Alexandra Howat
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View article: Levodopa’s effects on expression of reinforcement learning
Levodopa’s effects on expression of reinforcement learning Open
Dopamine has been implicated in learning from rewards and punishment, and in the expression of this learning. However, many studies do not fully separate retrieval and decision mechanisms from learning and consolidation. Here, we investiga…
View article: Effects of Parkinson’s disease and dopamine on digit span measures of working memory
Effects of Parkinson’s disease and dopamine on digit span measures of working memory Open
Rationale Parkinson’s disease (PD) impairs working memory (WM) - the ability to maintain items in memory for short periods of time and manipulate them. There is conflicting evidence on the nature of the deficits caused by the disease, and …