Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 119 for “"physiological stress"”.
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The Effects of Physiological Stress on Brain-Computer Interface Systems
… environment. This work investigates how a user's physiological stress level may impact the performance of a BCI device on an Electroencephalograph (EEG) signal level. The human stress response is a universal survival mechanism that impacts both the emotional and physiological state of the body. …
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Effects of environmental and physiological stress on the functionality of probiotic microorganisms
… to examine whether exposure to environmental and physiological stress conditions could affect some functional properties for the selection of probiotic microorganisms. The study was focused on two commercial strains of Bifidobacterium animalis ssp. lactis and two non-commercial Bifidobacterium …
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Low Blood Lead Levels, Parental Education, Physiological Stress, And Neurocognition: A Cohort Study
… where children experiencing more psychosocial stressors seem to have greater deficits at lower levels of lead exposure compared to others. Additionally, the link between lead exposure and physiological stress responses, a precursor for health and neurocognitive deficits, is under-investigated. …
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Stuttering Behavior and Physiological Stress Profiles: A Preliminary Investigation of School -Aged Children
Results revealed that in comparison to published references established for normal children, children with a history of stuttering exhibited mean cortisol and alpha-amylase levels that were significantly lower. Though cortisol and alpha-amylase levels were within normal limits, daily circadian …
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A method for real time evaluation of physiological stress due to ozone exposure
A study was undertaken to determine what effects, if any, exposure to ozone would have on a rabbit, as indicated by changes in its ear temperature patterns. By using a thermographic camera, thermal contours were obtained prior to, during and after exposure to low levels of ozone (near 1.0 ppm). …
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Exploring Microstructural Signatures of Physiological Stress through Cross-Sectional Geometry and Cortical Bone Histology
… U.S.-Mexico border, macroscopic indicators of stress have been used to infer lived experiences from skeletal remains consistent with various forms of structural inequality, informing investigative efforts and improving identification rates. Microscopic assessments of stress and health in …
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Comparing four indices of physiological stress in an urban-adapted songbird between urban and rural habitats
… in both rural and urban areas. Literature on stress-urbanization relationship remains highly equivocal partly due to an array of different study systems being compared as well as to key methodological differences. The present study quantified metrics of both acute stress (i.e., stress-induced …
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The effects of resistance training on golf performance and physiological stress response during competition in intercollegiate golfers
Two investigations were conducted with collegiate golfers for separate, but related purposes. 1) To investigate the effects of a physical conditioning program (strength, power and flexibility training) on clubhead speed, consistency, and putting distance control. 2) To investigate the effects of 36 …
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The Proteomic Response of Northern Elephant Seal (<i>Mirounga Angustirostris</i>) Pups to Physiological Stress During Development
… production and increased blubber reserves. The stressors experienced from learning to dive for the first time are also stressors that they will experience frequently as an adult and for which they have evolved adaptations. The purpose of this study was to understand the tissue-specific molecular …
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An investigation into the use of infrared thermography as a tool to assess the physiological stress response in the horse
… objective, non-invasive method to identify the physiological stress response in the horse. The primary area of investigation was the eye area within the medial posterior palpebral border of the lower eyelid and the lacrimal caruncle as in existing work in other species. The application of these …
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Evaluation of anthropogenic disturbance on African clawless otter (Aonyx capensis) physiological stress, behaviour, and population density using non-invasive methods
… aim of the study was to examine and compare the stress-related endocrine responses, population density, and behaviour of African clawless otters (ACOs) from a transformed area and natural areas using non-invasive techniques. An enzyme-immunoassay for measuring faecal glucocorticoid metabolite …
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Investigating the Domestication Syndrome Hypothesis: To What Extent Does Morphology Predict the Behavior and Physiological Stress Response of Dogs and Cattle?
… a shared set of traits encompassing behavioral, physiological, and morphological characteristics. While this hypothesis has garnered significant attention, the evidence supporting its universality remains limited, particularly in species such as dogs and cattle. In this dissertation, I examined …
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Reducing stress in women recovering from substance abuse
… disorder and are entering treatment facilities. Stress has long been implicated as a catalyst for the initiation of substance abuse as well as a cause of relapse after periods of sobriety. Treatment strategies to control and manage stress may be beneficial to women in treatment to maintain …
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Empathy as a Predicting Factor of Stress Contagion Susceptibility
… and resonate with others’ emotions, while stress contagion occurs when one person’s stress triggers a stress response in another. Although each construct has been studied independently, little research has examined their potential interaction. This study sought to investigate whether trait …
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Stress and decision-making in a Developing world context
This paper gauges the effect of physiological stress on time preference in the urban poor from informal settlements in Nairobi, Kenya. Using a standardized psychosocial stress challenge (the Trier social stress test (TSST)) to induce stress in a randomized setting, we attempt to estimate the effect …
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Survival of Vibrio vulnificus and Escherichia coli in artificially and naturally infected oyster (Crassostrea virginica) tissues during storage in spray- and immersion-type live holding systems
… vulnificus within the oysters. The effects of physiological stress imposed on oysters, as a result of interstate shipping, were examined by monitoring the level of E. coli in these oysters during storage in a spray tank. The survival rates of naturally-present E. coli and V. vulnificus in …
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Using Silvopasture to Mitigate Heat Stress in Grazing Beef Cattle
… the impact of silvopasture on mitigating heat stress in grazing beef cattle by comparing physiological and behavioral responses between shaded and non-shaded pastures. Twenty-two multiparous cows were monitored over a 20-day summer trial in East Texas. Data were collected on respiration rate, …
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The role of fish physiology, behaviour, and water discharge on the attraction and passage of adult sockeye salmon (Oncorhynchus nerka) at the Seton River dam fishway, British Columbia
… with minimal delay, energy expenditure, and physiological stress. The research presented here is based on investigations into fishway attraction and passage for the Gates Creek sockeye salmon (Oncorhynchus nerka, Walbaum) stock at the Seton River dam in British Columbia. The first part of …
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