cerebellar functional divisions

flocconodular lobe components

floccondular lobe, medial and lateral vestibular nuclei

names of floccondular lobe

vestibulocerebellum

vestibulocerebellum afferents

vestibular primary afferents, vestibular nuclei, visual areas

vestibulocerebellum efferents

medial and lateral vestibular nuclei

vestibulocerebellum role in movement

VOR, gaze and eye movement, posture, balance

clinical s/s if damage to vestibulocerebellum

nystagmus, impaired VOR, imbalance

medial zone components

vermis, fastigial nuclei

intermediate zone components

intermediate hemispheres, globose and emboliform nuclei

name for medial and intermediate zone

spinocerebellum

afferents spinocerebellum - medial zone

vestibular and reticular nuclei, DSCT, VSCT

afferents spinocerebellum - intermediate zone

DSCT, VSCT, cerebrum

efferents spinocerebellum - medial zone

vestibular and reticular nuclei

efferents spinocerebellum - intermediate zone

cerebrum, red nucleus

spinocerebellum - medial zone role in movement

gaze and eye movements, postural tone, balance, locomotion

spinocerebellum - intermediate zone role in movement

limb movements, coordinate antagonist muscle paits

clinical s/s of damage to spinocerebellum - medial zone

oculomotor deficits, hypotonia, imbalance, falls, gait ataxia

clinical s/s to damage to spinocerebellum - intermediate zone

imbalance, gait ataxia, tremor, lack of check, dusdiadochokinesia, dysmetria

components of lateral zone

lateral hemispheres, dentate nuclei

name of lateral zone

cerebrocerebellum

cerebrocerebellum afferents

cerebrum

cerebrocerebellum efferents

cerebrum, red nucleus

cerebrocerebellum role in movement

complex, multi joint voluntary limb movement, visually guided movements, motor planning, sensorimotor error assessment

clinical s/s of damage to cerebrocerebellum

disdiadochokinesia, dysmetria, dyssergia, decomposition