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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Subjective and Physiological Responses to Acute Stress in Socially Anxious Adults and Healthy Children

Faucher, Jacinthe January 2016 (has links)
Social anxiety disorder (SAD) is one of the most common anxiety disorders and understanding its symptoms and risk factors is vital for developing treatments and prevention strategies. Atypical physiological responses have been observed in anxious individuals and their consequences present a human and economic burden. This dissertation includes two studies that explore the subjective and physiological responses to an acute stress in the context of treatment and risk factors for SAD. The goal of the first study was to examine whether cognitive behavioural group therapy (CBGT) and a mindfulness-based stress reduction (MBSR) program differentially influenced the subjective and physiological response to a speech task. Participants in the treatment groups performed two speech tasks, before and after treatment, while a healthy control group completed it only once. Results indicated significant differences for the subjective, but not the physiological measures of stress. Patients with SAD reported higher subjective anxiety than the healthy control group and these scores were significantly reduced following treatment. Greater improvements were noted in the CBGT group; nonetheless, the study did indicate promising results for MBSR. The second study aimed to explore the effects of behavioural inhibition (BI), parental bonding variables and their interaction on the subjective and physiological responses to a similar speech task in healthy children. BI was related to subjective anxiety in a predictive manner, but was generally unrelated to the physiological measures. Parental bonding variables were not related to any of the stress responses and no interaction between BI and parental bonding was observed. These studies contribute to the literature by demonstrating treatment differences and their subjective and physiological consequences on stress reactions and exploring the extent to which risk factors for SAD affect the stress response in healthy children.
2

Entwicklung kognitiver Funktionen / Hemmungsbezogene Aufmerksamkeitsprozesse bei lernbehinderten Kindern / development cognitive functions / inhibitited attentionprocesses in learning disabled children

Schlegel, Annett 03 May 2006 (has links)
Arbeitsgedächtnisdefizite lernbehinderter Kinder sind bisher vor allem im phonologischen Bereich nachgewiesen worden. Die eigene Studie untersucht mögliche Defizite im Bereich der zentralen Exekutive mit zwei Schwerpunkten: (a) Lassen sich bei der Steuerung selektiver Aufmerksamkeit spezifische Defizite Lernbehinderter identifizieren? (b) Zeigen sich Besonderheiten in den Alterszugewinnen selektiver Aufmerksamkeit? In der Untersuchung wurden Grundschulkinder gleichen mentalen und gleichen chronologischen Alters mit einer Gruppe lernbehinderter Kinder einer vierten Klasse verglichen. Zusätzlich wurden ältere Schulkinder (7. Klasse, 4. Klasse, 7. Klasse einer Sonderschule L) einbezogen, so dass auch prüfbar wird, inwiefern sich Alterszugewinne der kognitiven Funktionen bei lernbehinderten im Vergleich zu unauffälligen Schülern unterscheiden. Einbezogen wurden nur L-Schüler mit einem IQ < 85. Zur Erfassung der zentral-exekutiven selektiven Aufmerksamkeit wurden drei verschiedene Aufgabenanforderungen (TAP, Stopp-Signal, TEZEK) gewählt. Die Befunde deuten auf ein frühes Funktionsdefizit der lernbehinderten Kinder hin, das bis 14 Jahre weitgehend kompensiert werden kann.

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