Frequently large knowledge bases are represented by graphs. Many visualization tools allow users or other applications to interact with and adjust the layouts of these graphs. One layout adjustment problem is that of showing more detail without eliding parts of the graph. Approaches based on a sheye lens paradigm seem well suited to this task. However, many of these techniques are non-trivial t...

Stress is unavoidable but how much stress is safer and how men and women react to the same type and intensity of stress is a never ending debate. The present study is designed on this basis. The effect of mental stress with and without harassment in age matched males and females (15 each) on the cardiovascular parameters viz systolic blood pressure (SBP), diastolic blood pressure (DBP), mean ar...

Visual mental imagery is a process that draws on different cognitive abilities and is affected by the contents of mental images. Several studies have demonstrated that different brain areas subtend the mental imagery of navigational and non-navigational contents. Here, we set out to determine whether there are distinct representations for navigational and geographical images. Specifically, we u...

An epochal opportunity to elucidate the pathogenic mechanisms of psychiatric disorders has emerged from advances in genomic technology, new computational tools and the growth of international consortia committed to data sharing. The resulting large-scale, unbiased genetic studies have begun to yield new biological insights and with them the hope that a half century of stasis in psychiatric ther...

The objective of this descriptive study was to map mental health research in Brazil, providing an overview of infrastructure, financing and policies mental health research. As part of the Atlas-Research Project, a WHO initiative to map mental health research in selected low and middle-income countries, this study was carried out between 1998 and 2002. Data collection strategies included evaluat...

Novice participants were given a schematic map of a multilevel building and performed a series of wayfinding tasks. Consistent with previous research, we found a mix of wayfinding strategies adopted by participants. Further analysis showed that participants incrementally developed and used mental representations of the building by integrating perceptual cues and memories of visited locations wi...

Concept maps, visual representations of knowledge, are used in an educational context as a way to represent students’ knowledge, and identify mental models of students; however there is a limitation of using concept mapping due to its difficulty to evaluate the concept maps. A concept map has a complex structure which is composed of concepts and their relationships that often have a weighted di...