Cerebellum part 1

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1. Which of these statements of the tracts to the archicerebellum is incorrect?

  • Afferent = Dorsal and ventral spinocerebellar tract from muscle and joint and cutaneous receptors to enter the cortex ipsilaterslly from vermis and paravermis via inf. and sup. cerebellar peduncles.
  • It affects the LM system bilaterally via descending vestibulo-spinal and reticospinal tracts
  • afferent fibres= From vestibula nuclei in pons and medulla to cortex of ipsilateral flocculo-nodular lobe
  • Efferent fibres= projects to fastigial nucleus which then goes to vestibular nuclei and reticular formation
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2. what is the paleocerebellum formed by? (spinal part)

  • The midline of the vermis and paravermis and surounding globus and embelliform nuclei
  • foolluculonodular and fastigal nucleus
  • most of the cerebellar parts with dendate nucleus

3. Which efferent tract of the Paleocerebellum?

  • dentate nucleus to the red nucleus and the ventral lateral nucleus of the thalamus to the motor cortex of frontal lobe which then forms the corticospinal and corticobulbar pathways
  • the corticol fibres goes to the globose and emboliform nuclei then to the red nucleus in the midbrain via superior cerebellar peduncles to then form the descending rubrospinal tracts
  • projects to fastigial nucleus which then goes to vestibular nuclei and reticular formation

4. Which of these is an afferent tract?

  • spinocerebellar
  • corticobulbar
  • rubrospinal tract
  • reticospinal
  • corticospinal
  • vestibulospinal

5. Which of these is the afferent fibres in the neocerebellar part?

  • Dorsal and ventral spinocerebellar tracts from muscles, joints and cutaneous receptors enters cortex ipsilateral via inf. and sup. cerebellar peduncles
  • from cerebral cortex (planning of movement) to pontine nuclei. Goes contralateral via the middle cerebellar peduncle to end in lateral parts of the cerebellum (cortico-ponto-cerebral tract)
  • dentate nucleus to the red nucleus and the ventral lateral nucleus of the thalamus to the motor cortex of frontal lobe which then forms the corticospinal and corticobulbar pathways
  • From vestibula nuclei in pons and medulla (vestibullar apparatus from the inner ear) to the cortex ipsilateral to fluccolonodular lobe via vestibulocerebellar tracts

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