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Saturday 31 October 2009

What You See Is Not Always What You Do

This is interesting.

ScienceDaily reported  findings of a Dutch researcher' Hemke van Doorn cooperation between two separate visual systems; namely the visual observation system and the other that takes care of the movement. Read more here



Sunday 25 October 2009

Make an Error and Remember Longer

People remember things better, longer, if they are given very challenging tests on the material, tests at which they are bound to fail.

Research by Nate Kornell, Matthew Hays and Robert Bjork at U.C.L.A. that recently appeared in the Journal of Experimental Psychology: Learning, Memory and Cognition reveals at  have found this not too surprising finding.  We all know that if we have a made a mistake about something, more often than not we tend to remember the correct answer longer. This is because we attach an emotional value to the incident.



Sunday 18 October 2009

Another Reason to smile

Psychologists at the University of Cardiff in Wales found that people whose ability to frown is comp­romised by cosmetic botox inject­ions are happier, on average, than people who can frown. psychologists at the University of Cardiff in Wales found that people whose ability to frown is comp­romised by cosmetic botox inject­ions are happier, on average, than people who can frown.

“It would appear that the way we feel emotions isn’t just restricted to our brain—there are parts of our bodies that help and reinforce the feelings we’re having,” says Michael Lewis, a co-author of the study. “It’s like a feedback loop.” In a related study from March, scientists at the Technical University of Munich in Germany scanned botox recipients with fMRI machines while asking them to mimic angry faces. They found that the botox subjects had much lower activity in the brain circuits involved in emotional processing and responses—in the amygdala, hypothal­amus and parts of the brain stem—as compared with con­trols who had not received treatment.

The concept works the opposite way, too—enhancing emotions rather than suppressing them. People who frown during an unpleasant procedure report feeling more pain than those who do not, according to a study published in May 2008 in the Journal of Pain. Researchers applied heat to the forearms of 29 participants, who were asked to either make unhappy, neutral or relaxed faces during the procedure. Those who exhibited negative expressions reported being in more pain than the other two groups. Lewis, who was not involved in that study, says he plans to study the effect that botox injections have on pain perception. “It’s possible that people may feel less pain if they’re unable to express it,” he says.

Source: The Scientific American