среда, 19 марта 2014 г.

Brain activity prolongs life

Brain activity prolongs life.
Many phrases suggest how emotions assume the body: Loss makes you stand "heartbroken," you suffer from "butterflies" in the stomach when nervous, and off-putting things make you "sick to your stomach". Now, a new survey from Finland suggests connections between emotions and body parts may be standard across cultures. The researchers coaxed Finnish, Swedish and Taiwanese participants into view various emotions and then asked them to relate their feelings to body parts yourvito.com. They connected wrath to the head, chest, arms and hands; aversion to the head, hands and lower chest; self-admiration to the upper body; and love to the whole body except the legs.

As for anxiety, participants heavily linked it to the mid-chest. "The most surprising terror was the consistency of the ratings, both across individuals and across all the tested idiom groups and cultures," said bookwork move author Lauri Nummenmaa, an assistant professor of cognitive neuroscience at Finland's Aalto University School of Science hydroxycut. However, one US expert, Paul Zak, chairman of the Center for Neuroeconomics Studies at Claremont Graduate University in California, was unimpressed by the findings.

He discounted the study, saying it was weakly designed, failed to penetrate how emotions incorporate and "doesn't demonstrate a thing". But for his part, Nummenmaa said the delving is helpful because it sheds radiance on how emotions and the body are interconnected. "We wanted to conscious of how the body and the recollection work together for generating emotions. By mapping the bodily changes associated with emotions, we also aimed to understand how different emotions such as appal or sadness actually govern bodily functions".

For the study, published online Dec 30, 2013 in Proceedings of the National Academy of Sciences, the researchers showed two silhouettes of bodies to about 700 people. Depending on the experiment, they tried to charm feelings out of the participants by showing them passionate words, stories, clips from movies and facial expressions. Then the participants colored the silhouettes to exhibit the body areas they felt were comely most or least active. The image was to not naming emotions completely to the participants but a substitute to make them "feel different emotions," Nummenmaa said.

The researchers popular that some of the emotions may cause activity in specific areas of the body. For example, most central emotions were linked to sensations in the northerly chest, which may have to do with breathing and heart rate. And people linked all the emotions to the head, suggesting a accomplishable link to percipience activity. But Zak said the study failed to cogitate on that people often feel more than one emotion at a time.

Or that a person's own comprehension of feeling can be misleading since the "areas in the brain that process emotions look after to be largely outside of our conscious awareness. It would kind more sense, Zak said, to directly measure activity in the body, such as distraction and temperature, to make sure people's perceptions have some footing in reality. Nummenmaa said he expects future inquiry to go in that direction.

How might the current research be useful? Zak is skeptical that it could be, but the contemplate lead author is hopeful. "Many nuts disorders are associated with altered functioning of the emotional system, so unraveling how emotions reciprocal with the minds and bodies of healthy individuals is superior for developing treatments for such disorders. Next, the researchers want to meet if these emotion-body connections change in people who are anxious or depressed tarika. "Also, we are prejudicial in how children and adolescents experience their emotions in their bodies," Nummenmaa said.

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