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Recent research in inductive category learning has demonstrated that interleaved study of category exemplars results in better performance than does studying each category in separate blocks. However, the questions of how the category structure influences this advantage and how simultaneous presentation interacts with the advantage are open issues. In this(More)
Research on how information should be studied during inductive category learning has identified both interleaving of categories and blocking by category as beneficial for learning. Previous work suggests that this mixed evidence can be reconciled by taking into account within- and between-category similarity relations. In this article, we present a new(More)
Previous research has suggested that studying categories in either interleaved or blocked fashion can be beneficial for inductive learning. These conflicting results can be explained by considering that different category structures benefit differentially from blocked or interleaved study (Carvalho & Goldstone, 2013). However, memory-based theories have(More)
The purpose of this paper is fourfold: First, to confirm the rarity of melanotic meningioma, as we have found only 11 reported cases; second to demonstrate that this tumor is not always totally pigmented, a fact that has not been mentioned before; third, to show an unusual recurrence as a hemorrhagic cystic meningioma 10 years and 8 months after removal;(More)
BACKGROUND Liver resection is considered the best treatment for metastatic colorectal cancer. Several prognostic factors have been investigated, and many studies have shown that hepatic hilum lymph nodes involvement has a negative impact on prognosis. The present study evaluated the frequency of microscopic involvement of hilar lymph nodes, through(More)
Order effects in category learning have been previously demonstrated. Specifically, alternation between exemplars of two categories has been shown to improve category learning and discrimination, compared to presenting exemplars of each category in separate blocks. However, the mechanisms underlying order effects are still not completely known. Remaining(More)
Research in inductive category learning has demonstrated that interleaving exemplars of categories results in better performance than presenting each category in a separate block. Two experiments indicate that the advantage of interleaved over blocked presentation is modulated by the structure of the categories being presented. More specifically,(More)
As the Internet expands both in number of hosts connected and in terms of the number of services provided, security has become a key issue for the technology developers. This work presents and analyses a prototype of an intrusion detection system. This system, positioned at key points of the network, will keep looking at the passing packets, in search of(More)
Subjects learned to classify images of rocks into the categories igneous, metamorphic, and sedimentary. In accord with the real-world structure of these categories, the to-be-classified rocks in the experiments had a dispersed similarity structure. Our central hypothesis was that learning of these complex categories would be improved through observational(More)