Amygdala subregion MRI alterations in Parkinson's disease correlate with olfactory function.

Front Aging Neurosci · 2026 · PMC13429738 · PMID 42548744

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a decreasing trendno p-value reported

MMSE scores showed a decreasing trend: HC > early PD > late PD, suggesting progressive cognitive decline with disease progression, consistent with previous studies ( Sivaranjini and Sujatha, 2021 ).

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