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Existing studies on task switching in Parkinson's disease (PD) patients have led to somewhat different results. In particular, it is unclear whether PD patients have a deficit in attentional control. In this study, we assessed task‐switching abilities in samples of non‐demented PD patients and elderly controls. We used a paradigm in which there was a random task sequence and the task was cued in every...
Despite the increased comprehension of the role of the basal ganglia in cognitive functions such as learning, attention, and executive functions, the exact implication of these structures in language remains unclear. A specific role of basal ganglia in language has been proposed. Nonetheless, a recent hypothesis gives the basal ganglia a non-language specific role in the inhibition of competing alternatives...
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