Shannon Parker

Durham, North Carolina, United States Contact Info
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Shannon "Parker" Parker spearheads regulatory and industry engagement, as well as…

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Volunteer Experience

  • Sustainability Defined Graphic

    Content Contributor

    Sustainability Defined

    - 2 years 7 months

    Environment

    Supports Sustainability Defined podcast production by providing thorough background research and detailed episode outlines for a variety of topics such as climate advocacy, university sustainability, and sustainable gifts.

Publications

  • Pleiotropic control by testosterone of a learned vocal behavior and its underlying neuroplasticity

    eNeuro

    Steroid hormones coordinate multiple aspects of behavior and physiology. The same hormone often regulates different aspects of a single behavior and its underlying neuroplasticity. This pleiotropic regulation of behavior and physiology is not well understood. Here, we investigated the orchestration by testosterone (T) of birdsong and its neural substrate, the song control system. Male canaries were castrated and received stereotaxic implants filled with T in select brain areas. Implanting T…

    Steroid hormones coordinate multiple aspects of behavior and physiology. The same hormone often regulates different aspects of a single behavior and its underlying neuroplasticity. This pleiotropic regulation of behavior and physiology is not well understood. Here, we investigated the orchestration by testosterone (T) of birdsong and its neural substrate, the song control system. Male canaries were castrated and received stereotaxic implants filled with T in select brain areas. Implanting T solely in the medial preoptic nucleus (POM) increased the motivation to sing, but did not enhance aspects of song quality such as acoustic structure and stereotypy. In birds implanted with T solely in HVC, a key sensorimotor region of the song control system, little or no song was observed, similar to castrates that received no T implants of any sort. However, implanting T in HVC and POM simultaneously rescued all measures of song quality. Song amplitude, though, was still lower than what was observed in birds receiving peripheral T treatment. T in POM enhanced HVC volume bilaterally, likely due to activity dependent changes resulting from an enhanced song rate. T directly in HVC, without increasing song rate, enhanced HVC volume on the ipsilateral side only. T in HVC enhanced the recruitment of new neurons into this nucleus while singing activity and local T action can independently influence the incorporation of new neurons into HVC. These results have broad implications for how steroid hormones integrate across different brain regions to coordinate complex social behaviors.

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Courses

  • Business and the Environment

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  • Cognitive Psychology

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  • Environmental Economics

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  • Environmental Finance

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  • Environmental Megatrends

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  • Health and Environmental Data Sciene

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  • Interpersonal Relations

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  • Leading Change

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  • Microeconomics

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  • Social Psychology

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  • Stress and the Brain

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  • Supply Chain Management

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  • Sustainable Business Strategy

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Honors & Awards

  • Forte Fellowship

    Forte Foundation

  • Professional Student Merit Scholarship

    Duke University Nicholas School of The Environment

  • Curt P. Richter Award for Outstanding Achievement in Behavioral Biology

    David S. Olton Program in Behavioral Biology

  • NFHCA National Academic Squad (2013, 2014 & 2015)

    NFCHA

  • Honors In Behavioral Biology Undergraduate Research

    Davis S. Olton Program in Behavioral Biology

Languages

  • English

    Native or bilingual proficiency

  • French

    Limited working proficiency

Organizations

  • Net Impact Club

    -

    - Present

  • Psi Chi Honor Society

    Secretary/ Historian

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    International Honor Society in Psychology, was founded in 1929 with a mission to encourage excellence in scholarship and advance the science of psychology - As Secretary/ Historian, responsible for documenting meeting proceedings and organizing general communications between chapter members.

  • Phi Mu Fraternity

    Merchandise Chair

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  • JHU Varsity Field Hockey

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    Four year member of D3 NCAA field hockey program - CORPS Leader 2015 - Centennial Conference Academic Honor Roll 2013 & 2014 - Most Improved Player Award 2014

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