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Hedonic Functioning and Subthreshold Psychotic SymptomsSandt, Arthur Ralph January 2013 (has links)
Schizophrenia is a debilitating disorder with an array of affective, cognitive, and behavioral consequences. In addition to these impairments, research suggests that there is a distinct pattern of hedonic functioning in schizophrenia that may contribute to some of the most intractable symptoms of the disorder, the negative symptoms. Specifically, individuals with schizophrenia appear to experience deficient levels of pleasure during anticipation of a pleasurable stimulus, while experiencing typical levels of pleasure while directly engaged with a pleasurable stimulus. Despite these findings, it is unclear whether hedonic functioning deficits occur in individuals with subthreshold levels of psychotic symptoms and/or in individuals at clinical high risk for the disorder. The purpose of this study was to examine hedonic functioning in relation to the continuum of psychotic symptoms in a college undergraduate student sample, and in those at clinical risk for schizophrenia. Participants were 679 students who completed self-report measures of current psychotic-like experiences, and trait-like components of hedonic functioning (i.e., anticipatory and consummatory pleasure). Consistent with study hypotheses, deficits in anticipatory pleasure, but not in consummatory pleasure, were significantly associated with increased clinical risk for schizophrenia. However, this relation was found exclusively among women in the sample, whereas men did not show a significant relation between anticipatory pleasure deficits and clinical high-risk. Furthermore, anticipatory pleasure deficits were not significantly associated with increases in the number of positive psychotic symptoms endorsed. Moreover, consummatory pleasure was not associated with increases in the number of subthreshold positive psychotic symptoms, nor was there a relation with the number of distressing positive psychotic symptoms or clinical risk status. The present study provides the first examination of the relation between hedonic functioning and subthreshold psychotic symptoms, as well as the relation with clinical high-risk for psychosis. These findings suggest that anticipatory pleasure deficits may be more closely related to increased clinical risk for psychosis among women rather than increases in psychotic symptoms in the general population. Anticipatory pleasure deficits may be a useful target for intervention and prevention techniques among those at clinical risk for psychosis, especially in female at risk populations. Additional longitudinal studies will be essential for testing whether anticipatory pleasure deficits predict the occurrence of future psychotic disorders among those at high risk for the disorder in order to improve early identification and early intervention efforts in this population. / Psychology
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Um estudo de caso do consumo e experiências hedônicas no domicílio em momentos distintos do ciclo de vida familiarMartins, Ricardo Cesar 12 February 2008 (has links)
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Previous issue date: 2008-02-12T00:00:00Z / O consumo de experiências hedônicas é uma das principais manifestações da contemporânea Sociedade de Consumo. Esta modalidade de consumo mostra-se peculiar principalmente em função de sua alta carga de motivação emocional e de sua natureza imaterial. O estudo acadêmico do fenômeno, apesar de ter evoluído significativamente nas últimas duas décadas, ainda carece de maiores conhecimentos no contexto domiciliar. O presente estudo procurou justamente contribuir para a teoria ao explorar o consumo de experiências hedônicas no domicílio, privilegiando uma abordagem que contemple momentos distintos do ciclo de vida familiar. / The consumption of hedonic experiences is one of the main characteristics of the Contemporary Consumption Society. This is a unique phenomenon due to its high emotional motivation and its immaterial nature. The academic theory of the phenomenon, despite its significant evolution in the past two decades, has a knowledge gap in one important context: the household. The purpose of this study is to give a contribution in this sense, exploring the consumption of hedonic experiences inside household and offering a better comprehension of its manifestation in different moments of the family life cycle.
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