Lateral cerebellar hemispheres actively support sensory acquisition and discrimination rather than motor control.

By Lawrence M. Parsons, James M. Bower, Jia-Hong Gao, J. Xiong, Jinqi Li, Peter T. Fox. 1997

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Re-evaluating circuit mechanisms underlying pattern separation (2019, positive): “This hypothesis is consistent with functional evidence of the cerebellum’s involvement in sensory discrimination (Gao et al., 1996; Parsons et al., 1997; Parsons et al., 2009), but most eyeblink conditioning studies have used a single sensory cue.”
Functional Topography of the Cerebellum in Verbal Working Memory (2010, background): “The importance of the cerebellum in sensory acquisition and discrimination has been emphasized in several studies, and left cerebellar hemisphere activations pertaining to sensory discrimination have been reported (Belin et al. 1998, 2002; Bower 1997; Gao et al. 1996; Holcomb et al. 1998; Parsons e”
Cerebellar cortical degeneration disrupts discrimination learning but not delay or trace classical eyeblink conditioning. (2000, methodology): “More recent empirical work, however, challenges these findings and indicates that the cerebellum's role is not limited to purely motor functions but rather is involved in a range of higher order cognitive functions (for reviews, see Houk, Buckingham, & Barto, 1996; Parkins, 1997; Thach, 1996).”