Psychology Commons^™

U.S. Military Veterans Transition To Two Midwest Universities: Post-Traumatic Stress Disorder, Moral Injury, And Academic Outcomes, Malychanh T. Bartlett

Dissertations

Abstract

Objective: To examine the association between posttraumatic stress disorder (PTSD) and moral injury (MI) and the extrinsic factors of the degree of negative patterns of healthy behaviors and negative experiences in an academic setting, the moderating effects of social support on PTSD and MI symptomatology, and the perception of academic success and positive perception of academic experience. Additionally, to examine the mediating effect of intrinsic factors (perceived academic experience) on academic outcomes objectively and subjectively.

Background: Student veterans as non-traditional students face challenges transitioning to the academic environment. Some have underlying mental and psychological complications of PTSD and MI, …

Hiv And Early Life Stress On Neuroimaging And Risky Behavior, Paola Garcia Egan

Dissertations

This study examined the interactive effects of early life stress (ELS) and HIV on brain morphometry, diffusion-basis-spectrum-imaging (DBSI), risky decision-making, and sex-risk behavior. 122 people with HIV (PWH) and 113 people without HIV (PWoH), free of major psychiatric illness and neurological confounds, were stratified into high (≥ 3 events) vs. low (< 3 events) ELS [PWoH/low ELS (n = 57), PWoH/high ELS (n =56), PWH/low ELS (n = 43), PWH/high ELS (n = 79)] and underwent structural magnetic resonance imaging, DBSI, neuropsychological, and risky-behavior assessment; all PWH were virologically controlled. Compared to PWoH, PWH had smaller orbitofrontal cortex (OFC), parietal lobes, insula, caudate and anterior cingulate. No ELS effects were detected in volumetric measures. Significant interactions were found between HIV serostatus and ELS on the OFC and on cellularity of the inferior fronto-occipital fasciculus after multiple comparisons adjustment. Specifically, PWH/high ELS exhibited significantly smaller OFC and PWoH/high ELS show significantly larger OFC than the other groups. PWoH/high ELS exhibited higher DBSI cellularity (neuroinflammation proxy) of the inferior-occipital-fasciculus compared to PWoH/high ELS. Regardless of HIV status, executive function moderated the relationship between the OFC and sex-risk behavior such that individuals within the sample who performed above average on a measure of executive function and had a larger OFC reported fewer sex partners in past six months than individuals with smaller volumes. No interaction was found between HIV serostatus and ELS on risky behavior measures. Clustering analyses defined ELS subgroups in PWH that were determined by demographic characteristics, duration of infection, recent CD4+ T-cell count, nadir CD4+ T-cell count and high/low ELS.Even in PWH that are virologically controlled, without major current psychiatric comorbidities, there is evidence of a synergistic impact of ELS and HIV on OFC volumes. Higher volumes in the OFC were detrimental when associated with lower executive function scores or advantageous when associated with higher executive function. Findings suggest that ELS is associated with different brain signatures among PWoH and virally suppressed PWH. However, ELS was not directly associated with risky behaviors, and subgroups in PWH were characterized by demographic variables, past substance use and HIV clinical variables.

Empowering Nurses Of Minority In The Face Of Incivility And Bullying: Through The Lens Of Phenomenology, Corrine Floyd

Dissertations

Abstract

Up to 85% of nurses have reported exposure to incivility in the workplace (Hunt & Marini, 2012). The often-subtle nature of incivility toward nurses in a minority population may partially explain why it remains a problem. Healthcare organizations realize the need for civility to counter the high turnover rate, staff shortages, and low job satisfaction reported by nurses, but lack understanding of how nurses of a minority population perceive incivility and bullying. This study aimed to answer the research question how do nurses with minority representation experience incivility and bullying versus empowerment in the workplace? A descriptive phenomenological design …

Validation Of The Barkley Deficits Of Executive Functioning Scale-Short Form, Brian Sheble

Dissertations

The Barkley Deficits of Executive Functioning-Short Form (BDEFS-SF) is a short rating scale measuring executive functioning in adults. The BDEFS-SF was developed using the 5 highest loading questions from the BDEFS-LF. Consequently, the psychometric qualities of the BDEFS-SF were not investigated using formal methods. In this study, the psychometric attributes of the BDEFS-SF were examined using two separate but similar groups. The first group of 264 men and women aged 18-35 years old completed the BDEFS-SF via an internet survey. The second group of 36 men and women aged 18-35 years old completed the BDEFS-SF and individualized assessments of executive …

Repercussive Discrimination: Racial Discrimination As An Explanation Of Prevalent Homophobia Among Racial Minorities, Timothy E. Lewis

Dissertations

Generally, attitudes in the United States towards lesbian, gay, bisexual, transgender, and intersex (LGBTI) persons have become more favorable in recent years. Obviously, examining the politics of LGBTI persons and attitudes towards them is important considering that this demographic may account for 10% of the U.S. population; but a more inconspicuous reason it that examinations provide insight into the political landscape of how political minorities address various issues and interests. However, in studying public opinion towards gays and lesbians it is discovered that racial minorities, particularly African-Americans, generally possess negative attitudes to LGBTI persons and possess higher percentages of homophobic …