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Quality of Life and Neurocognitive Functioning in Children with Sickle Cell Disease: Investigating the Feasibility of a Computerized Cognitive Training ProgramAllen, Taryn Margaret January 2014 (has links)
<p>Children with sickle cell disease (SCD) have a high risk of neurocognitive impairment. No known research, however, has examined the impact of neurocognitive functioning on quality of life in this pediatric population. In addition, limited research has examined neurocognitive interventions for these children. In light of these gaps, two studies were undertaken to (a) examine the relationship between cognitive functioning and quality of life in a sample of children with SCD and (b) investigate the feasibility and preliminary efficacy of a computerized working memory training program in this population. Forty-five youth (ages 8-16) with SCD and a caregiver were recruited for the first study. Participants completed measures of cognitive ability, quality of life, and psychosocial functioning. Results indicated that cognitive ability significantly predicted child- and parent-reported quality of life among youth with SCD. In turn, a randomized-controlled trial of a computerized working memory program was undertaken. Eighteen youth with SCD and a caregiver enrolled in this study, and were randomized to a waitlist control or the working memory training condition. Data pertaining to cognitive functioning, psychosocial functioning, and disease characteristics were obtained from participants. The results of this study indicated a high degree of acceptance for this intervention but poor feasibility in practice. Factors related to feasibility were identified. Implications and future directions are discussed.</p> / Dissertation
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Prise en charge non pharmacologique des troubles cognitifs légers : effets différentiels d'un programme de stimulation cognitive informatisée selon la sévérité des hypersignaux de la substance blanche de patients MCI / Non-pharmacological care of cognitive disorders : Effects of a computerized cognitive stimulation program on cognitive functioning according to the presence or not of white matter hyperintensities in patients with Mild Cognitive ImpairmentDjabelkhir Jemmi, Leila 30 November 2017 (has links)
Les hypersignaux de la substance blanche (HSB) ont été associés à des déficits exécutifs et mnésiques et à une atteinte des circuits corticaux et sous-corticaux frontaux. Leur présence, en plus du dépôt ß-amyloïde chez de nombreux patients avec un MCI (Mild Cognitive Impairment ou trouble cognitif léger) augmenterait le risque de conversion vers une maladie d'Alzheimer (MA). Un des enjeux importants dans la phase préclinique de la maladie est d'explorer le potentiel des interventions cognitives pour prévenir le déclin cognitif et la progression vers une MA. Alors que les HSB sont de plus en plus considérés comme un des facteurs déterminant l'hétérogénéité des patients MCI, peu d'étude ont pris en compte leur présence dans les interventions cognitives. L'hypothèse qu'une intervention pourrait induire des effets différentiels selon l'existence ou non d'hypersignaux dans le MCI reste inexplorée à notre connaissance, et est au cœur de ce travail de thèse. / White matter hyper signals (WMH) were associated with executive and memory deficits and impairment of the cortical and subcortical frontal circuits. Their presence, in addition to amyloid deposition in many patients with Mild Cognitive Impairment (MCI), would increase the risk of conversion to Alzheimer's disease (AD). An important issues in the preclinical phase of MCI is to explore the potential of cognitive interventions to prevent cognitive decline and progression to AD. While WMH are increasingly considered as one of factors determining the heterogeneity of MCI patients, few studies have take into account their presence in cognitive interventions. The hypothesis that an intervention could induce differential effects according to the existence or not of WMH in MCI remains unexplored to our knowledge, and is at the heart of this work of thesis.
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