Semantic activation in Parkinson ’ s disease patients on and off levodopa

  • Anthony J. Angwina, Wendy L. Arnotta, +4 authors Helen J. Chenerya
Research suggests that dopamine may exert a neuromodulatory influence on automatic spreading activation within semantic networks. In order to investigate the influence of dopamine depletion on semantic activation in Parkinson’s disease (PD), nine patients with PD performed a lexical decision task when on and off levodopa medication. Eleven healthy controls… CONTINUE READING