Gait-Related Brain Activation During Motor Imagery of Complex and Simple Ambulation in Parkinson's Disease With Freezing of Gait

Hui Chun Huang, Chun Ming Chen, Ming Kuei Lu, Bey Ling Liu, Chia Ing Li, Jui Cheng Chen, Guei Jane Wang, Hsiu Chen Lin, Jeng Ren Duann, Chon Haw Tsai