What characteristic symptom may occur with cerebellar disease?

A characteristic symptom of cerebellar disease is swaying during walking. This symptom arises due to the cerebellum's crucial role in coordinating movement and maintaining balance. The cerebellum processes information from the vestibular system, proprioceptors, and visual inputs to help regulate posture and locomotion. When the cerebellum is impaired, as seen in conditions like ataxia, patients often exhibit a gait that is unsteady and characterized by a swaying motion. This instability is typically more pronounced when patients walk with their eyes closed, as they depend more on proprioceptive feedback rather than visual cues, reflecting the loss of proper balance and coordination.

The other symptoms do not typically align with the hallmark presentations associated with cerebellar dysfunction. Increased arm swing, for instance, would suggest more fluid and coordinated movement rather than the lack of coordination experienced in cerebellar issues. Comfort in standing with eyes closed indicates a well-functioning proprioception, which is usually affected in cerebellar disease where balance is compromised. Lastly, increased stability on turns contradicts the very nature of cerebellar dysfunction, where making turns can be challenging due to impaired coordination and balance. Therefore, swaying during walking best encapsulates the symptoms associated with cerebellar conditions