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Dissertations / Theses on the topic 'Intrusive memories'

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1

Gregory, J. "Intrusive memories and images in bipolar disorder." Thesis, University College London (University of London), 2008. http://discovery.ucl.ac.uk/1443980/.

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The clinical literature on the phenomenology of intrusive memories and intrusive images was reviewed systematically. The methodology adopted in the literature is described before presenting the phenomenological findings of intrusive memories and intrusive images across the following categories: 1) prevalence, 2) sensory qualities, 3) emotions and 4) characteristics. The similarities and differences between intrusive memories and intrusive images across clinical disorders are discussed. It is then considered whether intrusive memories and intrusive images represent separate phenomenon and a pra
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2

Payne, Alexandra. "Intrusive memories in depression and posttraumatic stress disorder." Thesis, University of East Anglia, 2017. https://ueaeprints.uea.ac.uk/66572/.

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Intrusive memories have been identified in the adult literature as not unique to posttraumatic stress disorder (PTSD) but a transdiagnostic process common to many psychological disorders, including depression. However, there remains a lack of consensus regarding the prevalence of intrusive memories in adult depression and research exploring this experience in adolescence is extremely limited. The current thesis portfolio aimed to estimate the prevalence of intrusive memories in adult depression through meta-analysis and to explore this experience in young people with PTSD and depression throug
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3

Scott, Jennifer Anne. "Rumination in adolescent depression : the impact on intrusive memories." Thesis, King's College London (University of London), 2014. https://kclpure.kcl.ac.uk/portal/en/theses/rumination-in-adolescent-depression(96946532-821b-4305-94fc-6db4cf56ee70).html.

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Rumination, a type of repetitive negative thinking, is implicated in the onset and maintenance of adult and youth depression (Nolen-Hoeksema et al., 2008). Whilst experimental studies, key to establishing causality, have shown rumination (in comparison to alternative processing styles including concrete thinking) has a negative effect on cognitive maintaining factors amongst depressed and dysphoric adults, there is a paucity of research with adolescents. Vivid, intrusive memories of autobiographical events are often reported by depressed adults (Brewin et al., 1999). Depressed young people als
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4

Sayan, Stephanie. "Investigating the link between intrusive memories and cognitive control." Thesis, University of St Andrews, 2016. http://hdl.handle.net/10023/15655.

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Intrusive memories are memories for negative autobiographical events that come to mind without being deliberately recalled (Hackmann, Ehlers, Speckens, & Clark, 2004). Previous research has demonstrated that intrusive memories, and negative reactions to intrusive memories, are an important feature of depression (Starr & Moulds, 2006; Williams & Moulds, 2008b) and contribute to the maintenance of depression longitudinally (Newby & Moulds, 2011c). It has also been established that intrusive memory experience is related to individual differences in cognitive control, specifically in proactive int
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5

Williams, Alishia Psychology Faculty of Science UNSW. "Experiential features of intrusive memories in depression and the role of cognitive avoidance in intrusion maintenance." Awarded by:University of New South Wales, 2008. http://handle.unsw.edu.au/1959.4/36794.

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Although recent research has demonstrated that intrusive memories of negative autobiographical events are an overlapping cognitive feature of depression and PTSD, there is still a general paucity of research investigating the prevalence and maintenance of these memories in depression. Accordingly, the current thesis represented a much-needed program of empirically-driven research that delineated the cognitive processes that underpin the manifestation, experience, and persistence of intrusive memories in depression. Firstly, Study 1 used descriptive and correlational methodologies to outline th
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6

Forbes, Amanda Jacqueline. "Intrusive memories and trauma-related symptoms in individuals presenting with dental anxiety." Thesis, University of Edinburgh, 2001. http://hdl.handle.net/1842/26511.

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Research indicates that between 36-40% of people are afraid to visit the dentist, 20% are highly anxious and 5% avoid dental treatments due to severe anxiety (Lindsay & Jackson, 1993). Dental anxiety is known to be a major barrier to optimal health care with individuals fearful of impending invasive procedures often presenting only when in severe pain. Dental anxiety has been found to be based on past memories of experiences of pain and loss of control in the dental setting. Evidence from the literature suggests that some individuals with dental anxiety also present with additional psychologic
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7

Parker, Julie Diane. "Intrusive memories, coping and outcome in depression : towards a traumatic processing model?" Thesis, University of Plymouth, 1997. http://hdl.handle.net/10026.1/2487.

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Recent studies (e.g. Kuyken & Brewin, 1994a) have noted the presence of high levels of disturbing intrusive memories in depressed women. Intrusive memories are best known as a post-traumatic symptom and have received considerable attention from researchers in this field. The presence of a post-traumatic symptom in depression indicates that trauma models might be useful in refining our understanding and treatment of depression. Predictions based on theories of post-traumatic processing were tested in relation to the intrusive memories of a sample of 26 depressed women. The women showed a pa
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8

Verwoerd, Johan. "The crippling homunculus inefficient executive control and the persistence of intrusive memories /." [S.l. : [Groningen : s.n.] ; University Library Groningen] [Host], 2009. http://irs.ub.rug.nl/ppn/316.

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9

Levy, Benjamin John. "Controlling intrusive memories : behavioral and neural correlates of successful and failed memory suppression /." Connect to title online (ProQuest), 2008. http://proquest.umi.com/pqdweb?did=1594839711&sid=2&Fmt=2&clientId=11238&RQT=309&VName=PQD.

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Thesis (Ph. D.)--University of Oregon, 2008.<br>Typescript. Includes vita and abstract. Includes bibliographical references (leaves 154-166). Also available in ProQuest, free to University of Oregon users.
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10

Miller, Emma Frances. "Exploring intrusive experiences in older people across the spectrum of worry." Thesis, University of Edinburgh, 2014. http://hdl.handle.net/1842/26022.

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Background: Worry is theorised to function as a form of cognitive or experiential avoidance wherein an individual uses repetitive thinking in an attempt to avoid a future event or an aversive internal experience. There is evidence of a closer link between non-verbal thought (e.g. mental images) and emotion, physiology and behaviour than with verbal thought. Based on findings that worry is predominantly a verbal-linguistic activity, with less imagery occurring during worry episodes than during relaxation; it is theorised that worriers may move from non-verbal to verbal thought in order to avoid
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11

Aiello, Megan. "MAINTENANCE OF INTRUSIVE MEMORIES IN AN UNSELECTED UNDERGRADUATE SAMPLE: THE ROLES OF COPING STRATEGIES, NEGATIVE APPRAISALS, AND PERCEPTIONS OF CONTROL." OpenSIUC, 2013. https://opensiuc.lib.siu.edu/theses/1263.

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Intrusive memories, coping strategies, negative appraisals, and perceptions of control were examined in an unselected undergraduate sample. Intrusive memory frequency was positively associated with emotion-avoidant coping, but unrelated to problem-focused and emotion-approach coping. Negative appraisals and perceptions of control partially mediated the relationship between intrusive memory frequency and emotion-avoidant coping. PTSD symptoms contributed additional variance to the partial mediation models. Overall, study findings demonstrated that the intrusive memory maintenance cycle found in
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12

Yoshizumi, Takahiro, and Satomi Murase. "The effect of avoidant tendencies on the intensity of intrusive memories in a community sample of college students." Elsevier, 2007. http://hdl.handle.net/2237/9098.

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13

Polack, R. E. L. R. "The effect of viewpoint dependence in spatial memory tasks on intrusive memories in analogue trauma." Thesis, University College London (University of London), 2014. http://discovery.ucl.ac.uk/1449464/.

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Part one of this thesis is a literature review on the use of Imagery Restructuring (IR) within anxiety disorders. Narrative methods were used to synthesise the findings of 18 studies. The review details the range of different IR methodology and revealed IR to be an effective short-term, long-term and preventative technique across different anxiety disorders, reducing anxiety, imagery and memory related symptomology. However, IR could not be established as an effective intervention in isolation with long-term therapeutic effects. Given the heterogeneity of the studies’ methodology, of IR and an
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14

Iyadurai, Lalitha. "Clinical translation of a simple cognitive task to reduce the occurrence of intrusive memories after a psychological trauma." Thesis, University of Oxford, 2015. https://ora.ox.ac.uk/objects/uuid:0d271baa-8fe1-44b4-beb6-d1c5823a4bc1.

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Preventive interventions after psychological trauma are lacking. Intrusive memories in the first few weeks after a traumatic event can be highly distressing, and also predict later post-traumatic stress disorder (PTSD). Laboratory studies with healthy volunteers have found that engaging in a visuospatial cognitive task soon after an experimental trauma film can reduce the frequency of intrusive memories over the following week. The aims of this research were to a) develop the a simple cognitive task intervention (a memory reactivation cue followed by playing the computer game "Tetris") for use
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15

Idowu, Adebayo Oladimeji. "Therapists' construction of their clients' trauma-related intrusive memories in the context of client distress : a grounded theory analysis." Thesis, City, University of London, 2018. http://openaccess.city.ac.uk/21731/.

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Quantitative research has shown that individuals who report intrusive memories of traumatic events often experience psychological distress. There is a need for qualitatively focused research, which would allow for an understanding of how therapists construct and make sense of their clients' intrusive trauma memories in the context of the clients' psychological distress. The research involved face to face semi-structured interview with nine qualified psychologists about their experience of working with trauma clients. The data were analysed using constructivist grounded theory (Charmaz, 2006).
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16

White, Rachel. "The effect of processing mode on intrusive memories and emotional reactivity following exposure to trauma : an experimental analogue study." Thesis, King's College London (University of London), 2012. https://kclpure.kcl.ac.uk/portal/en/theses/the-effect-of-processing-mode-on-intrusive-memories-and-emotional-reactivity-following-exposure-to-trauma(484ceddc-0ba3-4214-9e2d-a466d1438705).html.

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Background and aims: Evidence suggests that the mode in which traumatic events are processed may influence the development of PTSD, although experimental evidence is lacking. It is crucial to discover what could potentially protect against the development of symptoms such as intrusive memories, since this would allow for the development of evidence-based prevention programmes for at-risk groups. Using a trauma film paradigm (Holmes & Bourne, 2008), the current study investigated the effect of processing mode training (abstract versus concrete) during exposure to an analogue trauma on the subse
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17

Hecht, Amelie Domenica [Verfasser], and Martin [Akademischer Betreuer] Bohus. "Frequency of Intrusive Memories in Patients with Posttraumatic Stress Disorder. An Ambulatory Assessment Study / Amelie Domenica Hecht ; Betreuer: Martin Bohus." Heidelberg : Universitätsbibliothek Heidelberg, 2018. http://d-nb.info/1177252139/34.

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18

Streb, Markus [Verfasser], and Tanja [Akademischer Betreuer] Michael. "Examining memory processes underlying intrusive trauma memories : the impact of retrieval suppression and associative learning / Markus Streb. Betreuer: Tanja Michael." Saarbrücken : Saarländische Universitäts- und Landesbibliothek, 2015. http://d-nb.info/1079840214/34.

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19

Clark, Ian Alexander. "A clinical neuroscience investigation into flashbacks and involuntary autobiographical memories." Thesis, University of Oxford, 2013. http://ora.ox.ac.uk/objects/uuid:04f72e37-73fe-4347-8af1-8d8852c05f1b.

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Recurrent and intrusive distressing recollections of trauma are a hallmark symptom of Posttraumatic Stress Disorder (PTSD). The term ‘flashback’ is used in this thesis to refer to vivid, sensory perceptual (predominantly visual images), emotional memories from a traumatic event that intrude involuntarily into consciousness. Furthermore, intrusive image based memories occur in a number of other psychological disorders, for example, bipolar disorder and depression. Clinically, the presence and occurrence of flashbacks and flashback type memories are well documented. However, in terms of the neur
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20

Yarar, Orhan Ferhat. "Effects Of Inhibitory Mechanisms And Thought Suppression Tendency On The Frequency And Intensity Of Traumatic Intrusions." Master's thesis, METU, 2011. http://etd.lib.metu.edu.tr/upload/12612926/index.pdf.

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The present study investigates the effects of cognitive inhibitory mechanisms and tendency to suppress thoughts on the frequency and intensity of traumatic intrusions within the trauma film paradigm. Non clinical participants&rsquo<br>response inhibition and proactive inhibition levels and tendency to suppress thoughts were measured prior to exposure to a trauma film. One week after seeing the trauma film, participants reported the frequency and intensity of trauma film related intrusions with an intrusion diary and Impact of Events Scale. No significant effect of response inhibition, proactiv
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21

Porcheret, Kate L. "Sleep and sleep timing in relation to light and emotional processing." Thesis, University of Oxford, 2012. http://ora.ox.ac.uk/objects/uuid:b759244a-c339-4d9f-bd03-e150a5fa1887.

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Sleep is a complex process: the timing of sleep is regulated by two systems (the sleep homeostat and the circadian clock) and there are many potential functions of sleep. The aim of this thesis was to investigate: the impact of light on the regulation of sleep timing (study 1) and the role of sleep in emotional processing (study 2). Study 1 used natural variations in environmental light levels at different geographical locations, to examine the influence of daily light irradiance on sleep timing and chronotype using the Munich chronotype questionnaire (MCTQ). 6443 students were included in thi
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22

Stewart, Nick. "Doctorate in Clinical Psychology : main research portfolio." Thesis, University of Bath, 2018. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.761009.

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Critical Review of the LiteratureCan Borderline Personality Disorder be treated effectively in forensic settings? A systematic reviewBorderline Personality Disorder (BPD) is a common diagnosis in forensic settings. Certain features of BPD, such as impulsivity and emotional dysregulation, can create a vulnerability to impulsive acts. The condition is also associated with poor mental and physical health, making the treatment of BPD and its clinical features an important goal in forensic settings. This paper reviews evidence for the effectiveness of treating BPD and its symptoms using psychologic
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23

Tettelaar, Tanya Anne. "Emplacement history of the Pearly Gates anorthosite pluton and spatially related Tessiarsuyungoakh intrusion, and metamorphic petrology of the adjacent Tasiuyak paragneiss, northern Labrador /." Internet access available to MUN users only, 2004. http://collections.mun.ca/u?/theses,61302.

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24

Huang, Kun-Lin, and 黃崑霖. "Effects of posttraumatic negative cognition, reflection and rumination on posttraumatic intrusive memories." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/4tk3nq.

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碩士<br>中原大學<br>心理學研究所<br>105<br>Background:According to past research, people who have negative posttraumatic cognitions will be traumatic events as excessive dangerous and they don’t have the ability to cope with it, and that will maintenance of intrusive symptoms(Foa et al., 1999). Negative posttraumatic cognitions will make people use abstract thinking style to avoid to experience the details of the traumatic event. Both of the rumination and reflection are kinds of abstract thinking style, and it can help traumatic people to avoid to experience the details of the traumatic event. But they h
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25

Ney, LJ. "Investigating the relationship between sleep quality and intrusive memories in post-traumatic stress disorder." Thesis, 2016. https://eprints.utas.edu.au/23522/1/Ney_whole_thesis.pdf.

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The Sleep to Forget, Sleep to Remember model (Walker, 2009) suggests that sleep quality influences emotional memory consolidation. This model has relevance to intrusive memories in PTSD, since theories of PTSD posit that intrusive memories are a product of inadequate processing of emotional memories (Brewin, Dalgleish, & Joseph, 1996; Ehlers & Clark, 2000). The present study aims to investigate the moderating effect of sleep on the relationship between PTSD and intrusive memories. 34 PTSD, 44 trauma exposed (TE) and 40 non-trauma exposed (NTE) participants completed an emotional memory task, w
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26

Dunsworth, Sherry Mary. "Multiple intrusion and deformation within the northwestern quadrant of the plutonic complex, Troodos Ophiolite, Cyprus /." 1989. http://collections.mun.ca/u?/theses,74438.

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27

Collins, Patrick G. "A petrographic and geochemical characterization and the evaluation of the exploration potential for nickel sulfides in several mafic-ultramafic intrusive complexes in Newfoundland /." 2007. http://collections.mun.ca/u?/theses,57846.

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28

Smith, Roderick L. "The basal gabbro subdivision and associated magmatic nickel-copper sulphide mineralization of the Pants Lake intrusion, Labrador, Canada : a combined geological, petrological, geochemical, and metallogenic study /." 2006. http://collections.mun.ca/u?/theses,68970.

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