Catherine M Davis-Takacs


Department of Primary Appointment:
School of Medicine
Pharmacology & Molecular Therapeutics
Location: Uniformed Services University of the Health Sciences, Bethesda, MD
Research Interests:
Office Phone


BA, Psychology, Washington & Jefferson College, Washington, PA
MA, Experimental Psychology, American University, Washington DC
PhD, Behavior, Cognition and Neuroscience, American University, Washington, DC
Postdoctoral training, Division of Behavioral Biology, Department of Psychiatry and Behavioral Sciences, Johns Hopkins University School of Medicine


Research in my lab aims to understand how low dose and/or low dose-rate exposure to ionizing radiation damages the central nervous system (CNS) to develop effective countermeasures to protect the CNS and preserve cognitive function.

Representative Bibliography

Thomas PK, Sullivan LK, Dickinson GH, Davis CM, Lau AG. The Effect of Helium Ion Radiation on the Material Properties of Bone. Calcif Tissue Int. 2021 Jan 30;. doi: 10.1007/s00223-021-00806-7. [Epub ahead of print] PubMed PMID: 33517470.

Chu C, Davis CM, Lan X, Hienz RD, Jablonska A, Thomas AM, Velarde E, Li S, Janowski M, Kai M, Walczak P. Neuroinflammation After Stereotactic Radiosurgery-Induced Brain Tumor Disintegration Is Linked to Persistent Cognitive Decline in a Mouse Model of Metastatic Disease. Int J Radiat Oncol Biol Phys. 2020 Nov 1;108(3):745-757. doi: 10.1016/j.ijrobp.2020.05.027. Epub 2020 May 26. PubMed PMID: 32470502; NIHMSID:NIHMS1598447.

Jones CB, Davis CM, Sfanos KS. The Potential Effects of Radiation on the Gut-Brain Axis. Radiat Res. 2020 Mar;193(3):209-222. doi: 10.1667/RR15493.1. Epub 2020 Jan 3. Review. PubMed PMID: 31898468.

Robinson S, Granata L, Hienz RD, Davis CM. Temporary inactivation of the medial prefrontal cortex impairs the formation, but not the retrieval of social odor recognition memory in rats. Neurobiol Learn Mem. 2019 May;161:115-121. doi: 10.1016/j.nlm.2019.04.003. Epub 2019 Apr 3. PubMed PMID: 30953696.

Jones CB, Mange A, Granata L, Johnson B, Hienz RD, Davis CM. Short and Long-Term Changes in Social Odor Recognition and Plasma Cytokine Levels Following Oxygen (16O) Ion Radiation Exposure. Int J Mol Sci. 2019 Jan 15;20(2). doi: 10.3390/ijms20020339. PubMed PMID: 30650610; PubMed Central PMCID: PMC6359552.

Johnson D, Lawrence SE, Livingston EW, Hienz RD, Davis CM, Lau AG. Modeling Space Radiation Induced Bone Changes in Rat Femurs through Finite Element Analysis. Annu Int Conf IEEE Eng Med Biol Soc. 2018 Jul;2018:1763-1766. doi: 10.1109/EMBC.2018.8512620. PubMed PMID: 30440736.

Mange A, Cao Y, Zhang S, Hienz RD, Davis CM. Whole-Body Oxygen (16O) Ion-Exposure-Induced Impairments in Social Odor Recognition Memory in Rats are Dose and Time Dependent. Radiat Res. 2018 Mar;189(3):292-299. doi: 10.1667/RR14849.1. Epub 2018 Jan 13. PubMed PMID: 29332539.

Davis CM, Roma PG, Hienz RD. A rodent model of the human psychomotor vigilance test: Performance comparisons. J Neurosci Methods. 2016 Feb 1;259:57-71. doi: 10.1016/j.jneumeth.2015.11.014. Epub 2015 Nov 27. PubMed PMID: 26639896.

Davis CM, DeCicco-Skinner KL, Hienz RD. Deficits in Sustained Attention and Changes in Dopaminergic Protein Levels following Exposure to Proton Radiation Are Related to Basal Dopaminergic Function. PLoS One. 2015;10(12):e0144556. doi: 10.1371/journal.pone.0144556. eCollection 2015. PubMed PMID: 26658810; PubMed Central PMCID: PMC4684339.

Davis CM, DeCicco-Skinner KL, Roma PG, Hienz RD. Individual differences in attentional deficits and dopaminergic protein levels following exposure to proton radiation. Radiat Res. 2014 Mar;181(3):258-71. doi: 10.1667/RR13359.1. Epub 2014 Mar 10. PubMed PMID: 24611657.