期刊
NEUROSCIENCE LETTERS
卷 760, 期 -, 页码 -出版社
ELSEVIER IRELAND LTD
DOI: 10.1016/j.neulet.2021.136105
关键词
Cerebellum; Parkinson's disease; Cognition; Visuospatial disorder; Increased activity
Degenerative diseases can affect brain activity and functional connectivity, with Parkinson's patients showing increased activity in certain areas of the cerebellum. Although the functional interpretation of these findings is complex, the cerebellum's unique architecture and connectivity play a crucial role in understanding its role in degenerative diseases. The cerebellum's primary function is thought to be motor-related, influencing behaviors related to emotions and cognition.
Degenerative diseases alter brain activity and functional connectivity. In this issue of the Neuroscience Letters, Yin and others (2021) [6] present data showing increased activity in lobules VIII and IX of the cerebellar vermis in Parkinson's patients with visuospatial disorders. The study refines the fMRI mapping of the cerebellum, but the functional interpretation of the findings remains complex. The architecture and connectivity of the cerebellum set it apart from the rest of the brain and should be considered when interpreting the functional connectivity data. In degenerative diseases, the cerebellum suffers from the same pathology as the cerebral cortex; hence, it is unlikely that changes in the cerebellum could ameliorate clinical symptoms in degenerative diseases. Clinical, surgical data indicate that the primary function of the cerebellum is motor, not cognition or affective. The cerebellar anatomy buttresses these observations. The cerebellum receives direct motor-related inputs but no direct information from the sensory system. Hence, it likely contributes to the behavioral components of emotions and cognition.
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