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The main function of the vestibulocerebellum is to receive sensory input from the vestibular nuclei in the brainstem and to regulate equilibrium, balance, and the vestibulo-ocular reflex accordingly. The vestibulo-ocular reflex, one of the primary areas affected by vestibulocerebellar syndrome, is responsible for counterrotating the eyes in ...
The flocculonodular lobe (vestibulocerebellum) is one of the lobes of the cerebellum. It is a small lobe consisting of the unpaired midline nodule and the two flocculi: one flocculus on either side of the nodule. The lobe is involved in maintaining posture and balance as well as coordinating head-eye movements. [1]
The vestibulocerebellar tract fibers are second-order fibers from the vestibular nuclei, and first-order fibers from the vestibular ganglion/nerve. [1] They pass through the juxtarestiform body of the inferior cerebellar peduncle to reach the cerebellum, [1] They terminate in the vestibulocerebellum, and part of the vermis as well as the dentate nucleus, and fastigial nucleus in each ...
The human cerebellum is located at the base of the brain, with the large mass of the cerebrum above it, and the portion of the brainstem called the pons in front of it. It is separated from the overlying cerebrum by a layer of tough dura mater called the cerebellar tentorium; all of its connections with other parts of the brain travel through the pons.
In terms of function, however, there is a more important distinction along the medial-to-lateral dimension. Leaving out the flocculonodular lobe, which has distinct connections and functions, the cerebellum can be parsed functionally into a medial sector called the spinocerebellum and a larger lateral sector called the cerebrocerebellum. [14]
There are three main subdivisions in the cerebellum and the flocculus is contained within the most primitive the vestibulocerebellum. [ 1 ] Its lobes are linked through a circuit of neurons connecting to the vermis, the medial structure in the cerebellum.
The vestibulocerebellum regulates eye movements by the integration of visual info provided by the superior colliculus and balance information. The spinocerebellum integrates visual, auditory, proprioceptive, and balance information to act out body and limb movements.
Vestibulocerebellar tract: vestibular information projects onto the vestibulocerebellum (also known as the archicerebellum). This peduncle also carries information leaving cerebellum: from the Purkinje cells to the vestibular nuclei in the dorsal brainstem located at the junction between the pons and medulla oblongata.