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Cerebellum. 2013 Oct;12(5):738-57. doi: 10.1007/s12311-013-0464-0.

Consensus paper: current views on the role of cerebellar interpositus nucleus in movement control and emotion.

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Department of Bio-Medical Sciences, Section of Physiology, University of Catania, Viale Andrea Doria 6, 95125, Catania, Italy.


In the present paper, we examine the role of the cerebellar interpositus nucleus (IN) in motor and non-motor domains. Recent findings are considered, and we share the following conclusions: IN as part of the olivo-cortico-nuclear microcircuit is involved in providing powerful timing signals important in coordinating limb movements; IN could participate in the timing and performance of ongoing conditioned responses rather than the generation and/or initiation of such responses; IN is involved in the control of reflexive and voluntary movements in a task- and effector system-dependent fashion, including hand movements and associated upper limb adjustments, for quick effective actions; IN develops internal models for dynamic interactions of the motor system with the external environment for anticipatory control of movement; and IN plays a significant role in the modulation of autonomic and emotional functions.

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