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Cerebellar damage can also produce a "wing-beating" type of tremor called rubral or Holmes 'tremor - a combination of rest, action, and postural tremors.
Efferent fibers from rubral neurons emerge from the dorsomedial part of the red nucleus, penetrate the cellular layer and its outer capsule of the fiber bundle, and then descend as the CTT to the inferior olive.
The human red nucleus was previously considered to correspond to the rubral complex of nuclei.