Hemispherical disorders are associated with cerebellar dysarthria more frequently than are vermal lesions. The paramedian regions of the superior cerebellar hemispheres are most relevant for the development of cerebellar dysarthria. y , y Left hemispherical cerebellar lesions appear to be more frequently associated with cerebellar dysarthria than right hemispherical or vermal lesions.  Cerebellar dysarthria is frequently present in degenerative forms of cerebellar ataxias and multiple sclerosis. Cerebellar hemorrhage, infarcts (in particular of the SCA), tumors, and trauma may all cause cerebellar speech.
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