EP 60. Bicycling suppresses beta power more strongly than walking in the subthalamic nucleus of Parkinsonian patients

Walking abilities are severely affected in patients suffering from Freezing of Gait (FOG), a common phenomenon in advanced Parkinson's disease (PD). Despite the high occurrence of the symptom in the progression of the disease, little is known about the underlying mechanisms. Remarkably, it was recently reported that patients with FOG are still able to ride a bike (Snijders et al., 2011; Snijders et al., 2012). While similar brain networks are involved in walking and bicycling (Fukuyama et al., 1997; Christensen et al., 2002), it is not understood why both types of movement are differently affected in patients with FOG.

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