Articles tagged with Human Aggression
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.
A new study of intergroup aggression in chimpanzees and bonobos finds that lethal aggression is an adaptive strategy, not a result of human impacts. Analysis of 152 lethal attacks reveals that killing other group members is part of the natural behavioral repertoire of chimpanzees.
A study of chimpanzee aggression over five decades found that killings are not a result of human activities, but rather an adaptive tactic to eliminate rivals. The research provides strong support for the view that killing is an evolved behavior, increasing access to resources and improving survival rates.
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.
A large cohort analysis found a significant link between male pattern baldness and aggressive prostate cancer. Men with specific hair loss patterns at age 45 were at a 40% increased risk of developing aggressive prostate cancer. The study supports earlier research suggesting a biological link between baldness and prostate cancer.
A new study found that watching violent images causes different brain activity in people with and without aggressive traits. Participants with aggressive tendencies had less brain activity in the orbitofrontal cortex while watching violent movies, but increased blood pressure.
A new study published in Biological Psychiatry found that testosterone increases the brain's reactivity to threat cues in healthy men. The study used a novel two-step pharmacological challenge paradigm and found that testosterone increased activity in brain structures involved in threat processing and aggressive behavior.
A nationwide study involving over 5,000 teenagers found that playing mature-rated video games associated with increased deviant behaviors, including alcohol use and smoking cigarettes. The researchers suggest changes in personality, attitudes, and values contribute to the findings.
Prostate cancer in younger men is more frequent and aggressive, with tumors growing quickly. Genetic mutations are a key factor in these cases, which may require increased surveillance or counseling.
Researchers propose that human faces developed robust features to protect against facial injuries during hand-to-hand combat, challenging the long-held hypothesis that these traits arose from eating hard foods. The study's findings support the idea that violence played a significant role in shaping human evolution.
Researchers found that exposure to alcohol-related words increased aggressive behaviour following provocation when it was ambiguous or not clear-cut. The effects of alcohol priming are short-lived, diminishing after seven minutes and disappearing after 15 minutes.
The clinical validation study showed ProMark correctly identified low-risk disease with a sensitivity of 90% or better. The test provided additional independent prediction relative to standard risk-stratification systems, improving personalized treatment decisions for prostate cancer patients.
Researchers found that exposure to alcohol-related words makes aggressive thoughts more accessible, prompting an aggressive response in ambiguous situations. The effect of alcohol-word priming on aggressive behavior is relatively short-lived, lasting around 7-15 minutes.
A study by UCLA researchers found that treating older men with early-stage prostate cancer who also have other serious underlying health problems with aggressive therapies does not help them live longer. In fact, it can be detrimental and result in additional health issues such as impotence, urinary incontinence, and bowel problems.
Research demonstrates a clear link between screen violence and increased aggression in real life, highlighting the importance of minimizing exposure to violent media. Leading pediatricians and researchers will discuss ways to address public health implications of media violence at the Pediatric Academic Societies Annual Meeting.
A new study from Northwestern Medicine and the University of Illinois at Chicago finds that vitamin D deficiency is a predictor of aggressive forms of prostate cancer diagnosis in African-American and European-American men. Regular screenings for vitamin D deficiency could be crucial to prevent advanced tumor progression.
A new study found that lower levels of blood glucose in married individuals predict increased anger and aggression towards their spouse. Participants who had lower evening blood glucose levels were willing to deliver louder and longer noise blasts at their spouse, even after controlling for relationship satisfaction.
A new study reveals that feelings of failure and frustration during video game play are the primary causes of aggression, not violent content. The research found that players' experiences of mastering a game's controls and degree of difficulty led to frustration and hostility.
A study published in Psychological Science found that children who participated in the Fast Track program showed reduced aggression later in life. The researchers believe that the program's success may be linked to changes in testosterone reactivity to social threats.
A study found that popular students are more likely to be bullied and experience severe consequences, including depression, anxiety, and social isolation. Meanwhile, girls who date are at increased risk of physical violence, highlighting the complexities of social dynamics in bullying cases.
A study by Iowa State University researchers found that children who play violent video games develop aggressive thought patterns that last long-term. The effects are consistent across age, gender, and culture, with repeated practice of aggression leading to increased real-life aggression.
Habitual violent gaming is associated with long-term aggressive behavior in children, as measured by self-reported aggression and aggressive cognition. The study suggests that empathy does not mediate the effects of violent gaming on aggression.
Research suggests shame is a destructive emotion that hinders social connections. Professor Thomas Scheff argues that shame can manifest in larger conflicts like wars due to the reaction to it being hidden behind rationality. A good laugh is suggested as a way to resolve hidden shame, according to Scheff.
Experts warn that scrapping the alcohol duty escalator would lead to more affordable drinks, increasing alcohol-related deaths and hospital admissions. The UK is facing over 8,700 alcohol-related deaths annually, with £21 billion cost to society.
A national study of Taiwanese youth found that adolescents who start having sex at a young age tend to exhibit externalizing problems like rule-breaking and aggressive behavior. This is especially true for females and those with same-sex partners.
A study found that 90% of bar aggression involves male initiators and female targets, often due to intoxication levels of the target rather than the aggressor. The findings suggest a culture where intoxicated women are perceived as easier or more blameworthy targets.
A new study from the University of Toronto Scarborough finds that human emotion is felt more intensely under bright light, affecting decision-making. Participants rated stimuli under different lighting conditions, showing a preference for brighter lights to amplify positive and negative emotions.
Researchers found that aggression genes control dominance in wasps, while also being linked to fighting behaviors in bees, fruit flies, and mice. External environment plays a crucial role in shaping gene expression, suggesting a stronger influence of nature over nurture.
A recent study published in Psychological Science found that women are drawn to men with wider faces, which is associated with increased dominance. The researchers studied speed-dating events and found that women were more likely to choose men with higher facial width-to-height ratio (fWHR) for short-term relationships.
Studies conducted by University of Tennessee researchers found a strong link between alcohol consumption and increased risk of physical, psychological, and sexual abuse in intimate partner relationships. In contrast, marijuana use was not associated with an increased risk of violence. The findings suggest that domestic violence prevent...
A new study published in Psychological Medicine found that toddlers' physical aggression is strongly associated with genetic factors, accounting for most of the stability and change. The study used a twin cohort design to investigate the role of genetics and environment in early childhood aggression, finding support for the genetic mat...
A team of researchers from Caltech identified specific brain cells in male fruit flies that release a hormone promoting aggression. These findings suggest that aggression is genetically controlled and may be linked to personality disorders in humans. The study validates the use of fruit flies as a model for studying human aggression.
Researchers found that people, especially men, tend to perceive risk-seekers as taller and stronger than cautious individuals. The study used fictional characters and real-life scenarios to demonstrate this phenomenon.
A new Ohio State University study found that a combination of two ADHD medications, along with parent training, significantly reduced aggressive behavior in children. The treatment approach showed promise in addressing physical aggression and disruptive behavior in children aged 6-12 with ADHD.
People with IED have elevated levels of systemic inflammation markers in their blood, which correlates with aggression and impulsivity. Anti-inflammatories like Celebrex may help reduce aggression in those with the condition.
Research at Ohio State University found that teenagers who played violent video games ate more chocolate, stole raffle tickets, and showed less self-control. Teens with high moral disengagement were most likely to engage in these behaviors.
Researchers have identified large oncosomes as a potential indicator of patients with more aggressive, treatment-resistant disease. The study also found that microRNA in these vesicles can influence tumor progression.
A study published in the Journal of Consumer Research found that customers become emotionally attached to commercial spaces, leading to increased loyalty and commitment. This attachment is driven by factors such as authentic decor, high product quality, and a sense of security.
A NIH-funded study found that a therapy combining medication and lifestyle changes is more effective than surgically implanted stents at preventing recurrent stroke. The novel approach resulted in lower stroke rates and improved blood pressure and lipid levels among participants.
A study in Journal of Consumer Research found that consumers develop strong emotional attachments to commercial spaces when they experience familiarity, authenticity, and security. This attachment leads to loyalty and willingness to make sacrifices to support their favorite businesses.
Studies published in PLOS ONE reveal epigenetic changes in boys with chronic aggressive behavior, related to the prenatal environment and self-control genes. The research suggests that these changes may be reversed through preventive intervention from an early age.
Researchers found that individuals behave more selfishly when interacting with men with wider faces, leading to a social feedback loop. The study's findings suggest that people may need to reconsider how they use power and make helpful decisions.
A study found that sleep apnea severity can independently predict melanoma aggressiveness, with more severe cases showing faster tumor growth and deeper invasion. Researchers hope this link may lead to new therapeutic possibilities for people with both conditions.
Researchers identified a protein that correlates with breast cancer aggressiveness and may predict prognosis; small molecule inhibitors could be developed as therapeutic drugs for breast cancer treatment.
Researchers found a slight calming effect of violent video games on youths with attention deficit symptoms, reducing aggressive behavior. The study challenges the popular belief that violent video games increase aggression in vulnerable youth.
A new study published in The Journal of Pediatrics found that soft drink consumption in young children is associated with increased aggressive behavior, attention problems, and withdrawal symptoms. Children who consumed four or more servings per day were nearly twice as likely to exhibit these behaviors.
A new study finds that soft drink consumption is associated with aggressive behavior, attention problems, and withdrawal behavior in young children. Approximately 43% of the children consumed at least 1 serving of soft drinks per day, and those who drank 4 or more were more than twice as likely to engage in problem behaviors.
Research suggests that children who overestimate their social connections are less aggressive, as they perceive a lower risk of being judged by peers. In contrast, students who underestimate or accurately assess their social standing tend to display more aggression.
A study of retired NFL players found no evidence to support the theory that they suffer from a unique cognitive disorder. The researchers discovered that players with possible cognitive impairment had patterns of impairments similar to non-athletes with mild cognitive impairment.
New research finds that playing violent video games boosts visual skills but impairs proactive executive control, leading to increased aggression. This reduction in impulse control is linked to increased attention problems and aggression.
Research finds bystanders intervene in about a third of bar fights, with most intervening in male-male conflicts. Nonviolent interventions were used in 65% of male-male fight breakups, while incidents between males and females received the lowest intervention rates.
Researchers found that female motivation to help offspring and attractiveness significantly influence the outcome of intersexual conflicts in wild bonobos. Attractive females are more likely to win conflicts against males, with males displaying reduced aggression during times of elevated fecundity.
A Johns Hopkins study of over 1,800 men aged 52-62 suggests that African-Americans with very-low-risk prostate cancers are more likely to have aggressive disease. The study found a higher rate of Gleason score upgrading and organ-confined cancers among black men, highlighting the need for race-specific surveillance entry criteria.
Researchers have identified genetic variants that can predict aggressive prostate cancers, enabling better treatment options for patients. The study's findings suggest a novel relationship between angiogenesis genes and prostate cancer aggressiveness.
A new study from the University of New Hampshire finds that sibling aggression is associated with significantly worse mental health in children and adolescents. The study analyzed data from a national sample of 3,599 children and found that even mild instances of sibling aggression can lead to increased mental health distress.
A new Case Western Reserve University study reveals that children exposed to domestic violence between ages 3-5 are more likely to exhibit aggressive behavior in school. The research found no behavioral differences among these children until they reached school age.
Researchers found that 10-month-old infants preferentially reach for the victim rather than the aggressor in an animated sequence test. This suggests that infants may exhibit rudimentary sympathy toward others in distress based on their evaluation of roles in interactions.
A new UConn study found that video game players are more likely to experience aggressive thoughts and words when battling human-like characters. The research suggests that exposure to violent games can lead to increased aggression, particularly when players perceive the opponents as human-like.
A recent study by Mayo Clinic researchers found that scheduled imaging studies are ineffective in detecting the relapse of diffuse large B-cell lymphoma. Only a handful of patients without symptoms were identified through scans, highlighting the need for individualized care approaches.