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A Standardized Pipeline for Examining Human Cerebellar Grey Matter Morphometry using Structural Magnetic Resonance Imaging
Published on: February 4, 2022
Quantification of gray matter changes in the cerebral cortex after isolated cerebellar damage: a voxel-based
S Clausi1, M Bozzali, M G Leggio
1Ataxia Laboratory, Santa Lucia Foundation, IRCCS, Via Ardeatina 306, 00179 Rome, Italy; Neuroimaging Laboratory, Santa Lucia Foundation, IRCCS, Via Ardeatina 306, 00179 Rome, Italy.
Neuroscience
|May 5, 2009
Summary
Focal cerebellar damage (CD) can alter gray matter density in connected brain regions. Right-sided CD, unlike left-sided CD, was linked to reduced gray matter in the left cerebral cortex, impacting cognitive functions.
Area of Science:
- Neuroscience
- Cognitive Neurology
- Neuroimaging
Background:
- The cerebellum's role in cognitive function modulation is increasingly recognized.
- Mechanisms of cerebellar interaction with cognitive networks require further elucidation.
Purpose of the Study:
- To investigate cerebral gray matter (GM) density changes in patients with focal cerebellar damage (CD).
- To explore the relationship between isolated cerebellar lesions and cognitive dysfunction.
Main Methods:
- Magnetic resonance imaging (MRI) and voxel-based morphometry (VBM) were employed.
- Analyzed T1-weighted volumes to assess GM density in 15 CD patients versus 15 controls.
Main Results:
- Patients with right-sided CD showed reduced GM density in left frontal, parietal, and temporal lobes.
- No significant neuropsychological or cerebral GM abnormalities were found in patients with left-sided CD.
- Cerebral GM changes correlated with observed neuropsychological deficits.
Conclusions:
- Isolated cerebellar damage can lead to detectable changes in cerebral GM density.
- Findings suggest cerebellar influence on neuronal networks supporting higher-level cognitive functions in the association cortex.
