Graduation Date

Fall 2023

Document Type



Master of Arts degree with a major in Psychology, option Academic Research

Committee Chair Name

Dr. Amanda Hahn

Committee Chair Affiliation

HSU Faculty or Staff

Second Committee Member Name

Dr. Ethan Gahtan

Second Committee Member Affiliation

HSU Faculty or Staff

Third Committee Member Name

Sally Hang, M.A.

Third Committee Member Affiliation

Community Member or Outside Professional


Immune system, Cytokines


Previous research has shown that simply viewing a pathogenic threat (e.g., a photo of someone sneezing) can trigger our immune systems to activate. Activation of the immune system can be measured through a variety of physiological markers, including inflammatory cells (i.e., cytokines) in the blood or saliva. The current study aims to replicate that finding that viewing pathogen-relevant images will trigger an immune response, and extend this work by investigating whether individual differences in perceived vulnerability to disease impacts the size of this immune response.

Citation Style

Rosales-Vijil, E. (2023)



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