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Full-Text Articles in Biological Psychology
Exercise Engagement And Longitudinal Change In Alzheimer's Disease Biomarkers, Regional Brain Structure, And Cognitive Functioning, Marta Stojanovic
Exercise Engagement And Longitudinal Change In Alzheimer's Disease Biomarkers, Regional Brain Structure, And Cognitive Functioning, Marta Stojanovic
Arts & Sciences Electronic Theses and Dissertations
No abstract provided.
Breaking Apart The Reinforcement Learning Deficit In Schizophrenia, Adam Culbreth
Breaking Apart The Reinforcement Learning Deficit In Schizophrenia, Adam Culbreth
Arts & Sciences Electronic Theses and Dissertations
Reinforcement learning deficits have long been associated with schizophrenia. However, tasks traditionally used to assess these deficits often rely on multiple processing streams leaving the etiology of these task deficits unclear. In the current study, we borrowed a recent framework from computational neuroscience, which separates reinforcement-learning into two distinct systems, model-based and model-free. Under this framework, the model-free system learns about the value of actions in the immediate context, while the model-based system learns about the value of actions in both immediate and subsequent states that may be encountered as a result of their actions. Using a decision task that …