This dissertation examines the impact of trauma on information-seeking behaviors and decision-making processes. Essay 1 includes a qualitative analysis of the transcripts obtained from interviews with four military service members diagnosed with PTSD. The results showed that 75% of this small sample population exhibited addictive behavior that was presented in their information behaviors. All four members indicated that the excessive extent to which they seek information is related to the perceived importance of the information and their level of trust in the sources. Low trust in information sources increases the number of sources searched for validation in this population. Essay 2 involved the collection and analysis of survey data. The results of the stepwise backward regression show that two trauma variables (adult sexual assault, sudden fear) have a significant combined negative effect on decision-making in this population. The analysis and results of a different survey are presented in Essay 3. The stepwise logistic regression analysis results conducted on the summated scales developed showed a strong positive link between trust in scientific experts for scientific information and the dichotomous dependent variable trust in social media for news. The research conducted in this dissertation extends the understanding of how trauma affects people's information-seeking habits and decision-making processes. The findings have implications for how to communicate, policies relevant to information dissemination, and mental health measures. Future research is suggested to understand these behaviors and potential treatments better.

Aus der Studie und den Ergebnissen können wertvolle Impulse abgeleitet werden. Es darf nicht aus den Augen verloren werden, dass junge Menschen mit traumatisierenden Erfahrungen spezifische Perspektiven (Kenny, Dooley, & Fitzgerald, 2016) und Bedenken in Bezug auf die Vertrauenswürdigkeit von KI (Grasser, 2020) haben können. Demzufolge ist wichtig, die subjektive Sicherheit sowie andere Einflussgrößen auf die Nutzung von KI und E-Health Angeboten zu kennen und in Betracht zu ziehen. Ferner zeigen Studien, dass E-Health Literacy (E-Health-Kompetenz) bei minderjährigen Geflüchteten eher gering ist (Bergmann, Nilsson, Dahlberg, Jaensson, & Wångdahl, 2021) und Forschung zur Erhöhung des Uptake von qualitativ hochwertigen Angeboten dringend benötigt wird. Die Integration der Zielgruppe kann jedoch nur dann gelingen, wenn die E-Health-Apps als wichtig erkannt werden und bei ihrer Umsetzung darauf geachtet wird, dass sie praktikabel sind. [Aus: Zusammenfassung]

Det finns en väldigt begränsad mängd med studier som beskriver erfarenheter och upplevelser i det dagliga livet hos personer som lever med svår dissociation och diagnoser såsom dissociativ identitetsstörning. En ökad kunskap inom området är av yttersta vikt för att öka förståelsen, minska risken för feldiagnostiseringar med komorbida diagnoser och minska stigmatiseringen för denna utsatta patientgrupp. Syftet med studien var att beskriva erfarenheter av det dagliga livet hos personer som upplever svår dissociation ofta efter svåra eller upprepade trauman. Elva stycken texter skrivna av personer med svår dissociation, analyserades med kvalitativ innehållsanalys. Resultatet beskriver textförfattarnas erfarenheter av det dagliga livet med svår dissociation i temat “Att överleva det som borde ha förintat oss” med subteman “Frånvaro är livräddande, men det är i nuet som livet, smärtan och hoppet finns”; “Att behöva ta hänsyn till olika viljor som inte är integrerade”; “Att behöva lägga energi på att hantera sitt inre liv”; “Jag öser några skopor från mitt översvämmade inre, men är det någon som hör?” och “Hur kan någon som förväntas älska och skydda mig göra så mot oss?”. Slutsatsen är att det är svårt och smärtsamt att leva med svår dissociation, men att det trots all smärta och lidande finns hopp om att överleva det som borde ha förintat en.

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This paper depicts a U.S. veteran and graduate student’s experience using meditation, artmaking, and journaling to target the effects of trauma and its symptoms of post-traumatic stress disorder and dissociation. This is a self-study utilizing art as the main method for communication and knowing. The data was gathered by using a combination of Pat Allen’s Open Studio Process and elements of the Art Therapy Trauma Protocol using bilateral artmaking in a five-session process conducted in a local art studio in San Diego. The meditation was conducted as a contemplative practice with attention and intention focusing on traumatic experiences. Fragmented memories and phenomenological experiences were stimulated during the research process through metaphoric content in the art and archetypal visualizations during meditation. These were explored through the multiple phases of meditation, artmaking, observing, and journaling. This process allowed for integration and healing through meaning making, bilateral stimulation, and somatic experiencing.

Dans l’optique d’améliorer l’efficience du réseau de la santé, le concept du « quadruple objectif » souligne l’importance de prendre en considération autant la santé des patients que celle des travailleurs de la santé. Par ailleurs, le concept de « vulnérabilité/stress » réfère au risque de développer des problématiques en santé psychologique lorsqu’un individu possédant une certaine vulnérabilité est soumis à un stresseur. En envisageant ces deux concepts, cette thèse s’est intéressée aux patients et aux travailleurs de la santé faisant face à un stresseur. Quoique peu connus et véhiculés, ces derniers constituent une population avec une certaine vulnérabilité sur le plan psychologique, avec une présence plus élevée de problématiques en santé psychologique que dans la population générale. D’abord, un premier article de revue systématique et méta-analyse de la littérature a vérifié la prévalence du trouble de stress post-traumatique chez des patients ayant subi un traumatisme de type médical. L’objectif était de comparer cette prévalence à la suite de huit différents traumatismes médicaux. Les prévalences les plus élevées 24 mois ou plus après avoir subi l’expérience du trauma étaient celles à la suite d’une conscience peropératoire (18,5 %), d’un séjour aux soins intensifs (14,8 %) et d’une transplantation d’organe (10,3 %), avec en huitième rang l’épilepsie (4,5 %). Cette étude a permis de clarifier les contextes médicaux les plus associés au développement d’un trouble de stress post-traumatique. Ensuite, les trois autres articles de cette thèse se sont intéressés aux travailleurs de la santé à la suite de la pandémie de COVID-19. Dans le premier article, les résultats d’une étude transversale menée trois mois suivant le début de la pandémie sont présentés. L’objectif était d’évaluer la prévalence de la santé psychologique (l’épuisement professionnel et trois psychopathologies : le trouble de stress post-traumatique, l’anxiété et la dépression) et vérifier les facteurs de protection associés. La moitié (51,8 %) des travailleurs interrogés présentaient une symptomatologie d’épuisement professionnel et environ le tiers (35,6 %) présentaient des symptômes élevés d’au moins une des psychopathologies. La résilience et le soutien organisationnel perçu étaient les facteurs de protection significativement associés à l’épuisement professionnel. Le deuxième article avait pour objectif d’ajouter une variable biologique à nos modèles statistiques, le cortisol au niveau capillaire, dans le but de vérifier l’effet sur la prédictibilité de ces modèles. Un lien significatif entre l’épuisement professionnel et l’évolution du cortisol a été déterminé, et cette association permettait d’améliorer la prédictibilité du modèle de régression pour l’épuisement professionnel. Finalement, une nouvelle étude transversale douze mois après le début de la pandémie a été répétée dans le but de vérifier l’évolution de la santé psychologique et des facteurs associés. La santé psychologique chez les travailleurs de la santé s’est soit stabilisée (pour l’épuisement professionnel et l’anxiété) ou améliorée (pour le trouble de stress post-traumatique et la dépression) entre trois et douze mois après le début de la pandémie. Les principaux facteurs de protection contre l’épuisement professionnel sont demeurés la résilience et le soutien organisationnel perçu. En somme, ce travail de doctorat a permis d’enrichir les connaissances sur la santé psychologique des patients ou des travailleurs de la santé faisant face à un stresseur. / To improve the efficiency of the healthcare network, the concept of “quadruple objective” underlines the importance of considering the health of patients and healthcare workers. Moreover, the concept of “vulnerability/stress” refers to the added risk of developing psychological distress when an individual with a specific vulnerability is subjected to a stressor. Considering these two concepts, this thesis focused on patients and healthcare workers facing a significant stressor. Although little known and not widely publicized, these groups represent populations with a particular psychological vulnerability, with higher distress rates than the general population. First, a systematic review and meta-analysis of the literature verified the prevalence of posttraumatic stress disorder in patients who had suffered a medical trauma. The aim was to compare the prevalence of eight different types of traumas. The highest prevalence 24 months or more after experiencing the medical condition was following intraoperative consciousness (18.5%), intensive care unit stay (14.8%) and organ transplantation (10.3%), with epilepsy (4.5%) coming in eighth place. This study clarified the medical contexts most associated with developing posttraumatic stress disorder. The other three articles in this thesis focused on healthcare workers in the aftermath of the COVID-19 pandemic. The first article presents the results of a cross-sectional study conducted three months after the pandemic’s start. The aim was to assess the prevalence of psychological distress (burnout and three psychopathologies: posttraumatic stress disorder, anxiety and depression) and verify associated protective factors. Half (51.8%) of the workers surveyed had symptoms of burnout and around a third (35.6%) had high levels of at least one of the psychopathologies. Resilience and perceived organizational support were the protective factors significantly associated with burnout. The aim of the second paper was to test the effect of adding a biological variable to our statistical models, namely hair cortisol accumulation. A significant association between burnout and cortisol evolution was determined, and this association improved the predictability of the regression model for burnout. Finally, another cross-sectional study was conducted twelve months after the pandemic’s start to verify the evolution of psychological distress and associated factors. Distress among healthcare workers either stabilized (for burnout and anxiety) or improved (for posttraumatic stress disorder and depression) between three and twelve months after the start of the pandemic. The main protective factors against burnout remained resilience and perceived organizational support. In summary, this doctoral work has enriched the knowledge of the psychological health of patients or healthcare workers facing a significant stressor

Objective: Many women experience traumatic events already prior to or during pregnancy, and delivery of a child may also be perceived as a traumatic event, especially in women with prior post-traumatic stress disorder (PTSD). Birth-related PTSD might be unique in several ways, and it seems important to distinguish between lifetime PTSD and birth-related traumatization in order to examine specific consequences for mother and child. This post-hoc analysis aims to prospectively examine the relation of both, lifetime PTSD (with/without interpersonal trauma) and birth-related traumatization (with/without postpartum depression) with specific maternal and infant outcomes. Methods: In the prospective-longitudinal Maternal in Relation to Infants’ Development (MARI) study, N = 306 women were repeatedly assessed across the peripartum period. Maternal lifetime PTSD and birth-related traumatization were assessed with the Composite International Diagnostic Interview for women. Maternal health during the peripartum period (incl. birth experience, breastfeeding, anxiety, and depression) and infant outcomes (e.g., gestational age, birth weight, neuropsychological development, and regulatory disorders) were assessed via standardized diagnostic interviews, questionnaires, medical records, and standardized observations. Results: A history of lifetime PTSD prior to or during pregnancy was reported by 25 women who indicated a less favorable psycho-social situation (lower educational level, less social support, a higher rate of nicotine consumption during pregnancy). Lifetime PTSD was associated with pregnancy-related anxieties, traumatic birth experience, and anxiety and depressive disorders after delivery (and in case of interpersonal trauma additionally associated with infant feeding disorder). Compared to the reference group, women with birth-related traumatization (N = 35) indicated numerous adverse maternal and infant outcomes (e.g., child-related fears, sexual problems, impaired bonding). Birthrelated traumatization and postpartum depression was additionally associated with infant feeding and sleeping problems. Conclusion: Findings suggest that both lifetime PTSD and birth-related traumatization are important for maternal and infant health outcomes across the peripartum period. Larger prospective studies are warranted. Implications: Women with lifetime PTSD and/or birth related traumatization should be closely monitored and supported. They may benefit from early targeted interventions to prevent traumatic birth experience, an escalation of psychopathology during the peripartum period, and adverse infant outcomes, which in turn may prevent transgenerational transmission of trauma in the long term.

Text in Afrikaans / Summaries in Afrikaans and English / Vigs is 'n "sluipende moordenaar "_ Dit toon geen respek vir kultuur, status,ouderdom of geslag nie. Vigs veroorsaak 'n onnnatuurlike dood wat vriende en familie bedreig en vervreem, lank na die dood van die vigsslagoffer. Die navorsingsdoel van hierdie studie was om riglyne daar te stel vir die psigoterapeutiese hantering van die vigslyer en sy gesin. Die navorsing het getoon dat 'n stigma en skuldgevoelens rondom die vigslyer en sy gesin ontstaan het, en dat hulle direk verantwoordelik gehou word vir die siekte bloot omdat hulle betrokke is by mekaar. 'n Vraelys wat aspekte (soos dit uit die literatuurstudie geblyk het) inkorporeer, is opgestel en aan die vigslyer en sy gesin gegee om te voltooi. Van die belangrikste elemente wat na vore gekom het, is die vrees vir die onbekende, die stigma verbonde aan die siekte en die pad wat die siekte loop ten opsigte van naiwiteit en valse gerugte ten opsigte van die siekte. 'n Verdere hoofstuk fokus op die literatuur om die hoofaspekte van die probleem vas le stel, en sodoende riglyne vir 'n terapieprogram daar te stel om die vrese te onderskep en die familie te help om die siekte beter te begryp_ Die doel is om die samelewing te laat begryp dat vigs nie 'n kulturele of "klas" siekte is nie, maar dat dit alle lae van die samelewing kan tref. 'n Afdeling is gewy aan 'n wye verskeidenheid terapeutiese tegnieke wat geimplimenteer kan word tydens hulpverlening aan die vigslyer en sy gesinslede. Verder verskaf hierdie studie ook riglyne om ondersteuning en hulp aan die vigslyer en sy gesin te bied, om sodoende hulle selfkonsep te verbeter. / Aids is a "stalking killer''. It has no respect for culture, breeding, age or sex. It is an unnatural death which offends and alienates many friends and family, even after the victim has died. A questionnaire incorporating important aspects of the cause and effect of aids was compiled and given to the aids sufferers and family to complete. From the responses it was clearly evident that the fears of the unknown, the stigma attached to the victim's close associates and family, was a problem, and the route course of incredible naive and false rumours. A chapter of the research focused on literature to establish what was the major aspects of the problem expressed by the media. Guidelines were provided whereby therapy could address and allay these fears to assist the family to better understand the illness and it's effects. This chapter has in mind to provide the Psychologist with guidelines to provide therapy to both the victim and the family in this regard. This study confirms that the survivors are the actual victims. / Educational studies / M.Ed. (Voorligting)