Attention modulation during motor preparation in Parkinsonian freezers: a time-frequency EEG study

In PD, FoG is a major health concern because of its impact on quality of life (Ellis et al. 2011) and the increased risk of falls (Bloem et al., 2004). Attention is a cognitive process that allows humans to prioritize stimuli according to the situation and to adjust their response accordingly (Raz and Buhle 2006; Corbetta et al. 2008). In fact, attention has a role in the occurrence of FoG, as evidenced by (i) the critical impact of external stimuli on this phenomenon (Nanhoe-Mahabier et al. 2012), (ii) the attentional impairments described in patients with FoG ("freezers") (Amboni et al.

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