Articles tagged with Human Aggression
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Researchers found that hormone AVP increases willingness to cooperate in humans, mimicking pair bonding in rodents. The study used a game to test the effect of AVP on cooperative behavior, with participants who received the hormone more likely to cooperate than those who did not.
Researchers observed a female orangutan being killed by another female, with a male recruited as a hired gun. Female-female aggression is rare, and the case defies typical patterns of joint coalitional killings.
Researchers found that enslaved Formica ant colonies were more genetically and chemically diverse than their free-living counterparts. This diversity is likely caused by seasonal raids to steal pupae from adjacent host colonies, leading to changes in how the ants recognize nest mates.
Researchers found that female raft spiders test males before attacking, rather than being inherently aggressive. The study suggests factors like male size and age may play a role in determining aggression.
A new study found reduced grey matter volume in key brain areas of youths with behavioral problems, including the amygdala, insula, and prefrontal cortex. These regions are crucial for decision-making, empathic responses, and emotion regulation.
A UCLA study found that less than 5% of men with low-risk prostate cancer undergoing active surveillance receive regular monitoring, putting them at risk of cancer progression. The study suggests that patients and doctors should agree on a follow-up schedule to closely monitor the cancer.
A new CHOP study finds that teaching problem-solving skills and leadership opportunities to elementary school-aged African-American girls can lower relational aggression. The Friend to Friend program improved social problem-solving knowledge and decreased relational aggression in urban minority girls, with positive effects lasting at l...
A new IU study reveals that short winter days trigger aggression hormones differently in female hamsters compared to males. Melatonin acts directly on the adrenal glands in females to trigger a 'seasonal aggression switch', while in males, it works through the pituitary gland.
A new study by University of Notre Dame anthropologists found that aging U.S. men with emotionally supportive relationships have lower testosterone levels compared to their less supportive counterparts. This connection may help explain the link between social support and improved overall health.
A study found that people's mind's-eye images of an unknown black male are similar to those of an unknown white male convicted of assault. The researchers also discovered that size and status are linked in opposite ways depending on the assumed race, with larger characters perceived as lower in social influence and respect.
A study published in Sexual Medicine found that postcoital dysphoria affects 46% of women, leading to feelings of melancholy or depression. The study also revealed a relationship between negative emotions and potential evolutionary functions.
Researchers found that online e-cigarette vendors use sophisticated and aggressive marketing practices to promote their products, including social media engagement and promotional offers. The study highlights the potential of the Internet to encourage e-cigarette initiation and underage purchasing, despite laws in place to regulate onl...
A study published in the Journal of Interpersonal Violence found that men who buy sex have less empathy for women in prostitution and view them as intrinsically different from other women. This aligns with research on sexual aggression, which suggests a lower level of empathy among perpetrators.
Researchers found a correlation between gene variants and aggression in children, particularly those who react strongly to negative experiences. The study supports the 'differential susceptibility' theory, suggesting some individuals are more susceptible to environmental conditions partly due to their genotype.
A Norwegian study of nearly 1,000 children found that time spent in daycare had little impact on aggressive behavior. The longer children stayed in non-parental care, the smaller the effects became.
Researchers found that candidates with lower-pitched voices generally win elections, particularly against female opponents. However, the preference for leaders with lower voices also correlates with perceptions of strength and competence.
Researchers at the University of Pennsylvania found that sleep deprivation significantly reduces aggression in fruitflies, impairing their mating success. They also identified a molecular pathway involving octopamine signaling that governs recovery of aggressive behaviors.
New research explores Viking Age causes by focusing on spoils beyond portable wealth, highlighting exotic lure and tangible symbols of power. Individuals could build reputations through raiding, gaining social capital and intangible benefits.
Researchers study children's aggressive behavior from ages 3-5, exploring factors such as empathy, emotional regulation and social information processing. The three-year study aims to provide new insights into what drives children towards aggressive behaviors.
A new study by Duke University researchers found that children who are taught to be vigilant for hostility in others are more likely to exhibit aggressive behavior themselves. The four-year longitudinal study involved 1,299 children and their parents from 12 different cultural groups worldwide.
A two-hour emotional awareness course has been shown to significantly reduce the severity of crimes committed by juvenile offenders. The study found a 44% drop in crime severity six months after completion, suggesting that improving emotion recognition capabilities can lead to reduced aggression and instances of severe crime.
Research shows that Wolbachia-infected male fruit flies fight less aggressively than their uninfected peers. The infected flies took three times longer to initiate fights and started fewer battles, but their bouts lasted as long as those of uninfected counterparts.
A recent study found that statins can decrease aggression in men, while increasing it in postmenopausal women. The effects on testosterone and sleep levels also played a role in the observed changes.
A comprehensive review of over 40 years of research on bullying reveals its complex nature and negative impact on victims. The study suggests that bullying is a distinct form of interpersonal aggression, with long-term effects that can endure into adulthood.
Research reveals differences in humor and social behavior among three types of perfectionism, including narcissistic, antisocial, and uncaring personality characteristics. Self-oriented perfectionists show pro-social elements, while socially prescribed perfectionists exhibit low self-esteem and antisocial traits.
Research reveals significant disparities in attitudes towards intimacy partner violence among Latin American immigrants and Spaniards. Latin Americans perceive situations as less severe and blame victims more. However, both groups show positive change after intervention programmes, suggesting equal effectiveness.
A study by Durham University found that men wearing red are perceived as more aggressive and dominant than those in blue or grey. The results suggest that the colour red is a warning signal in nature and may influence social perceptions of dominance and aggression.
A study by Dr Christine Sprigg found that social support from managers and co-workers, as well as personal optimism, can mitigate the negative effects of witnessing workplace aggression on employees' psychological wellbeing. Co-worker support was particularly significant in limiting burnout from witnessing aggression.
A new study by Patricia Logan-Greene and Annette Semanchin Jones found that parents who chronically neglect their children are more likely to develop aggressive and delinquent tendencies in adolescence. The study suggests that improving social skills can help prevent these behaviors, particularly for boys.
A study of families participating in a clinical trial for children with severe physical aggression found high levels of parent satisfaction. The TOSCA study explored the effects of psychostimulant, parent training, and risperidone on child behavior and treatment outcomes.
A study from the University of Missouri found that violent video games do not affect adults with autism spectrum disorder differently than typically developing adults. Over 100 participants, half with autism and half without, showed similar aggression levels after playing violent or nonviolent games for 15 minutes.
A study published in JAMA Facial Plastic Surgery found that facial rejuvenation surgery can improve perceptions of likeability, social skills, attractiveness, and femininity in women. The study measured changes in personality perception after surgical procedures, including face-lifts and eyelid surgeries.
Researchers discovered that saccharin binds to and deactivates carbonic anhydrase IX, a protein found in some aggressive cancers. This finding opens up the potential to develop novel anti-cancer drugs derived from common condiments.
A series of University of Utah studies found that hostile-dominant personality styles are associated with increased vulnerability to cardiovascular disease, including higher blood pressure and severe atherosclerosis. In contrast, warm-dominant styles are linked to lower blood pressure and more support in marriages.
Research finds that work-family conflict leads to emotional exhaustion and verbal abuse at home and in the workplace. Having a supportive boss can mitigate this effect.
A new study found that monitoring calcitriol levels can predict cardiovascular death in chronic heart failure patients. The ratio of calcitriol to parathyroid hormone was also strongly related to heart failure severity and mortality.
A study of 31 years of data found that men scored higher in narcissism across multiple generations and age groups. The researchers also found that men are more likely to exhibit entitlement and assertiveness, but not vanity or self-absorption.
A UC Santa Barbara study finds that people systematically discount the competence of female entrepreneurs and investment-worthiness of their enterprises, but innovation mitigates this bias. Women-led businesses pitched innovative ideas are rated more competent and worthy of investment than non-innovative counterparts.
Research reveals an association between aggressive tendencies and increased physical strength in adolescent males, which may be linked to evolutionary pressures.
A recent study published in American Psychologist found that men and women share over 80% of the same psychological characteristics, including risk-taking, occupational stress, and morality. While there are some differences, these findings suggest that our similarities outweigh our differences.
Research by UC San Francisco scientists reveals that estrogen-producing neurons play a crucial role in regulating aggression in mice, affecting both male and female behavior. The study found that eliminating these neurons slowed response times to threats and reduced aggression in males, while females showed similar changes in maternal ...
Researchers found six resistive actions employed by both obedient and disobedient participants, with disobedients resisting earlier and using more diverse methods. Training in these practices could enable individuals to stand up to unethical orders, not just in extreme situations.
Researchers found an association between physical aggression and language development in toddlers, but the link disappeared after 41 months. Affectionate parenting is associated with low aggression levels and good language development.
A new study from the University of Georgia found that boys engage in relationally aggressive behavior more often than girls across all grade levels. The longitudinal study analyzed data from over 600 students and found that almost all of them had experienced relational aggression at least once.
Research by Ghita Mezzour and Kathleen Carley found that hacked emails tend to send spam more aggressively, reaching a larger audience faster. This is because malware-infected accounts generate spam automatically, whereas human-propagated spam is often done manually.
A recent study found that individuals who experienced intense verbal aggression as children are more resilient to conflict as adults. The researchers measured cortisol levels in saliva samples from 50 romantically involved couples and found a weakened physiological stress response for those with higher childhood exposure.
A new social sensing game created at Illinois detects bullying behavior and identifies classroom bullies more effectively than traditional research methods. The game analyzes students' interactions in real-time, revealing behaviors like private messages and negative nominations.
A systematic review found no significant difference in the prevalence of verbal abuse between men and women, suggesting that societal factors rather than gender play a role. Men are more at risk due to adopting protective attitudes towards women in female-dominated workplaces.
A study published in Current Biology found that aggressive chimpanzee males sire more offspring, suggesting sexual coercion is an adaptive strategy for males. Genetic evidence showed that high-ranking males who intimidate females when they are not swollen had more reproductive success.
A new study published in Current Biology by Feldblum et al. has found that male chimpanzee aggression towards females is an adaptive strategy, increasing mating frequency and paternal likelihood for high-ranking males. Genetic analysis of fecal material reveals long-term sexual coercion as a key factor in paternity.
A study found that midfielders and forwards with higher facial-width-to-height ratios were more likely to commit fouls and score goals. The research adds weight to the argument that facial structure is associated with aggression in athletic populations.
Researchers found eight genome regions that contributed to tameness and aggression, including genes involved in nervous system development. The study sheds light on the genetic basis of domestication and its impact on animal behavior.
A study by University at Buffalo researchers found that feelings of warmth and sympathy can lead to aggressive behaviors when caring for someone else is obstructed. Empathy and aggression are linked through neurohormones oxytocin and vasopressin, which drive social approach behaviors.
A new national study found that 66% of researchers, 67% of parents, and 90% of pediatricians agree that violent video games can increase aggressive behavior in children. The study also found a causal relationship between exposure to violent media and aggressive behavior.
A study by University of Akron researcher Jennifer Tehan Stanley found that young and middle-aged adults consider aggressive humor funny, whereas older adults do not. The study suggests our concept of what is funny may evolve over time as we age.
A study by Pruitt and Goodnight found that group-level adaptations, such as a critical ratio of two types of females, are potent evolutionary forces in nature. In spider colonies, docile and aggressive females adapt to specific locations, with the ratio shifting between survival-friendly and threat-prone conditions.
A 10-week group counseling and caregiver training intervention, GIRLSS, has been found to decrease relational aggression among middle school girls. The study, published in the Journal of Child and Family Studies, showed a reduction in 'mean girl' behaviors among participants.
Researchers explored connection between empathy, neurohormones and aggression. Empathy can motivate aggression on behalf of vulnerable others, even without provocation. Neurohormone gene variants, such as vasopressin and oxytocin, interact to predict aggression in these situations.
New research suggests that chimpanzee violence is driven by adaptive fitness benefits rather than human impacts. A majority of violent attackers and victims are male chimpanzees.
A longitudinal study by NYU Steinhardt School of Culture, Education, and Human Development found that exposure to parental verbal and physical aggression hurts children's emotional adjustment. Higher household chaos and poverty also take a toll on young children.