Does Dopamine Depletion Trigger a Spreader Lexical-Semantic Activation in Parkinson’s Disease? Evidence from a Study Based on Word Fluency Tasks

Does Dopamine Depletion Trigger a Spreader Lexical-Semantic Activation in Parkinson’s Disease? Evidence from a Study Based on Word Fluency Tasks

It has been hypothesised that, in Parkinson’s disease (PD), dopamine might modulate spreading activation of lexical-semantic representations. We aimed to investigate this hypothesis in individuals with PD without dementia by assessing word frequency and typicality in verbal fluency tasks. We predict...

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Bibliographic Details
Main Authors: S. Zabberoni, G. A. Carlesimo, A. Peppe, C. Caltagirone, A. Costa
Format: Article
Language:English
Published: Wiley 2017-01-01
Series:Parkinson's Disease
Online Access:http://dx.doi.org/10.1155/2017/2837685
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