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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

Voices, conflict and personal goals : a Perceptual Control Theory perspective on auditory verbal hallucinations

Varese, Filippo January 2014 (has links)
Hallucinations are often considered a sign of psychotic illness, but are also common in other diagnostic groups and individuals without mental health problems. This thesis uses Perceptual Control Theory (PCT), a cybernetic model which explains behaviour and cognition in terms of control processes regulating ongoing perception according to internally represented goals, as a theoretical framework to understand hallucinations. First, a theoretical/conceptual paper (Paper 1) examines how PCT provides an integrated account of (i) the mechanisms responsible for the formation of hallucinations, (ii) their phenomenological heterogeneity, (iii) the interaction between these mechanisms and environmental factors that might contribute to the formation of hallucinations, and (iv) the processes leading to different affective reactions to hallucinatory experiences (e.g. distress). The main implications of this model are discussed in the context of pertinent theoretical and empirical literature, and relevant clinical and research implications are considered. Second, this thesis includes an empirical investigation (Paper 2) examining two PCT-informed hypotheses in a cross-section of 22 clinical and 18 non-clinical individuals with auditory verbal hallucinations (“hearing voices”), namely (i) that the content of voices will be thematically linked to the participants’ personal goals, and (ii) that affective reactions to voices will depend on the extent to which voices facilitate and/or interfere with important personal goals. The analysis revealed that 82.5% of participants reported voices that thematically matched at least one of their reported goals. As predicted, affective reactions to voices were strongly associated with measures of interference and facilitation of goals, even when controlling for important covariates (e.g. participants’ history of mental health difficulties; voices’ content, frequency and duration).Finally, a critical evaluation is provided (Paper 3), where the methodological strengths and limitations of the work presented in the present thesis are discussed with the aim to reflect on the research process, and inform future investigations into the topics considered in this thesis.
2

Considering an Integrative Theory of the Values Construct: An Empirical Test of the Values as Goals Proposition Based on Perceptual Control Theory

More, Kristen M. 25 July 2012 (has links)
No description available.
3

Client perceptions of helpfulness : a therapy process study

Cocklin, Alexandra January 2014 (has links)
Client reports of perceived helpfulness in therapy may provide valuable information to clinicians and researchers about what makes therapy therapeutic for individuals. This may help us to understand more about common factors in effective psychotherapies, to explain the processes through which these factors might operate and to understand how the therapeutic relationship contributes to change for different clients. However, the meth-methodological complexity involved in the design of experimental studies has so far prevented research from being able to fully utilise what clients can tell us about their experience of change. This thesis aimed to address some of these challenges in client centered psychotherapy process research.
4

Prospective control effect of exploratory-task-generated-motion on adaptation in real and virtual environments /

Littman, Eric Marshall. January 2009 (has links)
Thesis (M.A.)--Miami University, Dept. of Psychology, 2009. / Title from first page of PDF document. Includes bibliographical references (p. 43-47).

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