Ordered alphabetically by student's last name
Greenberg |
Martin | Missig |
Pulinka |
Science, Ethics, and Public Policy: The Virtual Fountainhead Andrew M Martin and Thomas M Powers Department of Philosophy The Science, Ethics, and Public
Policy (SEPP) program at Delaware Biotechnology Institute serves as the
major fountainhead for discourse concerning scientific research and its
implications for human conduct. The SEPP web page serves as
the Science, Ethics, and Public Policy program's
"cyber-infrastructure". During the summer of
2008, Andrew Martin made a number of changes and additions to the SEPP
website. Cosmetic Changes included touching up images and adding
new pictures and logos for projects and events, e.g, a November 2008
conference, Environmental Nanoparticles: Science, Ethics, and Policy
and the Public Communication of Life Sciences project. Formatting
changes included rewriting all of the article links for
uniformity. The Content of the website was also improved with
many new articles having been added. Beyond his work in the
information technologies, Andrew was able to aid in the research of two
talks given by Dr. Thomas Powers in July. They are titled "The
Ethics of Biofuels" at Plants and Soils Montreal 08, and "Neuroimaging
and Philosophical Moral Psychology" at the Institute of Clinical
Research in Montreal. Delaware EPSCOR (NSF) funded this work.
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Peripheral Oxytocin Reduces Acoustic Startle in Male Rats: A Model of Post-traumatic Stress Disorder Galen A. Missig and Jeffrey B. Rosen Behavioral Neuroscience Program, Department of Psychology Oxytocin, is a nonapeptide
known for its role in parturition, maternal
behavior, affiliative behavior, and trustworthiness. Additionally it
may have anti-anxiety effects, but these are not well documented. The
present study investigated the anti-anxiety effect of oxytocin using
fear-potentiated startle (FPS) in male rats, an animal model of
post-traumatic stress disorder. The experiments used a Pavlovian
fear-conditioning paradigm that conditioned light stimulus with
unconditioned footshock. Anticipatory anxiety was then measured by
presenting an acoustic startle stimulus in the presence or absence of
the fear-conditioned light. Enhanced startle in the presence of the
light compared to the absence of the light indicated FPS. In the first
experiment subcutaneous injections of 0, 0.01, 0.1, or 1.0 µg/kg
oxytocin were given thirty minutes prior to conditioning to test the
effects on the acquisition of fear. In the second experiment the same
doses were given thirty minutes prior to FPS testing to measure the
effects on retrieval and expression of fear. The 0.01 and
0.1µg/kg
doses of oxytocin given before either fear conditioning or FPS testing
reduced startle both in the presence and absence of the light, but
there was no decrease in FPS with any dose of oxytocin. The results
indicate that rather than having an effect of reducing fear-potentiated
startle there was a global decrease in startle, suggesting a decrease
in non-specific anxiety and not a specific effect on learned fear.
Funded by the Department of Defense Post-Traumatic Stress
Disorder/Traumatic Brain Injury Research Program and the Undergraduate
Research Fellowship.
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Predicting Newlywed Marital Quality Through the Use of the SPAFF Lauren Pulinka, Rachael Greenberg, Jean-Philippe Laurenceau, & Elana Graber Department of Psychology Previous research has shown
that the success of marriages can be
predicted by examining positive and negative emotions during conflict
tasks (Gottman & Levenson 2000). The Specific Affect Coding System
(SPAFF) was developed and refined for coding a range of positive and
negative affects predictive of marital outcomes (Coan & Gottman
2007). Based on observing marital interactions, Gottman and Levenson
(2000) used SPAFF codes to predict early divorce based on the presence
of negative affect and later divorce based on the absence of positive
affect. The current study utilized behavioral observation of couple
interactions to examine emotions that may be predictive of relationship
outcomes (e.g., relationship satisfaction, divorce) two years later.
Participants consisted of 120 heterosexual newlywed couples (married
< 6 months) from Miami-Dade, Florida. Couples were videotaped
participating in a warm-up task, two conflict tasks, and a love task,
which are in the process of being coded using the SPAFF. The first step
to analyzing this data is to train the coders to be reliable with each
other as well as with an expert SPAFF researcher. Most research of this
kind has focused on positive and negative affects in the context of
conflict interactions, whereas the current study will also focus on the
presence of positive and negative affects in a positive (i.e., love)
task. While still in the training stages, we expect to replicate past
findings focusing solely on affects from newlywed conflict discussions
and extend findings by including a positive, loving discussion.
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