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Examining The Role Of Episodic And Semantic Networks In Anhedonia: Applying The Accessibility Model Of Emotional Self-Report To Psychometrically-Defined Schizotypy, Kyle Robert Mitchell

LSU Master's Theses

Individuals with schizophrenia exhibit a range of abnormalities in self-reported non-current experience of pleasure, but undisrupted current experience of pleasure. Several researchers have sought to address the mechanism of this deficit, yielding useful models of anhedonia. The accessibility model of emotional self-report suggests that deficits in hedonic response are due to differential activation of, and reliance upon, semantic and episodic memory systems. While this model has been proposed as an explanation of the deficits in hedonic response in schizophrenia, it has not been experimentally validated, and it remains to be seen whether the model will hold across the schizophrenia spectrum. …