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'Warrior gene' predicts aggressive behavior after provocation

Researchers discover that individuals with low-activity MAOA gene display higher levels of aggression in response to provocation, particularly when faced with significant financial loss. The study suggests genetic influences on aggression and punishment behavior, questioning the altruistic punisher theory.

SourceBrown University·JournalProceedings of the National Academy of Sciences·DateJan 19, 2009

Women prefer prestige over dominance in mates

A study published in Personal Relationships reveals that women prioritize men who are recognized by peers for their skills and achievements, rather than those who use coercive tactics to subordinate rivals. In long-term relationships, women's preferences for prestige increase, contradicting common dating advice.

SourceWiley·JournalPersonal Relationships·DateDec 17, 2008

Boy-girl bullying in middle grades more common than previously thought

Research by Philip Rodkin reveals that unpopular boys are more likely to bully popular girls, challenging the classic 'whipping boy' syndrome. The study found that both bullies and victims are highly disliked by their peers, highlighting the need for educators to take reports of harassment from popular girls seriously.

SourceUniversity of Illinois at Urbana-Champaign, News Bureau·JournalInternational Journal of Behavioral Development·DateDec 9, 2008

Bullies may enjoy seeing others in pain

Research using brain scans at the University of Chicago found that aggressive youth activated neural circuits underpinning pain processing when watching pain inflicted on others. The study suggests some aggressive youths' natural empathetic impulse may be disrupted, increasing aggression.

SourceUniversity of Chicago·JournalBiological Psychology·DateNov 7, 2008

Understanding the cycle of violence

Researchers found that children who grow up in aggressive households learn to process social information differently, leading to a higher likelihood of conflict in their own romantic relationships. The study provides insight into the developmental link between childhood exposure and adult aggression.

SourceIndiana University·JournalJournal of Family Psychology·DateSep 24, 2008

Study: verbal aggression may affect children's behavior

A new study by Purdue University researchers found that mothers who use verbally aggressive language with their children tend to direct them less and more negatively. The study, which observed 40 mothers playing with their children aged 3-8, revealed that verbally aggressive mothers were less cooperative and undermined their child's se...

SourcePurdue University·JournalHuman Communication Research·DateAug 4, 2008

New research explores role of serotonin

Researchers at the University of Cambridge found that low serotonin levels are associated with increased impulsivity, particularly during social interactions. The study suggests that boosting serotonin levels through diet or therapy may help alleviate symptoms of depression, OCD, and anxiety disorders.

SourceUniversity of Cambridge·JournalScience·DateJun 5, 2008

Video games and violence

A recent study by Patrick Kierkegaard suggests that there is limited scientific evidence linking video games to real-world aggression. In fact, research shows that violent video games have not led to an increase in violence but rather may have reduced it. The study's findings contradict previous work on the topic and highlight the need...

SourceInderscience Publishers·JournalInternational Journal of Liability and Scientific Enquiry·DateMay 14, 2008

Sports machismo may be cue to male teen violence

A Penn State study found that male teenage football players and wrestlers are more likely to get into serious fights compared to non-athletes. The study suggests that the aggressive behavior encouraged by team sports contributes to violence among male peers.

SourcePenn State·JournalAmerican Sociological Review·DateJan 23, 2008

The end of barroom brawls

Researchers found that alcohol can both increase and decrease aggression depending on where attention is focused. Drunk individuals were less aggressive when their attention was divided between tasks, while sober individuals exhibited low-level aggression due to natural attention towards provocations.

SourceAssociation for Psychological Science·JournalPsychological Science·DateJul 18, 2007

Thinking straight while seeing red?

Research found that anger can increase participants' analytical thinking, yet is often driven by mental shortcuts. The study suggests that angry individuals can process information analytically, but are influenced by cognitive biases.

SourceSAGE·JournalPersonality and Social Psychology Bulletin·DateMay 31, 2007

High pretreatment PSA velocity predicts worse outcome

A study found that men with a high rate of increase in prostate-specific antigen (PSA) levels before treatment have a higher risk of death from prostate cancer. Elevated PSA velocity was a stronger predictor of poor prognosis than other single indicators, such as biopsy Gleason scores or advanced disease categories.

SourceWiley·JournalCancer·DateMay 25, 2007

Psychological bullying hits just as hard

A study found that adolescents experiencing relational aggression perceive their schools as less safe and have a lower quality social atmosphere. Relational aggression is linked to increased carrying of weapons among boys but not girls.

SourceSpringer·JournalJournal of Youth and Adolescence·DateMay 23, 2007

How does day length affect aggression in mice? It's in the genes

A new study at Ohio State University found that estrogens increase aggression in mice during short days and decrease it during long days. The researchers identified the mechanisms underlying this interaction, revealing a genomic pathway for estrogen's effects in long-day mice and a different cellular mechanism for short-day mice.

SourceOhio State University·JournalProceedings of the National Academy of Sciences·DateMay 21, 2007

Study finds school environment can moderate student aggression

A large-scale study found that school environment plays a significant role in modulating student aggression. Supportive decision-making and cultural sensitivity training have been shown to reduce aggressive behavior, suggesting that schools can impact students' aggressive tendencies. The study's findings highlight the importance of cre...

These legs were made for fighting

Human ancestors used short legs to gain a fighting advantage, helping males compete for females. The study analyzed nine primate species and found that shorter legs correlated with higher aggression indicators, including body weight and canine tooth size ratios.

SourceUniversity of Utah·JournalEvolution·DateMar 11, 2007

When God sanctions killing, the people listen

Research suggests that scriptural violence sanctioned by God can increase aggression in believers. A study found that participants who read a parable with violent content were more aggressive, regardless of their religious affiliation. The results imply that exposure to violent scriptures may contribute to the origins of violent religi...

SourceAssociation for Psychological Science·JournalPsychological Science·DateFeb 23, 2007