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Washington University in St. Louis

2010

Perception

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An Investigation Of The Cognitive And Perceptual Mechanisms Involved In Mania-Proneness, Kimberly Mercer Jan 2010

An Investigation Of The Cognitive And Perceptual Mechanisms Involved In Mania-Proneness, Kimberly Mercer

All Theses and Dissertations (ETDs)

The present research investigates the cognitive and perceptual mechanisms involved in mania-proneness. Building on the work of Depue and colleagues: Depue & Iacono, 1989; Depue & Zald, 1993) and Gray: 1994), which identifies links between the Behavioral Activation System: BAS) and the symptoms observed in mania, this research investigates the hypothesis that people who are prone to mania exhibit cognitive and perceptual biases in information processing when presented with achievement-oriented stimuli both at baseline, and after the receipt of a reward. These hypothesized biases were measured via an affective flanker task, a suboptimal priming task, and a judgment task about …


Perception And Nonconceptual Apprehension, Arnon Cahen Jan 2010

Perception And Nonconceptual Apprehension, Arnon Cahen

All Theses and Dissertations (ETDs)

My dissertation articulates and resolves a problem at the heart of debates about how perception guides our actions and deliberations. The problem arises from the independent plausibility but mutual inconsistency of the following theses: * Some perceptions provide us reasons * Only belief-like states provide us reasons * No perception is belief-like I argue that this problem is deeper than has been acknowledged. Simply rejecting any one thesis leads to serious challenges. Nonetheless, I argue that we can unravel the link between having reasons and having belief-like states in a way that explains the initial plausibility of the first thesis. …