Cerebellar rhythms: mechanisms, functions and translational opportunities.

Cerebellar rhythms provide frequency-specific support for motor, cognitive and affective functions. These oscillations are not epiphenomenal but rather dynamically regulated, spatially organized control signals that contribute to the coordination of prediction, error correction, learning and internal model updating. By synchronizing neuronal activity across cerebellar and distributed brain networks at multiple timescales, cerebellar rhythms enable precise and adaptable behaviour and coordination across neural systems. Accordingly, they offer biologically grounded targets for network-level diagnostics and therapeutic neuromodulation. At the circuit level, cerebellar rhythms within distinct frequency bands, ranging from theta and beta to gamma and very high-frequency oscillations, arise from specific microcircuit mechanisms within the inferior olive, the granular and molecular layers of the cerebellar cortex, and the deep cerebellar nuclei. These rhythms structure spike timing and help shape synaptic plasticity windows, forming a frequency-organized substrate for learning and control. Here we describe a frequency-function-modulation framework that links cerebellar oscillations to their behavioural roles and to neuromodulatory interventions. By integrating evidence from animal studies, computational models and non-invasive stimulation studies, we position cerebellar oscillations as a bridge between cerebellar circuit dynamics and systems-level coordination, thereby providing a mechanistic rationale for precision neuromodulation across motor and cognitive domains in neurological and psychiatric conditions.