 2020 and March 2021. Key findings include: 1. Food insecurity rates increased during the pandemic and remained above pre-pandemic levels a year after the start of the pandemic. 2. 31.6% of respondents experienced food insecurity at some point in the …
Yield And Economic Performance Of Crop Rotation Systems In South Dakota, Hanxiao Feng, Tong Wang, Shannon L. Osborne, Sandeep Kumar
Yield And Economic Performance Of Crop Rotation Systems In South Dakota, Hanxiao Feng, Tong Wang, Shannon L. Osborne, Sandeep Kumar
Economics Faculty Publications
Crop yield and economic profitability, both highly dependent on local crop management, soil characteristics, and weather conditions, are among the most influential factors to consider when considering a cropping system. The objective of this study was to compare the economic returns of three different 4-yr diverse crop rotations with that of a 2-yr traditional crop rotation in eastern South Dakota. The rotations included were (a) corn (Zea mays L.)–soybean [Glycine max (L.) Merr.]–spring wheat (Triticum aestivum L.)–pea (Pisum sativum L.) (CSSwP), (b) corn–pea–winter wheat–soybean (CPWwS), (c) corn–oat (Avena sativa L.)–winter wheat–soybean (COWwS), and (d) corn–soybean …
College Of Natural Sciences Newsletter, August 2021, College Of Natural Sciences
College Of Natural Sciences Newsletter, August 2021, College Of Natural Sciences
College of Natural Sciences Newsletters and Reports
Volume 2, Issue 8.
Page 1 Dean's Message
Page 2 Awards and Recognition
Page 3 Student Summer Research
Page 4 Media Coverage of CNS
Page 5 Wintrode Student Success Center
Page 6-7 Welcome to our new Faculty & Staff!
Page 8 One Day for State: Thursday, Sept. 2nd
Page 7 Open PRAIRIE Data; Fall Faculty Retreat 2021
Resting State Functional Connectivity In The Default Mode Network: Relationships Between Cannabis Use, Gender, And Cognition In Adolescents And Young Adults, Megan Ritchay
Theses and Dissertations
Introduction: Cannabis is the most commonly used illicit substance in the United States, and nearly 1 in 4 young adults are current cannabis users. The psychoactive component of cannabis, THC, is active at cannabinoid receptors, type 1, or CB1 receptors. CB1 receptors play a critical role in neural development, and chronic cannabis use causes desensitization and downregulation of these receptors. Chronic cannabis use is associated with changes in resting state functional connectivity (RSFC) in the default mode network (DMN) in adolescents and young adults, although results are somewhat inconsistent across studies, likely due to differing methodologies. Additionally, cannabis effects appear …