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Your Environment. Your Health.

Person Details: Susan Searles Nielsen

Superfund Research Program

Susan Searles Nielsen

University of Washington
University of Washington, SRP
Department of Environmental and Occupational Health Sciences
Box 357234
Seattle, Washington 98195-7234
Phone: 206-685-2487

Research Briefs



  • Criswell SR, Searles Nielsen S, Dlamini WW, Warden MN, Perlmutter JS, Sheppard L, Moerlein SM, Lenox-Krug J, Checkoway H, Racette BA. 2021. Principal component analysis of striatal and extrastriatal D2 dopamine receptor positron emission tomography in manganese-exposed workers. Toxicol Sci 182:doi:10.1093/toxsci/kfab045 PMID:33881537 PMCID:PMC8285020


  • Criswell SR, Searles Nielsen S, Warden MN, Perlmutter JS, Moerlein SM, Sheppard L, Lenox-Krug J, Checkoway H, Racette BA. 2020. [11C]dihydrotetrabenazine positron emission tomography in manganese-exposed workers. J Occup Environ Med 62:788-794. doi:10.1097/JOM.0000000000001915 PMID:32472844 PMCID:PMC7786890



  • Racette BA, Searles Nielsen S, Criswell SR, Sheppard L, Seixas N, Warden MN, Checkoway H. 2017. Dose-dependent progression of parkinsonism in manganese-exposed welders. Neurology 88(4):344-351. doi:10.1212/WNL.0000000000003533 PMID:28031394 PMCID:PMC5272970
  • Searles Nielsen S, Al-Lozi A, Hershey T, Birke A, Checkoway H, Criswell SR, Racette BA. 2017. Cognitive control dysfunction in workers exposed to manganese-containing welding fume. Am J Ind Med 60(2):181-188. doi:10.1002/ajim.22675 PMID:27862095



  • Checkoway H, Searles Nielsen S, Racette BA. 2014. Epidemiological Studies of Parkinsonism in Welders. Chapter 20 in: Manganese in Health and Disease. Royal Society of Chemistry, Cambridge, United Kingdom.


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