Articles tagged with Aggression
Researchers observed bonobos sharing meat across community borders for the first time, demonstrating cooperative behavior and social structure dominance by females. The study provides insights into how our last common ancestor may have acted when dividing food with others, shedding light on human origins.
Research on 555 sets of twins found that aggression in children is influenced by both genetics and the environment. At age 6, genetic factors contribute equally to proactive and reactive aggression, while environmental factors take over after age 12.
A new study reveals that ant colonies have unique personalities, with some being more aggressive than others. These differences are correlated with the health of the plants they inhabit, suggesting a complex relationship between colony behavior and host plant survival.
A VCU-led study found that individuals who exhibit sadistic tendencies are more likely to seek revenge against those who have wronged them. The research identified a multidimensional link between physical aggression, impulsivity, and aggressive pleasure in relation to revenge-seeking behavior.
A study found that male ring-tailed lemurs' stink-flirting displays may influence females in choosing a mate and could be an alternative mating strategy, despite being met with aggression and potential physical harm.
A two-week intervention program focusing on reducing risky behavior was found to be effective in reducing aggression and future incarceration rates among clinically aggressive juvenile offenders. The program, PHAT Life, taught youth to identify triggers for high-risk behavior and develop coping strategies.
Researchers found that abusive supervisors experience a sense of recovery from their behavior, which helps replenish mental energy and resources. However, this benefit is short-lived, lasting only a week or less, after which they start to experience decreased trust, support, and productivity from employees.
A new IUPUI study found that juveniles who perceive police injustice are more likely to engage in aggressive behavior, particularly those who justify immoral actions. Intervention programs addressing perceptions of police injustice and moral disengagement may help reduce aggression among youth involved in the juvenile justice system.
A new study published in Archives of Sexual Behavior found that men and women with square faces tend to have a stronger sex drive, are more likely to engage in casual sex, and report higher levels of sociosexuality. Researchers attribute these findings to variations in testosterone levels during puberty.
Researchers found that female mice brain structures organize sex and aggressive behavior differently, with separate cell groups controlling each. In contrast, male mice brain circuits overlap in controlling both behaviors, suggesting a fundamental difference in brain organization between sexes.
A new study by the University of Helsinki found that delaying weaning in cats until 14 weeks of age can significantly reduce behavioral problems. The research discovered that early weaning is linked to increased aggression and stereotypic behavior, suggesting a link between neurotransmitter changes and these behaviors.
Research by Jamie Whitehouse suggests that stress behaviours like scratching can be a sign of social stress, reducing the likelihood of conflict and promoting transparency. In rhesus macaques, stress scratching lowered aggression rates, especially among non-friends.
A new site in Australia has revealed up to 15 gloomy octopuses communicating and interacting with each other, challenging the idea that octopuses are solitary creatures. The discovery supports the notion that octopuses can congregate and socialize under certain conditions.
A recent study by University of the Basque Country researcher David Herrero found that risky behavior is a crucial predictor of accident-related events. The study, which analyzed data from over 400 drivers, also identified age and sex differences in aggressive driving behavior.
A study by FAU researchers found that men tend to be more aggressive than women in competitive situations, while team players exhibit less aggression. Cortisol levels also decreased in participants exhibiting aggressive behavior.
Researchers at the University of Tokyo have discovered how a male pheromone enhances female sexual behaviors in mice by activating specific neurons in the brain. The study found that a single purified chemical called ESP1 is detected by a sole corresponding receptor, making it easier to track and understand its effects on behavior.
Researchers at Northern Illinois University found a significant correlation between bullying and whining in teams, negatively affecting group dynamics. The 'poor-pitiful-me' routine can disrupt decision-making groups, while both behaviors should be considered aggressive tactics that can derail meetings and lead to suboptimal decisions.
Researchers found that engaging in risky behavior can lead to worse PTSD symptoms, prolonging stressful experiences and increasing the likelihood of new traumatic events. The study suggests that treatment providers should assess reckless behavior to prevent worsening PTSD symptoms.
Research reveals that mating stimulates aggression in female fruit flies, making them more intolerant of others and changing their behavior, including increased ovulation and rejection of male advances. The study's findings have implications for understanding female competition and potentially controlling pest insect populations.
Children's rejection is influenced by the interpretations of others rather than their behavior. A new study found that the reasons behind rejection often stem from the rejecters' perceptions, such as fear or mistrust.
Research by Dr Emma Davies and colleagues found that UK students who drink excessively often downplay their own bad behavior while overstating the negative aspects of other drinkers. The study surveyed 416 students across the UK, with males aged 21 and under being particularly prone to this misperception.
Researchers found that dominant banded mongooses target close female relatives for eviction due to their ability to resist, reducing competition for offspring. This behaviour is in contrast to expected social norms and highlights the importance of latent threats on social behavior.
A cross-cultural study confirms that media violence affects aggressive behavior globally, with violent media use positively related to aggression in all countries. The study also identifies exposure to media violence as a risk factor for heightened aggressive thinking and lowered empathy.
Scientists have discovered that specific cells in the brain's medial amygdala program innate reproductive and aggressive behaviors. The study found that male and female brains respond differently to mating cues, with distinct patterns of activation in neurons expressing different transcription factors.
Research from the University of Chicago Medical Center found that people with intermittent explosive disorder are five times more likely to develop substance abuse problems. Early psychological intervention and treatment can delay or prevent substance abuse in adolescents with IED.
A University of Utah study found that heel-down posture in great apes and humans is beneficial for fighting due to increased swinging force. This stance allows for more efficient application of rotational force, enabling physical competition to be costly and demanding peak performance from the musculoskeletal and cardiovascular system.
Researchers observed chimps abusing and cannibalizing Foudouko's body for nearly four hours after his death, contradicting traditional notions of grief. The study suggests competition for mates, power struggles, and isolation may contribute to such deadly behavior in chimpanzees.
Researchers at UC Riverside found that when teens view their parents' parenting tactics more negatively, they show elevated levels of aggressive behaviors. The study highlights the importance of adolescents' evaluation of their parents' responses to challenging behaviors.
Researchers at the University of Hawaii are using acoustics to understand and track the movement of the invasive Coconut Rhinoceros Beetle. By analyzing the beetle's chirp signatures, they hope to develop a new method for tracking and mitigating its impact on Hawaii's palm trees.
A new study found that children with disabilities are more likely to respond aggressively when bullied, leading to negative mental health outcomes. Teaching proper bully-response skills is crucial to prevent such aggressive behavior and improve psychosocial outcomes for these students.
A study by Indiana University researchers found that people are more likely to undermine their performance at stressful tasks when they're operating at 'peak capacity' based on their preferred time of the day. This behavior, known as self-handicapping, was more common among morning people in the morning and night owls in the evening.
A new study found that positive teacher-student relationships around age 10-11 can influence prosocial behaviors such as cooperation and altruism, reducing problem classroom behaviors like aggression. The beneficial effects lingered for up to four years.
A relational aggression prevention program for urban girls improves overall classroom climate, with benefits extending to boys and teachers. The program, Friend to Friend (F2F), teaches problem-solving, anger management strategies, and leadership skills.
Researchers found that older female bonobos form coalitions to attack and defeat aggressive males, helping younger females maintain social status. This coalition-forming behavior allows young females to join the group without fear of male harassment.
Activation of estrogen receptor alpha in brain region necessary for adult mice to express typical male social behaviors. Inhibition before puberty affects both sexual and aggressive behavior in adulthood.
A new study by AAA Foundation for Traffic Safety reveals that nearly 80% of drivers experience significant anger or aggression while driving. The research estimates that approximately eight million U.S. drivers engage in extreme examples of road rage, including physical confrontations with other drivers.
A study at Mount Sinai Hospital found that brain reward circuits, specifically the basal forebrain and lateral habenula, mediate motivation to engage in or avoid bullying. The research used a mouse model to demonstrate that activating this circuit makes bullying behavior pleasurable for some individuals.
A new study found that adolescents living in neighborhoods with more greenery have less aggressive behaviors. The researchers linked the adolescents' residential locations to satellite data, measuring the levels of greenery and associated it with reduced aggressive behaviors.
Researchers have developed a new model called CLASH that suggests hot climates with less seasonal variation lead to more aggression and violence. This is due to a faster life strategy, reduced focus on the future, and decreased self-control, resulting in quicker reactions and increased aggression.
A randomized control trial found that incorporating omega-3 supplements into the diets of children with extreme aggression can reduce this behavior in the short term, especially its impulsive and emotional form. The study also explored the effectiveness of cognitive behavioral therapy (CBT) as a complementary treatment.
A new study shows that teens who experience both face-to-face and cyber-bullying are more than twice as likely to engage in aggressive behaviors. Victims of multiple forms of bullying have over twice the odds of showing hostile behavior, such as verbal hostility, physical fighting, or damaging property.
A study in China found that competitive driving is a widespread phenomenon linked to overcrowded roads and cultural influences. Drivers perceive chaotic traffic as a catalyst for competition, leading to aggressive behavior.
A new eight-week intervention program, called the Early Childhood Friendship Project (ECFP), has been shown to significantly reduce relational bullying and aggressive behavior in preschoolers. The ECFP uses puppets, stories, and activities to teach social skills and empathy.
Researchers at Wake Forest University found that woodpecker pairs coordinate their defense behavior based on the intensity of drumming sounds from intruders. A longer drum is perceived as a tougher opponent, prompting coordination and aggression, whereas a shorter drum signals weakness.
Research reveals FASD impacts on children's behavior, including internalizing (anxiety, withdrawal) and externalizing (aggression, delinquency) problems, as well as social skills, thought processing, and attention issues.
A study in Medical Care journal reveals that overcrowding in Israeli psychiatric wards is associated with higher rates of problem incidents, including falls and aggressive behavior. The research found a 'dose-response' effect, where increasing overcrowding leads to an increased risk of incidents.
A study in mice reveals that changes in the lateral septum, a brain structure tied to anxiety and fear control, trigger 'septal rage' - sudden, violent outbursts. The research may lead to better understanding of aggression in other animals, including humans.
Researchers measured trap-jaw ant speed in high-speed cameras, finding species range from 19.5 to 41.5 strikes per second, with Odontomachus brunneus recording the fastest recorded speed. Understanding antennal boxing can inform our understanding of ant sociology and behavior.
Researchers explore internal and social behavior, using mathematical tools to analyze brain activity. The study reveals a substance that influences financial decisions, highlighting the need for guiding rules in brain function.
A new report by Ohio State University researchers highlights the similarities in prevention approaches for school rampage shootings and street violence, despite differences in demographics and risk factors. The study emphasizes the need for a multifaceted approach to prevent youth violence, including strengthening families, reducing ac...
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.
Scientists found that specific neurons, required for dopamine production, drive parental care in females while serving a different function in males. Elevating these neuron's activity enhances oxytocin levels and triggers maternal actions in female mice.
A study in mice reveals that specific brain areas control paternal versus infanticidal behavior. The activation patterns of these areas determine whether a male mouse will show caring or aggressive behavior towards newborn pups. This discovery could have implications for understanding societal problems such as child-directed aggression...
A new UCL study found that over one-quarter of people with intellectual disabilities in the UK are being inappropriately prescribed antipsychotic drugs. Behaviour problems not due to mental illness were often treated with these medications.
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.
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.
A study found that chimpanzees are sensitive to behaviors towards infants and react emotionally to violations of social norms within their own group. They show a 'bystander effect' when an infant from another group is harmed, but not otherwise.
Observing white Americans engage in small nonverbal acts like smiling and making eye contact increases positive attitudes towards Black Americans. This study found that positive micro-nonverbal behaviors can be contagious, reducing racial bias and stereotypes.