Co-contraction and overflow of EMG activity of inappropriate muscles are typical features of
all dystonic movements whether voluntary or involuntary. Voluntary movements are slow …

Dystonia is a neurological disorder characterized by involuntary twisting movements and
postures. There are many different clinical manifestations, and many different causes. The …

Dystonias comprise a group of movement disorders that are characterized by involuntary
movements and postures. Insight into the nature of neuronal dysfunction has been provided …

Investigation of the three-generation KE family, half of whose members are affected by a
pronounced verbal dyspraxia, has led to identification of their core deficit as one involving …

Microelectrode recording was performed in the basal ganglia of 3 patients with generalized
dystonia and 1 patient with hemiballismus secondary to a brainstem hemorrhage. Neuronal …

Schizophrenic patients experiencing passivity phenomena believe their thoughts and
actions to be those of external, or alien, entities. We wished to test the hypothesis that …

Single photon emission computed tomography was used to evaluate regional cerebral
blood flow changes during gait on a treadmill in 10 patients with Parkinson's disease and 10 …

Objective: To study the short-term effects of slow repetitive transcranial magnetic stimulation
(rTMS) of the motor cortex on cortical excitability and handwriting in patients with writer's …

Patients with occupational hand dystonias have task-specific involuntary co-contraction and
overflow of activity to inappropriate muscles. This interferes with highly skilled movements …

Background Tics are involuntary, brief, stereotyped motor and vocal behaviors often
associated with irresistible urges. They are a defining symptom of the classic …