July 27 Highlight and Commentary

Abstract

Matsui et al. report a patient with attacks of paroxysmal dysarthria and ataxia after midbrain infarction. SPECT showed hypoperfusion in the parietal lobe contralateral to hemiataxia during the period of paroxysmal attacks.⇓ Finger-nose test with penlight attached to tip of a finger, during an attack (A) and between attacks (B). see page 345 Commentary by Joanna C. Jen, MD, PhD The participation of the cerebellum in various feedback circuits involving sensorimotor pathways ensures smooth and precise voluntary and involuntary movement. The superior cerebellar peduncle carries efferent cerebellar projections to the red nucleus and thalamus, as well as the reticular formation. Ascending fibers project to the cortex, from which corticopontine fibers originate to descend …