Data from these patients support the hypothesis that part of the corticobulbar fibres supplying the lower facial muscles descend ipsilaterally in the ventromedial part of the upper medulla and then, ...

The localisation of the lesion was identified using MRI. The corticolingual, cortico-orofacial, and corticospinal tract functions were investigated using transcranial magnetic stimulation.

1 Generally, in pontine lesions, multiple neurological signs are observed: impaired consciousness (ascending reticular activating system), weakness (corticospinal tract causes and facial nerve), ...