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Articles 1 - 6 of 6
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Neuronal Correlates For Neuroendocrine Habituation To Repeated Stress, Sara Matovic
Neuronal Correlates For Neuroendocrine Habituation To Repeated Stress, Sara Matovic
Electronic Thesis and Dissertation Repository
One way that the body actively responds to an impending stressor is by increasing systemic glucocorticoids through the activation of the hypothalamic-pituitary-adrenal (HPA) axis. While it is essential for short-term adaptation to stress, the sustained activation of the HPA axis during chronic stress can be detrimental and is linked to stress-related psychiatric conditions such as anxiety and depression. Therefore, it is important that the HPA axis adapts, or habituates, during chronic stress to minimize the negative consequences. Corticotropin releasing hormone (CRH) neurons in the paraventricular nucleus of the hypothalamus (PVN) function to assimilate incoming information from the stress circuitry and …
Early Life Immune And Physical Stress Directly Influences Anxiety-Like Behaviour In Adolescent Rats: Examining Sex Differences, Jordan M. Ward
Early Life Immune And Physical Stress Directly Influences Anxiety-Like Behaviour In Adolescent Rats: Examining Sex Differences, Jordan M. Ward
Electronic Thesis and Dissertation Repository
This thesis examined the effects of neonatal acute immune activation with the endotoxin, lipopolysaccharide (LPS) on postnatal days 3 and 5 on adolescent anxiety-like behaviour in rats before and after a stress period. Previous research has shown that adults rats exposed to LPS during the neonatal stage show anxiety-like behaviour following a period of stress. This thesis investigated this effect in adolescence. The present results showed significantly higher anxiety-like behaviour in saline controls, and a potential neuroprotective effect of low dose LPS (15 µg/kg) contrary to what was reported in adult rats. As well, a phase of stressful, aversive conditioning …
Understanding Workplace Incivility Experiences And The Moderating Role Of Mindfulness, Rima C. Tarraf
Understanding Workplace Incivility Experiences And The Moderating Role Of Mindfulness, Rima C. Tarraf
Electronic Thesis and Dissertation Repository
Rude treatment at work can lead to many negative consequences, as evidenced by the wealth of research available. This dissertation, addressed two important questions that have yet to receive adequate attention. First, how does an employee experience incivility, and second, what is a practical and cost-effective way of mitigating the negative outcomes associated with incivility and promoting positive ones? Incivility research has mainly employed quantitative methods to understand incivility experiences. Using qualitative methods however, would complement the knowledge and potentially move the field of inquiry in new directions. As such, the goal of Study One was to obtain a narrative …
Resiliency In The Operating Room: Exploring Trainee Stress During Surgery And The Role Of Individual Resilience, Richard Ng
Electronic Thesis and Dissertation Repository
Surgical trainees experience significant intraoperative stress, which can negatively impact performance and learning. Psychological resilience suggests why some individuals excel despite severe stress. This study explores the relationship between trainee resilience and intraoperative stress. A novel instrument was developed to assess Surgical TRainee Experiences of StresS in the Operating Room (STRESSOR). Focus groups and a literature review identified eight domains of intraoperative stress. STRESSOR was used in a survey of orthopaedic residents in Canada and surgical trainees at Western University. Resiliency was assessed using the 10-item Connor-Davidson Resiliency Scale. 171 responses were received for a 38 percent response rate. The …
Dads And Dyads: Stress And Coping When A Child Has Retinoblastoma, Rob Downie
Dads And Dyads: Stress And Coping When A Child Has Retinoblastoma, Rob Downie
Electronic Thesis and Dissertation Repository
Child psychosocial oncology research offers limited examination of fathers’ and dyadic stress and coping. Retinoblastoma (Rb) is a rare genetic eye cancer occurring at birth or early childhood. This qualitative sociological study examines individual and dyadic stress and coping across 4 fatherhood role categories when their child is diagnosed/treated for Retinoblastoma. Using purposive sampling, 23 Canadian Rb couples and 7 unmatched parents completed individual in-depth, semi-structured interviews. Findings confirm fatherhood role identity is diverse, influenced by the current situation, elements of discourse, and cultural references. Often contested in public and private spheres, fathering roles show transitional or permanent change tied …
Quality Of Life And Sources Of Stress In Teachers: A Canadian Perspective, Jessica R. Danilewitz
Quality Of Life And Sources Of Stress In Teachers: A Canadian Perspective, Jessica R. Danilewitz
Electronic Thesis and Dissertation Repository
Previous research has reported that teaching is one of the most stressful occupations in the world. The present study examined the experience of teachers’ Quality of Life (QOL) and stress, and the relationship between QOL and the source (home life, work-life, or work-life balance) of stress in Canadian teachers. Data for the study was obtained from a comprehensive online survey of female full-time elementary and secondary school teachers across Canada (n = 227). Results demonstrated that all QOL scale scores were lower in the present study, as compared to previously published community sample literature. Of the three sources of stress, …