Open Research Oklahoma
ORO serves as the home for Oklahoma State University's open-access intellectual output. It includes digital dissertations, faculty publications, OSU Extension publications, undergraduate research, open educational resources, and more. Email openresearch@okstate.edu to see how your Oklahoma-based institution can join.
Recent Submissions
Publication Heartbeat evoked potential differences between anxiety disorders(Oklahoma State University, 2025-04-22)This study examined differences in interoceptive processing between individuals with social anxiety and generalized anxiety, using the heartbeat-evoked potential (HEP) as a neural marker of attention to internal bodily signals. HEPs were recorded during a heartbeat counting task to assess the degree of interoceptive attention. Consistent with prior research linking elevated HEP amplitude to perceived internal threat, results showed that individuals with high social anxiety exhibited significantly greater HEP amplitudes compared to those with low anxiety. In contrast, participants with high generalized anxiety did not show increased HEP activity, suggesting distinct neural processing mechanisms across anxiety subtypes. These findings highlight the importance of differentiating between types of anxiety in interoception research and suggest that social anxiety may involve heightened sensitivity to internal cues, which may have implications for diagnosis and treatment.Publication Assessing the soil health and nutrient runoff at a former swine lagoon(Oklahoma State University, 2025-04-22)Soil health is crucial for maintaining environmental balance, particularly in agricultural systems that depend on soil for production. One pressing concern is nutrient runoff from landfills, lagoons, and agricultural areas into nearby water systems, contributing to water pollution and eutrophication. Swine lagoons, which manage animal waste, are a potential environmental risk. This study evaluates the soil health of a former swine lagoon at Oklahoma State University’s Student Farm, capped with 10–30 cm of soil and planted with sycamore and cottonwood trees for nutrient absorption. Despite remediation, concerns persist, as flagged by the Oklahoma Department of Environmental Quality (ODEQ). The lagoon measures 140 yards by 76 yards, covering 2.5 acres with two soil types: Teller loam and Easpur loam. In 2023, nutrient levels were recorded in pounds per acre: sycamore tree plots had 5 pounds of nitrogen, 500 pounds of phosphorus, and 800 pounds of potassium, while cottonwood plots had 5 pounds of nitrogen, 300 pounds of phosphorus, and 600 pounds of potassium. Heavy metals were analyzed in parts per million, with results of 45 ppm for iron, 10 ppm for zinc, 1 ppm for boron, and 2 ppm for copper. This data will serve as a baseline for ongoing testing to assess the effectiveness of capping and tree planting in preventing nutrient runoff. This study employs grid-based sampling, taking 20 samples from an 8-square grid, ensuring a 6-inch depth of soil. These samples will be analyzed for mineral levels and other indicators of soil health. Findings will guide best practices for maintaining soil health in former waste treatment areas and assess the lagoon’s environmental impact. The purpose of this study is to contribute to the broader conversation on soil conservation in areas with a history of agricultural waste management. As soil is a finite resource, it is crucial to preserve land for sustainable production. Future goals include continuous monitoring of the lagoon site and implementing corrective measures if needed.Publication Development and fabrication of a pre-detonation ignition system(Oklahoma State University, 2025-04-22)This poster presents the development and fabrication of a robust detonation-based ignition system, with the primary goal of creating a reliable Deflagration-to-Detonation Transition (DDT) tube that operates using gaseous hydrogen and oxygen at 150 psi. This system is intended as a versatile ignition solution that can first be used to initiate combustion in liquid rocket engines which utilize Jet-A fuel and nitrous oxide (N₂O). These tests will serve as a critical validation platform to demonstrate system functionality in a simpler combustion environment. Once verified, this DDT system will be applied to initiate detonation in rotating detonation rocket engines (RDREs), where sustained detonation is the primary mode of thrust generation. Key parameters, including fill fraction, equivalence ratio, and ignition timing delay, were selected to achieve consistent and reliable ignition events. The pre-detonation rig and its components were fabricated and assembled successfully, demonstrating the system's functionality through preliminary testing. This research lays the foundation for future integration into advanced propulsion architectures, including RDREs and other detonation propulsion systems.Publication Choosing ASL versus hearing devices through social, psychological, and developmental perspectives(Oklahoma State University, 2025-04-22)In the Deaf Experience Deaf Expression project, we collect interviews about the experiences of d/Deaf and hard-of-hearing people of all ages, their families and other professionals. When people learn they have hearing loss, they often make a choice between learning American Sign Language (ASL) or using hearing assistive devices. The benefits and reasons for each choice differ for deaf children versus older adults with hearing loss. These reasons can be categorized into societal factors, developmental progress, and psychological impacts. This research highlights these differences in order to help people better understand and navigate this decision. From a social perspective, deaf children who learn ASL gain access to Deaf culture and community. This helps provide the child with identity, communication, and sense of belonging. In contrast, older adults experiencing hearing loss already have an identity and communication with the hearing community. In their experience, they choose hearing devices to remain connected with already existing social circles. These differences can also be seen in a developmental perspective when looking at language acquisition. Language exposure, whether it’s signed for a Deaf child or spoken for a hearing child, is critical in early development as it builds foundations in communication. Unlike children, older adults have already exited their “critical period” of language acquisition which make learning a new language more challenging. Lived experience and age also impacts psychological well-being. ASL can greatly benefit Deaf children: as mentioned before, it gives culture, community, and identity. However, when denied ASL, Deaf children who cannot hear the speech around them experience language deprivation, which causes long-term learning and socio-emotional challenges. Sense of belonging is a massive factor for psychological success, and access to a community through ASL greatly increases support. Older adults may feel isolated due to hearing loss, but hearing devices help overcome that barrier. Overall, this research emphasizes that ASL and hearing devices are both important communication tools. Both options are influenced by social integration, language development, and psychological well-being. Understanding these differences can help inform recommendations for both populations.Publication The distinction between deaf and Deaf individuals’ advice for parents of children with hearing loss within the Deaf Experience, Deaf Expression (DXDX) Project(Oklahoma State University, 2025-04-22)In the Deaf Experience, Deaf Expression (DXDX) project, we explore the diverse experiences within the Deaf and hard-of-hearing (DHH) community through extensive interviews with DHH individuals, their family members, and related professionals. Our study encompasses a wide range of participants, varying significantly in age and type of hearing loss, including young children, teenagers, and adults. This semester, we expanded our focus to include interviews with individuals who identify strongly with Deaf culture and primarily use sign language which added a crucial dimension to our research. This presentation investigates the critical distinctions between individuals with medical hearing loss (deaf) and those who identify with Deaf culture. These interviews with deaf and Deaf individuals provide valuable insights into how language choice, community involvement, and cultural identity significantly influence an individual's experiences and overall well-being. Through a series of in-depth interviews with members of the Deaf community who primarily use sign language, I compare their responses on a single question to other individuals who identify as deaf. The question I focus on is, "What advice would you give new parents of a deaf child?" This question reveals interesting contrasts between deaf and Deaf participants' perspectives on early intervention, communication methods, and cultural identity. By directly engaging with those who live these experiences, I seek to construct a more accurate and comprehensive understanding of what it means to be deaf or Deaf in our society today. This research plays a crucial role in providing authentic, relatable insights to inform parents, educators, and society at large about how to better understand and support individuals with hearing loss. By researching the distinctions within the deaf and Deaf communities, I aim to contribute substantive data to the ongoing discourse on hearing loss, cultural identity, and social integration. My goal is to offer a comprehensive perspective on the experiences of deaf and Deaf individuals and their advice for new parents of deaf children.
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