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  • Title: Somatotopic alignment between climbing fiber input and nuclear output of the cat intermediate cerebellum.
    Author: Gibson AR, Robinson FR, Alam J, Houk JC.
    Journal: J Comp Neurol; 1987 Jun 15; 260(3):362-77. PubMed ID: 3597837.
    Abstract:
    The rostral dorsal accessory olive (rDAO) contains a detailed somatosensory map of the entire contralateral body surface. The rDAO projects to the anterior interpositus nucleus (NIA) directly as well as indirectly by way of Purkinje cells in cerebellar cortex. NIA maintains a topographic relation to different levels of the spinal cord through a relay in the magnocellular red nucleus (RNm) and, thus, contains a motor somatotopy. By using bidirectional transport of WGA-HRP, we demonstrate that the sensory somatotopy of rDAO aligns with the motor somatotopy of NIA. It is likely that rDAO information supplied to the cerebellum from a specific part of the body is used to influence movements restricted to that same body part.
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