Content based video retrieval systems are not complete in semantic sense. To improve the efficiency and the effectiveness of the retrieval system the content based retrieval systems must be equipped with the semantic based retrieval. In view of end users retrieval demands, content based or concept based retrieval systems will not be complete without context details. A video object that is separ...

After extinction of fear to a Pavlovian conditional stimulus (CS), contextual stimuli come to regulate the expression of fear to that CS. There is growing evidence that the context dependence of memory retrieval after extinction involves the hippocampus. In the present experiment, we examine whether hippocampal involvement in memory retrieval after extinction is related to the history of CS pre...

An effective approach for 3D model retrieval is to represent models by a set of projection views . In this paper, we propose a flexible framework for view-based 3D model retrieval. The framework provides users the ability to configure three components: the number of views, the type of views, and the 2D shape descriptors used to distinguish views. Because the three components are closely related...

Immediate postretrieval bilateral blockade of long-acting voltage-dependent calcium channels (L-VDCCs), but not of glutamatergic NMDA receptors, in the dorsal CA1 region of the hippocampus hinders retention of long-term spatial memory in the Morris water maze. Immediate postretrieval bilateral inhibition of calcium/calmodulin-dependent protein kinase (CaMK) II in dorsal CA1 does not affect rete...

Spanish-English bilinguals were taught academic-type information about History, Biology, Chemistry and Mythology in their two languages. Upon testing, it was found that memory was more accurate and retrieval was faster when the language of retrieval and the language of encoding matched than when they did not match. For accuracy, the pattern of results was influenced by bilinguals’ language prof...

The modified state dependent retention (MSDR) theory of retrograde amnesia (RA) proposes that the forgetting associated with RA is due to retrieval failure brought about by state dependent memory loss, which is forgetting that occurs when memory recall is attempted in a pharmacological state that differs from the encoding state. In a novel test of the MSDR theory, the current study attempted to...

Recently, due to proliferation of mobile devices, we can collect users’ life-log. Human long-term memory is an interconnected network. The retrieval system of it is cue-dependent. Semantic networks are used to implement it of human retrieval system. It is possible to retrieve relevant data more effectively by using a search system based on network visualization which provides relations among da...

A major problem in information retrieval is the difficulty to define the information needs of user and on the other hand, when user offers your query there is a vast amount of information to retrieval. Different methods , therefore, have been suggested for query expansion which concerned with reconfiguring of query by increasing efficiency and improving the criterion accuracy in the information...

Research on normal aging often shows a general slowing in processing speed that has been interpreted to reflect declining cognitive abilities. Here, we challenge this assumption and disentangle age-related alterations in automatic (less attention-dependent) and controlled (attention-dependent) word retrieval in semantic memory. Therefore, an automatic semantic priming paradigm was conducted. Tw...

Case-based Reasoning (CBR), and more specifically casebased retrieval, is recently being recognized as a valuable decision support methodology in “time dependent” medical domains, i.e. in all domains in which the observed phenomenon dynamics have to be dealt with. However, adopting CBR in these applications is non trivial, since the need for describing the process dynamics impacts both on case ...