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Executive Dysfunction And Reward Dysregulation: Interactions In Drug Addiction, Kristen Paula Morie
Executive Dysfunction And Reward Dysregulation: Interactions In Drug Addiction, Kristen Paula Morie
Dissertations, Theses, and Capstone Projects
Cocaine addiction is a serious public health hazard, and contributes to disastrous outcomes for individuals who suffer from it. Addiction is accompanied by an inability to control one's own behavior, and a preoccupation with cocaine at the expense of other rewarding pursuits. Previous research has suggested that difficulties with executive function and reward processing may underlie these problems, but the extent to which each contributes to addiction severity, or how these two factors may interact, remains to be elucidated. By using event related potential (ERP) measures in combination with information about self-reported anhedonia over three experiments, we set out to …
Effects Of Acute Stress And Gender On Decision-Making, Stephanie Elaine Wemm
Effects Of Acute Stress And Gender On Decision-Making, Stephanie Elaine Wemm
Legacy Theses & Dissertations (2009 - 2024)
The current study examined the effects of a social stressor on subsequent performance on the Iowa Gambling Task (IGT), and the role of sex on this relationship. Fifty-six participants (24 men and 32 women) were assigned randomly to a social stressor (Trier Social Stress Test) or a control condition while their subjective emotional reactions and their physiological arousal (skin conductance and heart rate) were measured. Findings showed that participants in the stress condition responded with higher skin-conductance levels and heart rate during the social stressor, in addition to reporting greater negative affect directly following the social stressor. They also made …