14. Classification by Phylogenetic and Ontogenic Development
Archicerebellum
Paleocerebllum
Neocerebellum
Classification by Afferent Connection
Vestibulocerebellum
Spinocerebellum
Pontocerebellum
Classification by Efferent Connection
Vermis
Paravermal Region
Cerebellar Hemisphere
Cerebellum
Classifications
19. Efferent Connections :
1. Superior Cerebellar Peduncle
Cerebellothalamic fiber
- from 3 deep nuclei to VPLo, VLc, CL
Cerebellorubral fiber
- from nucleus interpositus
and dentate nucleus
ascending portion of
uncinate fasciculus of Russell
2. Inferior Cerebellar Peduncle
Fastigiovestibular fiber
descending portion of
uncinate fasciculus of Russell
Cerebellum
Connections
20. MLF
Main Connections of the Vestibulocerebellum
lower motor neuron
LMN
vestibulospinal tract
FASTIGIAL
NUCLEUS
Vestibular
Organ Floculonodular
Lobe
Vermis
ARCHICEREBELLUM
VESTIBULAR NUCLEUS
21. Main Connections of the Paleocerebellum
lower motor neuron
SPINAL CORD
rubrospinal
tract
NUCLEUS
INTERPOSITUS
Inferior
Olivry
Nucleus
ANTERIOR
LOBE
PARAVERMAL
ZONE
PALEOCEREBELLUM
RED
NUCLEUS
spinocerebellar
tract
27. Olivocerebellar Connections
Caudal portion of
medial and dorsal accessory olivary nucleus
----------------- vermis of cerebellar cortex (A and B)
fastigial nucleus
vestibular nucleus
Rostral portion of
medial and dorsal accessory olivary nucleus
----------------- paravermal region (C1, C2, C3)
nucleus interpositus
Principal Inferior Olivary Nucleus
----------------- cerebellar hemisphere (D1, D2)
dentate nucleus
Cerebellum
Connections
28. medial and dorsal accessory olivary nucleus
caudal portion rostral portion Principal
Inferior Olivary
Nucleus
29. Cerebellum
Function
Maintenance of Equilibrium
- balance, posture, eye movement
Coordination of half-automatic movement of
walking and posture maintenace
- posture, gait
Adjustment of Muscle Tone
Motor Leaning – Motor Skills
Cognitive Function
35. Cerebellar tumors on vermis
- Truncal Ataxia
- Frequent Falling
The child in this picture:
- would not try to stand
unsupported
- would not let go of the bed rail
if she was stood on the floor.
Cerebellar
Medulloblastoma