Claude Castille

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Brain-derived neurotrophic factor (BDNF) has been implicated in hippocampal-dependent learning processes, and carriers of the Met allele of the Val66Met BDNF genotype are characterized by reduced hippocampal structure and function. Recent nonhuman animal work suggests that BDNF is also crucial for amygdala-dependent associative learning. The present study(More)
Web 2.0 applications such as blogs, wikis and social networking sites have challenging privacy issues. Many users are unaware that search engines index personal information from these sites and offer public access to collected data. As a consequence, privacy invasions are rampant. In this paper, we demonstrate that tag-based privacy policies are a usable(More)
Many widely deployed phishing defense schemes, such as SiteKey, use client-side secrets to help users confirm that they are visiting the correct website before entering their passwords. Unfortunately, studies have demonstrated that up to 92% of users can be convinced to ignore missing client-side secrets and enter their passwords into phishing pages.(More)
In the present study, the startle reflex was examined with respect to the degree of anger displayed in facial expressions. To this end, 52 participants viewed faces that were morphed to display 0, 20, 40, 60, 80, or 100% anger. As the percentage of anger in faces increased from 0 to 100%, faces were perceived as increasingly angry; however, relative to(More)
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