Significant cholinergic dysfunctions occur in the aged and demented central nervous system.
Is it true that significant cholinergic dysfunctions occur in the aged and demented central nervous system?
Yes. Extensive neuroimaging, clinical, and histological evidence confirms that central cholinergic systems undergo profound degeneration during normal aging and severe dysfunction in dementias such as Alzheimer's disease and Lewy body dementia.
Verdict: SUPPORTED · 4 sources for, 0 against · Last checked
The claim states that significant cholinergic dysfunctions occur in the aged and demented central nervous system. Multiple retrieved papers explicitly support this well-established consensus, documenting age-related declines in cholinergic integrity (e.g., papers 0 and 1) and marked cholinergic system involvement and dysfunction in dementias like Alzheimer's and Lewy body dementia (papers 1, 4, and 9). No papers refute this claim. Therefore, the balance verdict is SUPPORTED.
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A, d. F. P., PJ, T., M, A., L, O., SJ, G., T, V. V., & E, d. V. (2026). Whole-brain cholinergic modulation following computerized cognitive training in healthy older adults: a [18F]FEOBV PET study.. doi.org. https://doi.org/10.1007/s11357-026-02499-y
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L, P., BP, I., & N, P. (2026). Revisiting the cognitive potential of lithium in alzheimer's disease: the role of cholinergic system and brain connectivity.. doi.org. https://doi.org/10.1038/s41398-026-04307-9
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J, W., X, X., & Y, G. (2026). Motor System Neurodegeneration in Aging and Synucleinopathies: Circuit Vulnerability and Neuroimaging Biomarkers.. doi.org. https://doi.org/10.14336/ad.2026.0457
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L, L., X, H., R, L., JJ, Y., & Q, M. (2026). Advances in Targeting Central Cholinergic Dysfunction for Neurodegenerative Diseases: From Pharmacotherapy to Neuromodulation.. doi.org. https://doi.org/10.1002/cns.71151
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