vestibulocerebellum (i.e. flocculonodular lobe)???
deep nucleus in the cerebellum
"The flocculus is a small lobe of the cerebellum at the posterior border of the middle cerebellar peduncle anterior to the biventer lobule; it is associated with the nodulus of the vermis; together, these two structures compose the vestibular part of the cerebellum"
"pair of small lobes on the posterior border of the cerebellum, forming part of the vestibular part of the cerebellum"
opto-kinetic and vestibulo-ocular movements
involved in computing mismatch of head velocity and eye velocity
Miles et al. found that floccular Purkinje cells in the monkey respond to the visual signal that arises from this head/eye velocity mismatch
involved in adaptation of vestibulo-ocular and opto-kinetic reflexes
the gain of the vestibulo-ocular and opto-kinetic reflexes adapt
gain = how much to move the eyes relative to the head
so we can adapt over a few days to reversing prisms and glasses, which change how head movement effects retinal movement
also requires the vestibular ('one of the deep cerebellar nuclei (the vestibular) in the brainstem??? - KS4 1243)
also may be involved in adaptation for saccades
sends eye velocity signal for smooth pursuit
fires tonically
involved in neural integration of the velocity signal (ks4 790)
flocculus = small fluffy mass or tuft