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Psychological Well-Being And Dietary Quality Of College Women: Examining The Confounding Influence Of Sleep And Physical Activity, Whitney Ann Hebbert
Psychological Well-Being And Dietary Quality Of College Women: Examining The Confounding Influence Of Sleep And Physical Activity, Whitney Ann Hebbert
Theses and Dissertations
Objective. To determine the relationship between overall psychological well-being and stress on diet quality among young adult women and to examine the potential confounding influence of season, physical activity and sleep on these relationships. Design/Participants. The study used a cross-sectional design. Three hundred and fifty-one women were recruited to participate in the study. All participants were university students (20.2 ± 1.6 y). Overall psychological well-being was assessed using the General Well-being Schedule (GWB) and the Perceived Stress Scale (PSS). Diet intake was measured using three 24-hour recalls over a seven day period. The Healthy Eating Index (HEI) was calculated to …
Ecological Momentary Assessment And Time-Varying Factors Associated With Eating And Physical Activity, Amy Jeffers
Ecological Momentary Assessment And Time-Varying Factors Associated With Eating And Physical Activity, Amy Jeffers
Theses and Dissertations
The obesity epidemic is a significant problem in the United States. It is well established that lifestyle factors, such as unhealthy eating and physical inactivity, are key contributors. These causes are generally voluntary activities and it is important to examine health decision-making with respect to these behaviors. The current study examined time-varying factors of stress and mood and their relationship with healthy eating and physical activity in a sample of undergrads (N = 26). Ecological momentary assessment via one's cell phone was used to collect multiple measurements over six days. Positive mood was found to follow physical activity episodes for …
A Hybrid Bishop-Hill Model For Microstructure Sensitive Design, Ribeka Takahashi
A Hybrid Bishop-Hill Model For Microstructure Sensitive Design, Ribeka Takahashi
Theses and Dissertations
A method is presented for adapting the classical Bishop-Hill model to the requirements of elastic/yield-limited design in metals of arbitrary crystallographic texture. The proposed Hybrid Bishop-Hill (HBH) model, which will be applied to ductile FCC metals, retains the `stress corners' of the polyhedral Bishop-Hill yield surface. However, it replaces the `maximum work criterion' with a criterion that minimizes the Euclidean distance between the applicable local corner stress state and the macroscopic stress state. This compromise leads to a model that is much more accessible to yield-limited design problems. Demonstration of performance for the HBH model is presented for an extensive …
A Longitudinal Study Of The Effect Of At Birth Adoptions On Anxiety, Stress Hormones And Adolescent Alcohol Intake: A Nonhuman Primate Model, Whitney Faith Maxwell
A Longitudinal Study Of The Effect Of At Birth Adoptions On Anxiety, Stress Hormones And Adolescent Alcohol Intake: A Nonhuman Primate Model, Whitney Faith Maxwell
Theses and Dissertations
Adopted individuals have an increased risk for a variety of psychopathological disorders. Studies of the effects adoption in humans are difficult to perform because of the difficulty separating genetic risk and treatment effects. This is a developmental study investigating the effects of at birth adoption using a nonhuman primate model. Three experimental paradigms were used to assess maternal treatment, stress-related behavior, and physiology late in infancy and again later in life. Rhesus monkeys were reared for their first six months of life by either their biological mother or an unrelated, lactating adult female. Adoptions occurred immediately following birth. At six …
Stress Responses And Attachment Of Listeria Monocytogenes In Food, Dongryeoul Bae
Stress Responses And Attachment Of Listeria Monocytogenes In Food, Dongryeoul Bae
Theses and Dissertations
The rates of the US hospitalization and mortality caused by Listeria monocytogenes was estimated to be the highest of 31 food-borne pathogens including Salmonella, Escherichia coli, Campylobacter, and Clostridium. This pathogen has an ability to survive under extreme conditions widely found in the natural environment and food. Among 13 serovars L. monocytogenes serovar 4b, 1/2a and 1/2b are mainly associated with human listeriosis outbreaks. The deadliest outbreaks of human listeriosis and massive product recalls in multi-states were associated with ready-to-eat (RTE) food products such as mexican-style cheese, turkey deli meat, cabbage, and cantaloupes contaminated with the bacterium. Thus, contamination of …
Dispositional Mindfulness And Cardiovascular Functioning Under Stress: Predictions Of Social Evaluative Stress Reactivity And Recovery, Melissa P. Holt
Dispositional Mindfulness And Cardiovascular Functioning Under Stress: Predictions Of Social Evaluative Stress Reactivity And Recovery, Melissa P. Holt
Theses and Dissertations
Mindfulness – a receptive attentiveness to present experience – has been shown to promote more adaptive emotion regulation (Brown et al. 2008). Additionally, dispositional mindfulness has been shown to predict reduced cortisol response to social stressors (Brown et al, in press) and mindfulness training has been shown to promote more adaptive cardiac functioning at rest (Ditto et al., 2006; Tang et al., 2009; Telles et al., 2005; Zeidan et al., 2010) and in response to social stressors (Kemeny et al., 2012). To better understand the regulatory potential of a mindful disposition on cardiovascular functioning in healthy adult participants (N = …
Assessing The Effects Of Stress Resilience Training On Visual Discrimination Skills: Implications For Perceptual Resilience In U.S. Warfighters, Andrea Taylor
Theses and Dissertations
Current military operational environments are highly improvised and constantly evolving, threatening the lives of U.S. warfighters. For instance, since 2001, 60% of all hostile casualties and 65% of hostile injuries in the Middle East theater have been attributed to improvised explosive devices (IEDs). IEDs are powerful physical weapons, and the stressful atmosphere they, and other operational challenges create, can also result in a range of psychological dysfunctions, including anxiety, depression, alcohol abuse, and Post-Traumatic Stress Disorder (PTSD). Not only are these issues concerning for mental health reasons, they are also problematic in terms of combat performance. Extreme arousal (i.e., stress) …
Vowel Quality And Language Contact In Miami-Cuban Spanish, Brandon M. Rogers
Vowel Quality And Language Contact In Miami-Cuban Spanish, Brandon M. Rogers
Theses and Dissertations
The current study investigated vowel quality in Miami Cuban Spanish, looking specifically at the influence of English on the Spanish vowel system. The vowel production of eleven Miami Cubans from three generations is investigated. Subjects include six males and five females. Three different elicitation instruments were used. The first was a brief sociolinguistic interview, the second was a story that the participants were asked to read aloud. Carrier words were embedded into the story in order to obtain multiple samples of both stressed and unstressed vowels. For the third instrument, subjects were asked to read a list of words with …
Determination Of Effective Training Methods To Learn A Laparoscopic Camera Navigation Task Under Stressful Environments, Devnath Vasudevan
Determination Of Effective Training Methods To Learn A Laparoscopic Camera Navigation Task Under Stressful Environments, Devnath Vasudevan
Theses and Dissertations
Stress in surgical environment is generally very high and can result in performance degradation increasing patient risk .Current Training systems for learning minimally invasive surgical skills do not consider the component of stress in their training model. In this study the focus was on developing alternative training models that would allow the learner to effectively perform minimally invasive skill under stress. Two alternate training methods: 1) Training under stress until high performance levels and 2) training until high performance and low cognitive load are achieved were considered for this study. The control group consisted of training under no stress and …
Biobehavioral Correlates In Fibromyalgia, Ann Trivigno Mcnallen
Biobehavioral Correlates In Fibromyalgia, Ann Trivigno Mcnallen
Theses and Dissertations
Introduction: Fibromyalgia (FMS) is a chronic pain syndrome characterized by non-restorative sleep, and fatigue. Over 75% of individuals with FMS complain of poor sleep quality and fatigue. These have been ranked by patients with FMS as having great impact on quality of life. A literature review suggested that poor sleep quality may be a predictor of increased stress and FMS symptom onset in those affected. However, no experimental studies have demonstrated a causal relationship between poor sleep and stress in people with FMS. Methods: Using a single stage cross-sectional design, the primary study aim was to compare 25 women with …