Researchers at Concordia University and the Centre for Research in Human Development may have resolved the cortisol paradox. In a groundbreaking study published in the journal Hormones and Behavior, they link cortisol levels not simply to behavior problems, but to the length of time individuals have experienced behavior problems.
In the first investigation of the nature of true and false remorse, Leanne ten Brinke and colleagues, from the Centre for the Advancement of Psychology and Law (CAPSL), University of British Columbia and Memorial University of Newfoundland in Canada, show that those who fake remorse show a greater range of emotional expressions and swing from one emotion to another very quickly – a phenomenon referred to as emotional turbulence – as well as speak with more hesitation.
The country where you live can have a big impact on your life. A new study of people from 128 countries finds that the more satisfied people are with their country, the better they feel about their lives—especially people who have low incomes or live in relatively poor countries.
Using a unique and relatively simple cell-based fluorescent assay they developed, scientists with the U.S. Department of Energy (DOE)’s Lawrence Berkeley National Laboratory (Berkeley Lab) and the University of California (UC), Berkeley have identified a means by which fluoxetine, the active ingredient in Prozac, suppresses the activity of the TREK1 potassium channel.
It’s a common problem in the business world—throwing good money after bad. People cling to bad investments, hoping that more time, effort, and money will rescue their turkey of a project. A new study published in Psychological Science, a journal of the Association for Psychological Science, finds that changing people’s mindsets can make them more likely to abandon a failing investment.
A study, published in the last 2010 issue of Psychotherapy and Psychosomatics by a group of researchers of the University of Torino (Italy), has explored the personality correlates and psychiatric symptoms of bed breath.
While experts often view aggressive behavior as a maladjusted reaction typical of social outcasts, a new study in the February issue of the American Sociological Review finds that it’s actually popular adolescents—but not the most popular ones—who are particularly likely to torment their peers.
A study based on research on deaf people in Nicaragua who never learned formal sign language showed that people who communicate using self-developed gestures, called homesigns, were unable to comprehend the value of numbers greater than three because they had not learned a language containing symbols used for counting.
Genes linked to the immune system can affect healthy people’s personality traits as well as the risk of developing mental illness and suicidal behaviour, reveals a thesis from the University of Gothenburg, Sweden.
A warning issued by the Food and Drug Administration regarding the use of atypical antipsychotics for the treatment of dementia was associated with a significant decline in the use of these medications for treating dementia symptoms in elderly patients, according to a report in the February issue of Archives of General Psychiatry, one of the JAMA/Archives journals.
Men and women who have had contact with the criminal justice system—even if they have never received a jail or prison sentence or a guilty verdict—appear to have a significantly higher rate of suicide than the general population, according to a report posted online today that will appear in the June print issue of Archives of General Psychiatry, one of the JAMA/Archives journals.
A digital signal processing technique long used by statisticians to analyze data is helping Houston scientists understand the roots of memory and learning, Alzheimer’s and Parkinson’s diseases and stroke.