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Updated: Jul 25, 2025
A Standardized Pipeline for Examining Human Cerebellar Grey Matter Morphometry using Structural Magnetic Resonance Imaging
Published on: February 4, 2022
Association of cerebellar volume with cognitive and motor function in adults with congenital heart disease
Nadja Naef1, Selma J Hottinger2, Ladina Schlosser2,3
1Child Development Center, University Children's Hospital Zurich, Zurich, CH, Switzerland. Nadja.naef@kispi.uzh.ch.
Insights
Adults with congenital heart disease (CHD) show largely normal cerebellar volumes, but more complex CHD may affect the posterior cerebellum. Cerebellar gray matter did not significantly impact cognitive or motor skills in this study.
Area of Science:
- Neuroscience
- Cardiology
- Medical Imaging
Background:
- Patients with congenital heart disease (CHD) face risks of cognitive and motor impairments, and brain injury.
- The cerebellum's specific role in cognitive and motor functions for adults with CHD remains unclear.
Purpose of the Study:
- To investigate cerebellar volumes and their association with cognitive and motor functions in adults with CHD.
- To determine if cerebellar gray matter differences correlate with functional impairments in this population.
Main Methods:
- Magnetic resonance imaging (MRI) and detailed cognitive/motor assessments were performed on 43 adults with CHD and 53 controls.
- Cerebellar volumes were quantified using EasyMeasure and SUIT Toolbox.
- Linear models analyzed associations between cerebellar volumes and functional outcomes.
Main Results:
- Adults with CHD exhibited lower general cognitive and motor functions compared to controls, with executive functions remaining normal.
- Total cerebellar and anterior lobe volumes were comparable between groups.
- A smaller posterior cerebellar lobe was observed in patients with more complex CHD.
Conclusions:
- Cerebellar volume is generally preserved in adults with CHD, though posterior gray matter may be affected in complex cases.
- No significant link was found between cerebellar gray matter volume and cognitive or motor impairments.
- Further research using advanced imaging is needed to fully understand the cerebellum's contribution to function in CHD.
Introduction:
Patients with congenital heart disease (CHD) are at risk for cognitive and motor function impairments, brain injury, and smaller total brain volumes. The specific vulnerability of the cerebellum and its role in cognitive and motor functions in adults with congenital heart disease is not well defined.
Methods:
Forty-three patients with CHD and 53 controls between 18 and 32 years underwent brain magnetic resonance imaging and cognitive, executive (EF), and motor function assessment. Cerebellar volumes were obtained using EasyMeasure and SUIT Toolbox. Associations between cerebellar volumes and cognitive and motor function were calculated using linear models.
Results:
General cognitive and pure motor functions were lower in patients compared to controls (P < 0.05). Executive functions were within the normal range. While total cerebellar volumes and the anterior lobes were similar in patients and controls (P > 0.1), the posterior cerebellar lobe was smaller in patients with more complex CHD (P = 0.006). Smaller posterior cerebellar gray matter was not associated with cognitive functions. Smaller anterior cerebellar gray matter was not significantly related to motor functions (P > 0.1).
Conclusion:
In adults with CHD, cerebellar volume was largely unimpaired. Patients with more complex CHD may be vulnerable to changes in the posterior cerebellar gray matter. We found no significant contribution of cerebellar gray matter to cognitive and motor impairments. More advanced imaging techniques are necessary to clarify the contribution of the cerebellum to cognitive and motor functions.
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