![]() ![]() Spatial ability refers to the capacity to understand, reason about, and remember the spatial relations among objects or space. In the current review, we aim to describe the cognitive profile following cerebellar damage, reveal the cognitive topography of the cerebellum, and explore the effect of the cerebral-cerebellar loop on cognition through the model of cerebellar stroke. Beyond physical disability, cognitive impairment has been recognized in cerebellar stroke patients, with approximately 64% of whom developed cognitive impairment and 24% of whom fulfilled diagnostic criteria for dementia. In addition, the distribution of cerebellar infarction lesions varied by different vascular territories, which was applicable to studying the cognitive topography of the cerebellum. Cerebellar stroke, in which the lesion is confined to the cerebellum and not complicated by cerebral abnormities such as atrophy and hydrocephalus, provides an appropriate clinical model for studying the role of the cerebellum in the cognitive process. In the past two decades, the role of the cerebellum in cognition has been widely verified in patients with different types of cerebellar disorders. The concept of CCAS is a milestone in the study of cerebellar cognition. described a series of cognitive and behavioral dysfunctional symptoms in 20 patients with focal cerebellar lesions and summarized them with the term “cerebellar cognitive affective syndrome” (CCAS). However, several studies have shown the effect of the cerebellum on cognition and affect. The goal of this review is to spread awareness of cognitive impairments in cerebellar disorders.įor many decades, the cerebellum has been considered a pure control machine for physical movement. ![]() The consideration of these findings could contribute to deeper and more sophisticated insights into the cognitive function of the cerebellum and might provide a novel approach to cognitive rehabilitation. And the characteristic of cognitive deficits are mild, span a broad spectrum, dominated by executive impairment. The data indicates the disruption of the cerebro-cerebellar loop in cerebellar stroke and its contribution to cognitive dysfunctions. This review article targeting the cerebellar stroke population (1) describes a cognitive impairment profile, (2) identifies the cerebellar structural alterations linked to cognition, and (3) reveals possible mechanisms of cerebellar cognition using functional neuroimaging. Cerebellar stroke, in which the lesions are focal and limited, provides an appropriate clinical model disease for studying the role of the cerebellum in the cognitive process. Although the cerebellum has been consistently noted in the process of cognition, the pathophysiology of this link is still under exploration. ![]()
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