Parkinson's disease results in tremors through basal ganglia dysfunction affecting motor circuits.
Is it true that Parkinson's disease results in tremors through basal ganglia dysfunction affecting motor circuits?
Partly. While basal ganglia dysfunction has traditionally been viewed as the primary driver of Parkinson's disease motor symptoms, modern neuroscience increasingly points to a distributed network model involving structures like the cerebellum and wider cortical loops.
Verdict: CONTESTED · 5 sources for, 2 against · Last checked
The claim attributes Parkinson's tremors strictly to basal ganglia dysfunction affecting motor circuits. Several sources support the primary role of the basal ganglia and its oscillatory abnormalities in Parkinsonian motor symptoms (Papers 0, 3, 6, 7, 8). However, recent literature indicates that this view is incomplete, showing active involvement of the cerebellum and broader large-scale networks in generating parkinsonian motor features (Papers 9, 10). Because the literature disputes whether the basal ganglia alone are responsible or whether other systems like the cerebellum are crucially involved, the verdict is CONTESTED.
The evidence we hold leans leans supported
How this was weighed
official record 3x · fact-check 2x · hedged 1x · crowd & reference 1x
- Distributed dopaminergic signaling in the basal ganglia and · peer-reviewed · supports · weight 1.3 · 2023
- Basal ganglia oscillations as biomarkers for targeting circu · peer-reviewed · supports · weight 1.3 · 2020
- Interrogating basal ganglia circuit function in people with · peer-reviewed · supports · weight 1.3 · 2024
- Interrogating basal ganglia circuit function in Parkinson’s · peer-reviewed · supports · weight 1.05 · 2024
- Static and Dynamic State Feedback Control Model of Basal Gan · peer-reviewed · supports · weight 1.05 · 1997
- A Model with Dopamine Depletion in Basal Ganglia and Cerebel · peer-reviewed · refutes · weight 1.05 · 2024
- Multimodal neuroimaging to characterize symptom-specific net · peer-reviewed · refutes · weight 1.05 · 2024
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Zhai, S., Cui, Q., Simmons, D., & Surmeier, D. (2023). Distributed dopaminergic signaling in the basal ganglia and its relationship to motor disability in Parkinson’s disease. doi.org. https://doi.org/10.1016/j.conb.2023.102798
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Gambosi, B., Sheiban, F. J., Biasizzo, M., Antonietti, A., D'Angelo, E., Mazzoni, A., & Pedrocchi, A. (2024). A Model with Dopamine Depletion in Basal Ganglia and Cerebellum Predicts Changes in Thalamocortical Beta Oscillations. doi.org. https://doi.org/10.1142/s012906572450045x
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Petersson, P., Kühn, A., Neumann, W., & Fuentes, R. (2020). Basal ganglia oscillations as biomarkers for targeting circuit dysfunction in Parkinson's disease.. doi.org. https://doi.org/10.1016/bs.pbr.2020.02.002
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Sumarac, S., Spencer, K. A., Steiner, L., Fearon, C., Haniff, E., Kühn, A. A., Hodaie, M., Kalia, S. K., Lozano, A. M., Fasano, A., Hutchison, W. D., & Milosevic, L. (2024). Interrogating basal ganglia circuit function in people with Parkinson’s disease and dystonia. doi.org. https://doi.org/10.7554/eLife.90454
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Sumarac, S., Spencer, K., Steiner, L., Fearon, C., Haniff, E., Kühn, A., Hodaie, M., Kalia, S., Lozano, A., Fasano, A., Hutchison, W., & Milosevic, L. (2024). Interrogating basal ganglia circuit function in Parkinson’s disease and dystonia. doi.org. https://doi.org/10.1101/2023.08.26.554666
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Lörincz, A. (1997). Static and Dynamic State Feedback Control Model of Basal Ganglia-Thalamocortical Loops. doi.org. https://doi.org/10.1142/s0129065797000343
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EG, E., GM, M., V, K., DT, C., N, P., MM, R., & J, J. (2024). Multimodal neuroimaging to characterize symptom-specific networks in movement disorders.. doi.org. https://doi.org/10.1038/s41531-024-00774-3
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