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Cognitive dysfunction underlying auditory hallucinations in schizophrenia : a combined-deficits modelWaters, Flavie January 2005 (has links)
[Truncated abstract] Auditory hallucinations are some of the most distressing and disabling symptoms of schizophrenia. However very little is known about the exact processes responsible for auditory hallucinations. The aim of this thesis is to provide a new perspective on the nature of the cognitive deficits underlying auditory hallucinations in schizophrenia. As a preliminary study to the investigation of auditory hallucinations in schizophrenia, a factor analysis of a measure of hallucinatory predisposition, the Launay- Slade Hallucination Scale-Revised (Bentall & Slade, 1985), was carried out on data from a large sample of undergraduate students (N = 562). An overlap in characteristics between hallucinatory-like experiences in normal individuals and auditory hallucinations in schizophrenia should draw attention to factors that are important to the hallucinatory experience in general. One of the findings from this study was that intrusiveness is a commonly reported characteristic of hallucinatory-like experiences in normal individuals. Intrusiveness is also one of the defining features of auditory hallucinations in schizophrenia. Since the process of inhibition is essential for suppressing unwanted thoughts, the first set of two studies using patients with schizophrenia (N = 43) investigated the presence of an (intentional) inhibition failure in auditory hallucinations using the Hayling Sentence Completion Test (HSCT; Burgess & Shallice, 1996) and the Inhibition of Currently Irrelevant Memories Task (ICIM; Schnider & Ptak, 1999). It was found that auditory hallucinations were linked to a deficit in intentional inhibition as measured by these tasks. The process of inhibition was further investigated using the Affective Shifting task, but auditory hallucinations were not associated with a deficit on this task. Possible differences in the inhibitory demands of the HSCT, ICIM and Affective Shifting tasks are discussed.
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Reduced microstructural white matter integrity in a genetic metabolic disorder a diffusion tensor MRI study /Bava, Sunita. January 2007 (has links)
Thesis (Ph. D.)--University of California, San Diego and San Diego State University, 2007. / Title from first page of PDF file (viewed January 8, 2008). Available via ProQuest Digital Dissertations. Vita. Includes bibliographical references (p. 75-84).
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Automaticity, cognitive flexibility, and mathematics : a longitudinal study of children with and without learning disabilities /Roditi, Bethany Naseck. January 1988 (has links)
Thesis (Ph.D.)--Tufts University, 1988. / Submitted to the Dept. of Child Study. Includes bibliographical references. Access restricted to members of the Tufts University community. Also available via the World Wide Web;
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Stroop performance in schizophrenic and bipolar patients : an fMRI study /Gruber, Staci Ann. January 1900 (has links)
Thesis (Ph.D.)--Tufts University, 2002. / Adviser: Robin Kanarek. Submitted to the Dept. of Psychology. Includes bibliographical references (leaves 125-134). Access restricted to members of the Tufts University community. Also available via the World Wide Web;
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The relation of frontal lobe function to source memory and prospective memory in amnestic mild cognitive impairment /Karantzoulis, Stella. January 2006 (has links)
Thesis (Ph.D.)--York University, 2006. Graduate Programme in Psychology. / Typescript. Includes bibliographical references (leaves 122-152). Also available on the Internet. MODE OF ACCESS via web browser by entering the following URL: http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&res_dat=xri:pqdiss&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&rft_dat=xri:pqdiss:NR29500
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Unequal opportunities for patients with and without cognitive impairment : relatives' and significant others' views on care and rehabilitation after hip fracture /Rydholm Hedman, Ann-Marie, January 2007 (has links)
Diss. (sammanfattning) Stockholm : Karolinska institutet, 2007. / Härtill 4 uppsatser.
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Older drivers with cognitive impairments : issues of detection and assessment /Lundberg, Catarina, January 2003 (has links)
Diss. (sammanfattning) Stockholm : Karol. inst., 2003. / Härtill 5 uppsatser.
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Risk and resilience in children born preterm : cognitive and executive functioning at 5 1/2 years of age /Böhm, Birgitta, January 2003 (has links)
Diss. (sammanfattning) Stockholm : Karol. inst., 2003. / Härtill 5 uppsatser.
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Cognitive dysfunction : assessed by questionnaires in a population sample and in patients with affective or anxiety disorders before, during and after treatment /Ohrt, Torbjörn, January 1900 (has links)
Diss. Linköping : Univ., 1999.
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Hearing and cognition in speech comprehension : methods and applications /Hällgren, Mathias, January 2005 (has links)
Diss. Linköping : Universitetet, 2005.
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