ScienceDaily: Living Well News

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• Researchers investigate aggression among kindergartners
• Hearing brains are 'deaf' to disappearance of sounds, study reveals
• The GOP has a feminine face, study finds
• Learning to overcome fear is difficult for teens
• Smoking in movies increases in 2011, reverses five years of progress
• Evolutionary psychologists study the purpose of punishment and reputation
• Viewing gender-specific objects influences perception of gender identity

Researchers investigate aggression among kindergartners Posted: 27 Sep 2012 02:49 PM PDT Not all aggressive children are aggressive for the same reasons, according to researchers, who found that some kindergartners who are aggressive show low verbal abilities while others are more easily physiologically aroused. The findings suggest that different types of treatments may be needed to help kids with different underlying causes for problem behavior.

Hearing brains are 'deaf' to disappearance of sounds, study reveals Posted: 27 Sep 2012 02:47 PM PDT Our brains are better at hearing new and approaching sounds than detecting when a sound disappears, according to a new study. The findings could explain why parents often fail to notice the sudden quiet from the playroom that usually accompanies the onset of mischief.

The GOP has a feminine face, study finds Posted: 27 Sep 2012 10:09 AM PDT Female politicians with stereotypically feminine facial features are more likely to be Republican than Democrat, and the correlation increases the more conservative the lawmaker's voting record, find two researchers who looked at facial features among members of the U.S. House of Representatives. The findings raise questions about the extent to which constituents and party elites select women candidates on the basis of physical attributes that convey such values as traditional sex roles.

Learning to overcome fear is difficult for teens Posted: 27 Sep 2012 10:06 AM PDT A new study shows that adolescents' reactions to threat remain high even when the danger is no longer present. According to researchers, once a teenager's brain is triggered by a threat, the ability to suppress an emotional response to the threat is diminished which may explain the peak in anxiety and stress-related disorders during this developmental period.

Smoking in movies increases in 2011, reverses five years of progress Posted: 27 Sep 2012 09:36 AM PDT Top box office films last year showed more onscreen smoking than the prior year, reversing five years of steady progress in reducing tobacco imagery in movies, according to a new study.

Evolutionary psychologists study the purpose of punishment and reputation Posted: 27 Sep 2012 06:21 AM PDT For two decades, evolutionary scientists have been locked in a debate over the evolved functions of three distinctive human behaviors: the great readiness we show for cooperating with new people, the strong interest we have in tracking others' reputations regarding how well they treat others, and the occasional interest we have in punishing people for selfishly mistreating others.

Viewing gender-specific objects influences perception of gender identity Posted: 26 Sep 2012 06:39 PM PDT Spending too much time looking at high heels may influence how a viewer perceives the gender of an androgynous face, according to new research.

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