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Portland State University

Dissertations and Theses

2012

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Articles 1 - 17 of 17

Full-Text Articles in Medicine and Health Sciences

Insights And Blind Spots: A Qualitative Analysis Of Risk In Psychiatric Security Review Board Hearings, Abby Kealani Balfour Dec 2012

Insights And Blind Spots: A Qualitative Analysis Of Risk In Psychiatric Security Review Board Hearings, Abby Kealani Balfour

Dissertations and Theses

The prevalence and consequences of the insanity plea, titled "guilty except for insanity" in the State of Oregon, are fraught with misconceptions. The use of the plea requires a complex set of interactions between the mental health and criminal justice systems, and comes with severe costs for people who use it. Most of the research on the psychological aspects of the insanity plea emphasizes empirical validity in the form of risk assessment instruments and/or the biomedical model with its focus on disease and illness. This thesis analyzes from community psychology and critical theory perspectives the decision process of hearings held …


The Effects Of Yoga Therapy On The Quality Of Life For A Paraplegic Individual, Allison Renee Purdy Jul 2012

The Effects Of Yoga Therapy On The Quality Of Life For A Paraplegic Individual, Allison Renee Purdy

Dissertations and Theses

The purpose of this study was to document the effects that a regular yoga therapy practice has on the quality of life for a paraplegic individual. Due to the unique nature of spinal cord injury (SCI), this was a case study with one participant. For 5 weeks the subject practiced a standardized yoga routine three times a week with a yoga teacher, receiving private instruction. Interview questions were asked before and after the intervention to document the participant's quality of life. Each week, the subject completed a modified SF-36 questionnaire as well as Cohen's Perceived Stress Survey. Perceived pain and …


Relative Heart Ventricle Mass And Cardiac Performance In Amphibians, Gregory Joseph Kluthe Jan 2012

Relative Heart Ventricle Mass And Cardiac Performance In Amphibians, Gregory Joseph Kluthe

Dissertations and Theses

This study used an in situ heart preparation to analyze the power and work of spontaneously beating hearts of four anurans (R. marina, L. catesbeianus, X. laevis, P. edulis) and three urodeles (N. maculosus, A. tigrinum, A. tridactylum) in order to elucidate the meaning of relative ventricle mass (RVM) in terms of specific cardiac performance variables. This study also tests two hypotheses: 1) the ventricles of terrestrial species (R. marina, P. edulis, A. tigrinum) of amphibians are capable of greater maximum power outputs (Pmax) compared to aquatic species (X. laevis, A. tridactylum, N. maculosus, L. catesbeianus) and, 2) …


Development And Implementation Of Acoustic Feedback Control For Scanning Probe Microscopy, Rodolfo Fernandez Rodriguez Jan 2012

Development And Implementation Of Acoustic Feedback Control For Scanning Probe Microscopy, Rodolfo Fernandez Rodriguez

Dissertations and Theses

A remote-sensing acoustic method for implementing position control feedback in Scanning Probe Microscopy (SPM) is presented. The capabilities of this feedback control using the new Whispering Gallery Acoustic Sensing (WGAS) method is demonstrated in a Shear-force Scanning Probe Microscope that uses a sharp probe attached to a piezoelectric Quartz Tuning Fork (QTF) firmly mounted on the microscope's frame. As the QTF is electrically driven its mechanical response reaches the SPM frame which then acts as a resonant cavity producing acoustic modes measured with an acoustic sensor strategically placed on the SPM head. The novelty of the WGAS resides in using …


Gendering Gardasil: Framing Gender And Sexuality In Media Representations Of The Hpv Vaccine, Maura Kathleen Pisciotta Jan 2012

Gendering Gardasil: Framing Gender And Sexuality In Media Representations Of The Hpv Vaccine, Maura Kathleen Pisciotta

Dissertations and Theses

In an age of biomedicine, technologies, drugs, and treatments are expanding in new and diverse ways. Especially relevant to biomedicalization and this research is how such information is conveyed to the public through the media. Medical information is omnipresent in the media through direct-to-consumer (DTC) advertising and regular coverage of health topics in the news. The accessibility and proliferation of medical information provides an important opportunity to examine the ways in which these topics are framed in the media. This research specifically examines the framing of the HPV vaccine, Gardasil in the mass media. In this study, I explore how …


Coping With Interpersonal Conflicts At Work: An Examination Of The Goodness Of Fit Hypothesis Among Nurses, Robert Randon Wright Jan 2012

Coping With Interpersonal Conflicts At Work: An Examination Of The Goodness Of Fit Hypothesis Among Nurses, Robert Randon Wright

Dissertations and Theses

Increasingly, evidence indicates that workplace interpersonal conflicts (WIC) are the most upsetting/troublesome daily work stressors (Sulsky & Smith, 2007), and within the context of nursing, WIC is a problem of high prevalence and intensity (Baltimore, 2006; Farrell, 1999). In relation to coping with stressors such as WIC, Lazarus and Folkman (1984) established the transactional model of stress and coping, where cognitive appraisals of the stressor (e.g., perceived control) are central to coping and classified all coping behaviors as either problem-focused or emotion-focused. They also proposed the "goodness of fit hypothesis", which predicts that problem-focused coping efforts used to cope with …


Heart Rate And Accelerometry During Singles Footbag Net Play, Christopher Michael Siebert Jan 2012

Heart Rate And Accelerometry During Singles Footbag Net Play, Christopher Michael Siebert

Dissertations and Theses

This investigation examined the heart rate responses and movement characteristics of experienced footbag net players during singles play. Footbag net is a net/court sport similar to volleyball, but it is played with a footbag (e.g., Hacky-SackTM) using only the feet. In singles footbag net, players are allowed either one or two kicks to propel the footbag over the net. Subjects were 15 males and 1 female, ranging in age from 18- 60 years, with a mean age of 33.6 years. Subjects played two games of singles footbag net using two different scoring systems: "sideout" scoring and "rally" scoring. …


Euthanasia, The Ethics Of Patient Care And The Language Of Propaganda, Elizabeth Maria Krapf Jan 2012

Euthanasia, The Ethics Of Patient Care And The Language Of Propaganda, Elizabeth Maria Krapf

Dissertations and Theses

This thesis is an examination of euthanasia, eugenics, the ethic of patient care, and linguistic propaganda in the Second World War. The examination of euthanasia discusses not only the history and involvement of the facility at Hadamar in Germany, but also discuss the current euthanasia debate. Euthanasia in World War II arose out of the Nazi desire to cleanse the Reich and was greatly influenced by the American eugenics movement of the early 20th century. Eugenics was built up to include anyone considered undesirable and unworthy of life and killed many thousands of people before the invasion of allied troops …


Nine Months, Esther Lim Jan 2012

Nine Months, Esther Lim

Dissertations and Theses

This is a collection of short stories that traces a chronological movement through one family's experience of the mother's illness. Each piece in the collection is meant to be an independent, free-standing short story. Each story is different, told from distinctive points-of-view, angles, and voices. However, every story covers a span of time within the nine months of the family's experience, in the presented order, as part of a collective movement toward the core. All together, the pieces hope to reflect a mosaic of sorts--one that tells a story that cannot otherwise be told.


Exploring Support Network Structure, Content, And Stability As Youth Transition From Foster Care, Jennifer E. Blakeslee Jan 2012

Exploring Support Network Structure, Content, And Stability As Youth Transition From Foster Care, Jennifer E. Blakeslee

Dissertations and Theses

Many older youth in foster care lack adequate resources and ongoing support in their social networks as they transition into young adulthood, while other youth in these circumstances experience stable social networks providing comprehensive support. Systematically measuring the supportive personal and service-oriented relationships in youth networks expands the scope of inquiry in this area by identifying patterns of social network structure, member composition, and relational qualities that are associated with more or less support provision through formal and informal relationships. These can also be measured over time to observe changes in network form and content and assess network stability. This …


Designing New Drugs To Treat Cardiac Arrhythmia, Yanping Ye Jan 2012

Designing New Drugs To Treat Cardiac Arrhythmia, Yanping Ye

Dissertations and Theses

Heart failure resulting from different forms of cardiomyopathy is defined as the inability of the heart to pump sufficient blood to meet the body's metabolic demands. It is a major disease burden worldwide and the statistics show that 50% of the people who have the heart failure will eventually die from sudden cardiac death (SCD) associated with an arrhythmia. The central cause of disability and SCD is because of ventricular arrhythmias. Genetic mutations and acquired modifications to RyR2, the calcium release channel from sarcoplasmic reticulum, can increase the pathologic SR Ca2+ leak during diastole, which leads to defects in SR …


Stress Reactions Of Division-I Track Athletes, Laura Elizabeth Skarda Jan 2012

Stress Reactions Of Division-I Track Athletes, Laura Elizabeth Skarda

Dissertations and Theses

Problem: Track and field athletes, along with cross-country athletes have multiple and back to back seasons, creating overuse injuries. Stress fractures or stress reactions to the bone are the overuse injuries focused on in this study and literature review. There is a lack of information in the literature regarding stress reactions. Purpose: The goal of the study is to understand more information about stress reactions to bone and possibly increase the knowledge of health care professionals. Methods: Three case studies were examined through pre-existing medical chart notes and athletic trainer's notes regarding the stress reactions. A literature review was also …


Oral Health Knowledge, Attitudes, And Behaviors: Investigation Of An Educational Intervention Strategy With At-Risk Females, Susan Romano Rustvold Jan 2012

Oral Health Knowledge, Attitudes, And Behaviors: Investigation Of An Educational Intervention Strategy With At-Risk Females, Susan Romano Rustvold

Dissertations and Theses

A self-perpetuating cycle of poor health literacy and poor oral health knowledge and behavior affects approximately 90 million people in the United States, most especially those from low-income groups and other at-risk populations such as those with addiction. Poor oral health can result from lack of access to regular preventive dental appointments, lack of access to restorative care when dental diseases are treatable, and low oral health knowledge that leads to poor oral health self-care behaviors. In addition, patients' dental anxiety can impede care, because highly anxious people often avoid dental appointments. To address these issues, this inquiry examined oral …


Conscientiousness As A Moderator Of The Relationship Between Work Autonomy And Job Satisfaction, Kyle Garret Mack Jan 2012

Conscientiousness As A Moderator Of The Relationship Between Work Autonomy And Job Satisfaction, Kyle Garret Mack

Dissertations and Theses

Autonomy is one of the most commonly studied job characteristics in the work design literature and is commonly associated with large and positive effects on job satisfaction. There is reason to believe that autonomy may interact with personality characteristics to affect attitudinal outcomes, but prior research has tended to focus on the original growth-need-strength construct as a potential moderator with mixed results. One glaring gap in the literature is the lack of research that examines the Big Five constructs of personality as a potential class of moderators. Grant, Fried, and Juillerat (2010) have suggested additional research into the Big Five …


Humor-Related Social Exchanges And Mental Health In Assisted Living Residents, Ann Elizabeth Mcqueen Jan 2012

Humor-Related Social Exchanges And Mental Health In Assisted Living Residents, Ann Elizabeth Mcqueen

Dissertations and Theses

Social contact is known to be vital for older adults' mental and physical health, but few studies of social interactions have taken place in long-term care settings. The current study investigated whether the psychological well-being of assisted living residents was influenced by factors associated with residents' social interactions involving humor. Specific aims of the present study were to develop and test a measure related to humor-related social exchanges, to examine how humor-related social exchanges affect residents' mental health, and to explore whether humor-related social exchanges mediated the effects of resident and facility characteristics on indices of mental health. One hundred …


Short-Term Plasticity At The Schaffer Collateral: A New Model With Implications For Hippocampal Processing, Andrew Hamilton Toland Jan 2012

Short-Term Plasticity At The Schaffer Collateral: A New Model With Implications For Hippocampal Processing, Andrew Hamilton Toland

Dissertations and Theses

A new mathematical model of short-term synaptic plasticity (STP) at the Schaffer collateral is introduced. Like other models of STP, the new model relates short-term synaptic plasticity to an interaction between facilitative and depressive dynamic influences. Unlike previous models, the new model successfully simulates facilitative and depressive dynamics within the framework of the synaptic vesicle cycle. The novelty of the model lies in the description of a competitive interaction between calcium-sensitive proteins for binding sites on the vesicle release machinery. By attributing specific molecular causes to observable presynaptic effects, the new model of STP can predict the effects of specific …


Risk Factors For Homelessness Among Community Mental Health Patients With Severe Mental Illness, Rupert Talmage Van Wormer Jan 2012

Risk Factors For Homelessness Among Community Mental Health Patients With Severe Mental Illness, Rupert Talmage Van Wormer

Dissertations and Theses

The purpose of this study was to identify risk factors associated with homelessness, assess the relationship between housing status and consumption of costly publicly funded resources, to identify characteristics associated with service retention, and to evaluate whether length of treatment is associated with better outcomes. The target population was homeless and formerly homeless adults with SMI enrolled in community mental health services at the Downtown Emergency Service Center SAGE mental health program located in Seattle. The sample consisted of 380 SAGE patients who had continuous enrollment in 2005. These patients formed the cohort for the study. Agency records for these …