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Effects Of Nicotine Vs Non-Nicotine E-Cigarettes On The Aggression Behavior Of Crayfish, Alex Kimble
Effects Of Nicotine Vs Non-Nicotine E-Cigarettes On The Aggression Behavior Of Crayfish, Alex Kimble
Williams Honors College, Honors Research Projects
This study looks at the effects of e-cigarette vapor with and without nicotine on the aggression behavior of crayfish (Procambarus clarkii). The treatment groups were control, nicotine, and non-nicotine. The mass, sex, and condition of their appendages were recorded before random assignment. For the purpose of this study only male crayfish were used as there were not enough female crayfish. The crayfish were then randomly assigned to each group and contained ten crayfish that were subjected to the e-cigarette vapor infused water environment for a twenty-four hour period. The control group did not contain e-cigarette vapor and was exposed to …
Estrogen Receptors In The Medial Amygdala Inhibit The Expression Of Male Prosocial Behavior, Bruce S. Cushing, Adam Perry, Sergei Musatov, Sonoko Ogawa
Estrogen Receptors In The Medial Amygdala Inhibit The Expression Of Male Prosocial Behavior, Bruce S. Cushing, Adam Perry, Sergei Musatov, Sonoko Ogawa
Biology Faculty Research
Studies using estrogen receptor alpha(ER) knock-out mice indicate that ER alpha masculinizes male behavior. Recent studies of ER alpha and male prosocial behavior have shown an inverse relationship between ER alpha expression in regions of the brain that regulate social behavior, including the medial amygdala (MeA), and the expression of male prosocial behavior. These studies have lead to the hypothesis that low levels of ER alpha are necessary to "permit" the expression of high levels of male prosocial behavior. To test this, viral vectors were used to enhance ER alpha in male prairie voles (Microtus ochrogaster), which display high levels …