Seminars & Events

Friday, October 4, 2013: Dr. Laurie Ryan, SMCM '86 (National Institute on Aging) will speak on "Alzheimer's Disease: Targets and Treatments" at 3:00 pm in Goodpaster Hall 195.

Monday, October 21, 2013: Dr. Greg Elmer (University of Maryland Baltimore) will speak on "Domains and Constructs in Motivation: Where Does the Habenula Fit In?" at 4:45 pm in Goodpaster Hall 195

Friday, October 25, 2013:  Dr. Terry Davidson (American University) will speak on "Why We Overeat and Become Obese?  It Could be What We Think!" at 3:00 pm in Goodpaster Hall 195.

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Alumni Highlight

Dr. Gwen Calhoon '06 recently received her Ph.D. in Neuroscience from the University of Maryland Baltimore, and was inducted into Nu Rho Psi.

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SMP Spotlight

Katie Gluskin and Jeff Haus present their SMP
Katie Gluskin and Jeff Haus, "Entorhinal Cortex Lesions, Habituation, and Latent Inhibition," 2013. Gluskin and Haus, the 2013 co-winners of the Neuroscience Award, infused a neurotoxin into the entorhinal cortex of rats to induce a lesion, and measured the resulting habituation and latent inhibition behavior within a fear conditioning paradigm.

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McGill, Jacquelyn (2007).  The Effects of Diazepam on Anxiety with Repeated Testing in Rats.  Winner of a Sigma Xi Grant-in-Aid of Research and a Psi Chi Undergraduate Research Grant.
Dr. Anne Marie Brady

Abstract

The locus coeruleus (LC) and the amygdala are two areas of the brain involved in anxiety.  Benzodiazepines, such as diazepam, decrease anxiety behaviorally.  Histological data using cFos also supports diazepam’s role in reducing anxiety, through possible regulation by the LC and amygdala.  It was hypothesized that a dose-dependent decrease in anxiety after administration of 0, 0.5 and 1.0 mg/kg of diazepam would be seen both on the elevated plus maze and open field after repeated testing and on anxiety-induced cFos expression in both the LC and amygdala.  No significant effects of dose were seen behaviorally or in the number of activated cells, suggesting either these areas do not influence anxiety or that different experiments are needed to see their effects.