Movement disorders in patients with alternating hemiplegia: "Soft" and "stiff" at the same time.

Panagiotakaki E, Doummar D, Nogue E, Nagot N, Lesca G, Riant F, Nicole S, Delaygue C, Barthez MA, Nassogne MC, Dusser A, Vallée L, Billette T, Bourgeois M, Ioos C, Gitiaux C, Laroche C, Milh M, Portes VD, Arzimanoglou A, Roubertie A; AHC–Movement Disorder Study Group.