Temporopontine fibers

Temporopontine fibres are descending corticopontine fibres arising from the temporal cortex and projecting to the ipsilateral pontine nuclei. In Prats-Galino et al. (2012), they are not described as an independent tract but are grouped with parietal and occipital corticopontine fibres as the parietotemporooccipitopontine tract. The tract tends to occupy a more dorsolateral position compared with the frontopontine tract.

The fibres relay in the pontine nuclei, whose neurons give rise to transverse pontine fibres. These cross the midline and pass through the middle cerebellar peduncle to reach the contralateral cerebellum. Therefore, the temporopontine fibres themselves terminate in the pontine nuclei and do not directly cross into the cerebellum.