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Skip to Search Results- 1Bhardwaj, Paramjit P
- 1Bhardwaj, Paramjit Paul
- 1Boonstra, R.
- 1Chivers-Wilson, Kaitlin
- 1Hik, D.
- 1Mislan, Patrick
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Assessing stress in western Hudson Bay polar bears using hair cortisol concentration as a biomarker
DownloadFall 2015
The development of novel biomarkers to help assess whether polar bear (Ursus maritimus) health is impacted by long-term physiological stress associated with climate change represents an emerging area of research. With progressively greater reductions in sea ice cover and a corresponding decrease...
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Fall 2009
In rodents, stress and corticosteroids rapidly increase excitatory neurotransmission. During excitatory neurotransmission, glutamate concentrations are maintained by conversion of glutamine to glutamate. The hypothesis was that cortisol would alter human prefrontal glutamine or glutamate...
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1998
Boonstra, R., Hik, D., Tinnikov, A., Singleton, G. R.
The sublethal effects of high predation risk on both prey behavior and physiology may have long-term consequences for prey population dynamics. We tested the hypothesis that snowshoe hares during the population decline are chronically stressed because of high predation risk whereas those during...
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Variation in in vivo prefrontal GABA, glutamate and glutamine – effects of reproductive factors, cortisol and major depressive disorder
DownloadFall 2017
Variations in glutamate and γ-aminobutyric acid (GABA), excitatory and inhibitory amino acid neurotransmitters in the brain, have been linked with cyclical changes across the menstrual cycle and in stress and stress-related mental disorders. We used 3.0 Tesla proton magnetic resonance...
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Fall 2009
This thesis contributes to the growing body of gender-specific health research by integrating both psychological and neuroendocrine data to assess the impacts of stress and violence on women's health. Women seeking support for intimate partner violence (IPV) were compared with women seeking...