Fundamental frequency variability and vocal intensity regulation

1. SNCA is associated with fundamental frequency variability and vocal intensity regulation in T. guttata.

   “In a gene-driven PD state there were greater alterations in f o variability and intensity regulation”

   Animalsalpha-synuclein overexpression induced by viral injections; compared with control treatmentArea X

   Vocal biomarkers of aging and Parkinson’s disease in a songbird

   bioRxiv (Cold Spring Harbor Laboratory)·Jul 29, 2026Preprint

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