Neuropathic pain is often "spontaneous" or "stimulus-independent." Such pain may result from spontaneous discharge in primary afferent nociceptors in injured peripheral nerves. However, whether axotomized primary afferent nociceptors give rise to pain is unclear. The rostral anterior cingulate cortex (rACC) mediates the negative affective component of inflammatory pain. Whether the rACC integra...

This study investigated the frequency of college students' procrastination on academic tasks and the reasons for procrastination behavior. A high percentage of students reported problems with procrastination on several specific academic tasks. Self-reported procrastination was positively correlated with the number of self-paced quizzes students took late in the semester and with participation i...

Cognitive elements play a key role in dental anxiety. Nevertheless, relatively little is known about how dental treatments and frequency of visits to the dentist are related to dental fear and its cognitive antecedents. This study aimed to explore the relationships between dental visits, past treatment experiences, expectations on the aversiveness/probability of negative dental events, and dent...

The role of sensation seeking in the realm of enjoyment of humour was investigated. It was hypothesized that the personality trait sensation seeking (SS) is able to predict both, the structure and content of jokes and cartoons. Seven hypotheses were derived and tested for four samples comprising a total of 448 Ss. The hypotheses were related to both components in appreciation of humour, funnine...

road traffic accidents (rta) are one of the most important causes of death and disability all over the world. in developing countries the problem is more complicated. based on the estimation by unicef, rate of rta in iran is 20 times more than world’s average. in iran among all unintentional fatal injuries inflicted on children under five, traffic related fatalities are the leading cause of dea...

This study tested a model of the development of incongruity-resolution and nonsense humor during adulthood. Subjects were 4,292 14- to 66-year-old Germans. Twenty jokes and cartoons representing structure-based humor categories of incongruity resolution and nonsense were rated for funniness and aversiveness. Humor structure preferences were also assessed with a direct comparison task. The resul...