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    Middle age, a key time point for changes in birdsong and human voice

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    Author
    Badwal, Areen
    Borgstrom, Mark
    Samlan, Robin A
    Miller, Julie E
    Affiliation
    Univ Arizona, Dept Neurosci
    Univ Arizona, Univ Informat Technol Serv
    Univ Arizona, Dept Speech Language & Heating Sci
    Univ Arizona, Dept Speech Language
    Univ Arizona, Dept Hearing Sci
    Issue Date
    2020-03-12
    Keywords
    voice
    speech
    birdsong
    zebra finch
    aging
    
    Metadata
    Show full item record
    Publisher
    AMER PSYCHOLOGICAL ASSOC
    Citation
    Badwal, A., Borgstrom, M., Samlan, R. A., & Miller, J. E. (2020). Middle age, a key time point for changes in birdsong and human voice. Behavioral Neuroscience, 134(3), 208–221.
    Journal
    Behavioral neuroscience
    Rights
    Copyright © 2020, American Psychological Association.
    Collection Information
    This item from the UA Faculty Publications collection is made available by the University of Arizona with support from the University of Arizona Libraries. If you have questions, please contact us at repository@u.library.arizona.edu.
    Abstract
    Voice changes caused by natural aging and neurodegenerative diseases are prevalent in the aging population and diminish quality of life. Most treatments involve behavioral interventions that target the larynx because of a limited understanding of central brain mechanisms. The songbird offers a unique entry point into studying age-related changes in vocalizations because of a well-characterized neural circuitry for song that shares homology to human vocal control areas. Previously we established a translational dictionary for evaluating acoustic features of birdsong in the context of human voice measurements. In the present study. we conduct extensive analyses of birdsongs from young, middle-aged, and old male zebra finches. Our findings show that birdsongs become louder with age, and changes in periodic energy occur at middle age but are transient; songs appear to stabilize in old birds. Furthermore, faster songs are detected in finches at middle age compared with young and old finches. Vocal disorders in humans emerge at middle age, but the underlying brain pathologies are not well identified. The current findings will motivate future investigations using the songbird model to identify possible brain mechanisms involved in human vocal disorders of aging.
    Note
    Supplementary data available in the University of Arizona Research Data Repository
    EISSN
    1939-0084
    PubMed ID
    32162938
    DOI
    10.1037/bne0000363
    10.25422/azu.data.12020763.v1
    Version
    Final accepted manuscript
    Sponsors
    University of Arizona; Undergraduate Biology Research Program
    Additional Links
    https://arizona.figshare.com/articles/media/Raw_birdsong_data_for_Middle_Age_a_Key_Time_Point_for_Changes_in_Birdsong_and_Human_Voice_/12020763
    ae974a485f413a2113503eed53cd6c53
    10.1037/bne0000363
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