Mossy and climbing fiber projections of extraocular muscle afferents to the cerebellum
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Cited by (101)
The behavior of motoneurons
2022, Progress in Brain ResearchCitation Excerpt :In the spinal cord some stretch afferents cross to the ventral horn to close a segmental feedback loop but the great majority of fibers turn rostrally and ascend to higher centers for more sophisticated purposes, but what they might be is as unknown for spinal as for oculomotor control. The eye-muscle, proprioceptive signal has been seen in the vestibular nucleus (Ashton et al., 1984) and reticular formation (Gernandt, 1968), interacting with vestibular signals in the superior colliculus (Abrahams and Anstee, 1979; Donaldson and Long, 1980), in the cerebellar vermis (Baker et al., 1972; Fuchs and Kornhuber, 1969; Schwarz and Tomlinson, 1977) and visual cortex (Buisseret and Maffei, 1977). Since γ efferent activity determines stretch afferent sensitivity to movement, our total lack of knowledge of the former in the oculomotor system, if it even exists, makes it hazardous to guess at the latter.
Oculomotor cerebellum
2006, Progress in Brain ResearchCitation Excerpt :Individual Purkinje cell climbing fiber responses (CFRs) are coincident with extracellularly recorded field potentials. Climbing fiber field potentials, evoked by electrical stimulation of the IV and V cranial nerves, are larger and have a longer latency than presumed simple spikes responses (SSs) evoked by mossy fibers indirectly through granule cells (Baker et al., 1972). Purkinje cell activity in the lobus simplex (HVI) as well as ansiform lobe (HVII) is modulated by stretch of the extraocular eye muscles (Fig. 2A and B).
The characteristics and neuronal substrate of saccadic eye movement plasticity
2004, Progress in NeurobiologyEffects of lesions of the cerebellar oculomotor vermis on eye movements in primate: Binocular control
2003, Progress in Brain ResearchNon-visual information does not drive saccade gain adaptation in monkeys
2002, Brain ResearchCitation Excerpt :Primate EOMs contain proprioceptive receptors (see Ref. [16] for review). Both EOM proprioceptive signals [2] and saccade-related inputs [12] reach the posterior vermis of the cerebellum. This part of the brain is strongly implicated in saccade adaptation in primates [3,13,20].
The vestibulo-ocular reflex in fourth nerve palsy: Deficits and adaptation
2002, Vision Research
This research was supported in part by U.S. Public Health Service Research Grant No. NS 09916-01 from the National Institute of Neurological Diseases and Stroke.