Which one of the following pathways relay high-fidelity, somatotopically arranged information to the cerebellar cortex?
A. Posterior spinocerebellar pathway
B. Anterior spinocerebellar tract
C. Cuneocerebellar pathway
D. Rostral spinocerebellar tract
E. Both A and C
ANS: E
Rationale: Two pathways relay high-fidelity, somatotopically arranged information to the cerebellar cortex: the (1) posterior spinocerebellar and (2) cuneocerebellar pathways. The anterior spinocerebellar and rostral spinocerebellar tracts monitor spinal interneuron activity and descending motor signals from the cerebral cortex and brainstem.
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