Articles tagged with Aggression
Scientists have discovered a statistical relationship between brain levels of the enzyme monoamine oxidase A (MAO) A and aggressive personality in healthy non-violent volunteers. The study found that higher MAO A activity was associated with less aggressive behavior, while lower MAO A activity was linked to more aggressive tendencies.
A recent literature review and formal classification of sleep-related disorders associated with abnormal sexual behaviors and experiences have been published. These disorders, referred to as 'sleepsex' or 'sexsomnia', can cause disturbing and embarrassing symptoms, and may lead to delays in seeking help due to fear of judgment.
Two studies found that exposure to even cartoonish children's violent video games increases aggressive behavior in children and adolescents. A third study showed that frequent play of violent video games leads to a more aggressive worldview and behaviors in school-aged children. Both studies support the idea that violent video game exp...
Researchers found genetic markers associated with lower scores in tests measuring anger, hostility, and aggression in women. The study identified two alterations in the serotonin receptor 2C gene promoter region linked to increased risk of hypertension, glucose metabolism, and heart diseases.
A new study finds that reading violent scriptures increases aggressive behavior, especially among believers. The study, led by University of Michigan social psychologist Brad Bushman, found that participants who read passages from the Bible exhibited increased aggression when told that God had sanctioned their actions.
Male crayfish exhibit pseudo-copulation behavior, mirroring normal sexual copulation, to reduce aggression and secure social dominance. This mutual behavior is crucial for the survival of subordinate males, highlighting its evolutionary significance in invertebrates.
A recent meta-analysis found that certain personality variables predict aggressive behavior, including anger, irritability, and impulsivity. The study analyzed data from 63 studies and identified two patterns of associations: aggression-prone and provocation-sensitive individuals.
Researchers identified genes affecting fruit fly aggression, finding a 10% genetic contribution to behavior. The study's findings have implications for understanding abnormal aggression in humans and developing pharmaceutical interventions.
Adolescents conform to aggressive and risky behaviors of highly popular peers when others observe, and privately internalize these attitudes even when alone. Social anxiety may exacerbate vulnerability to peer influence.
A recent study published by Michigan State University's Kay Holekamp found that alpha female hyenas have higher androgen levels during pregnancy, which influences the behavior of their cubs. As a result, the cubs exhibit more aggressive and sexual play, increasing their chances for life-success.
A study by Michigan State University zoology professor Kay Holekamp found that high-ranking hyena mothers pass on high levels of androgens to their offspring, making them more aggressive and sexually vigorous. This unique trait helps females secure food resources and dominate their social group.
A recent study by University of Virginia researcher Timothy Konold found that parents are better indicators of emotional behaviors in children, such as anxiety and sadness. In contrast, teachers are more accurate in assessing aggressive or delinquent behaviors, which may be influenced by parental behavior.
A study by Miles and Stipek found that social behavior and literacy achievement are connected, with poor reading skills in first grade predicting subsequent aggressive behavior. The research highlights the importance of teaching reading well in early grades and suggests that one-on-one tutoring can help stem negative behavior.
Researchers found that shelter dogs with behavioral issues were more likely to be reported as aggressive or fearful when owners believed their responses would be shared with staff. Honest owner assessments can help shelters identify troubled dogs and provide better care for both animals and potential adopters.
A new study published in Nature Neuroscience found that male mice require intact functioning of the main olfactory epithelium (MOE) to detect pheromones that elicit sexual behavior and fighting. The MOE plays a crucial role in regulating mating and aggression in mice, highlighting the importance of this sensory system.
Research by Iowa State University researchers found that rewarded violence in video games significantly increases aggressive thoughts and behavior, as well as feelings of hostility. In contrast, punishment did not affect aggressive behavior but had a lesser impact on hostile feelings and aggressive thoughts.
Researchers found that brain aromatase levels influence aggression and sex hormone conversion in social fish. The study suggests that social cues initiate the sex change process in the brain, leading to behavioral and gonadal transformation.
Researchers found no statistically significant effects on aggression caused by playing a violent video game, contradicting previous suspicions. The study involved 213 participants who played the game for an average of 56 hours over a month, with no evidence of increased aggressive behaviors or beliefs.
Research shows that oxytocin increases maternal aggression and decreases anxiety during lactation. In a study on virgin rats, oxytocin was found to reduce anxiety and promote social dominance behavior. The hormone's role in regulating reproductive systems and behaviors is also being explored.
A three-year study aims to better understand the hormonal influences on post-natal psychiatric disorders in women. Researchers suspect that hormone signals within the brain play a key role in behavioral change following childbirth.
A three-year study funded by £253,823 is set to investigate the role of hormones in post-natal illnesses. Research suggests that changes in brain chemistry following childbirth may contribute to psychiatric disorders in some women, with up to 10% experiencing anxiety and unhappiness.
Researchers found that stimulation of the posterior parietal cortex elicits complex, innate behaviors such as aggressive facial patterns and hand-to-mouth movements in primates. This discovery suggests that these behaviors are built-in to primate brains, including humans.
A review of North American studies found consistent evidence that media violence is associated with increased aggressive play and behavior in younger children. The effect is small but significant, particularly in boys, and persists even when socioeconomic factors are considered.
Researchers found that the Good Behavior Game reduced aggressive behavior and improved academic achievement, particularly among high-risk boys, with lower rates of criminal activity and delinquency.
A USC study of over 1,000 children on Mauritius found a strong link between malnutrition and aggressive behavior, with malnourished kids showing a 51% increase in violent and antisocial behavior by age 17. Poor nutrition was linked to lower IQ, which in turn led to later antisocial behavior.
A study by Dr. Guy Stecklov and Dr. Joshua Goldstein found a significant increase in road fatalities in Israel following terrorist attacks. The research suggests that people may become more considerate after an attack, only to experience a temporary surge in aggressive behavior that leads to increased accidents
Research found that differential parenting, particularly negative behavior, is linked to child maladjustment and aggressive-disruptive behavior. The study suggests parents should follow a principle of fairness in dealing with their children, but acknowledges that special circumstances require different treatment.
Research links being overweight in kindergarten girls to a higher risk of behavior problems, including externalizing and internalizing issues. Low family income and maternal depression were strong predictors of these problems, contradicting the common belief that childhood obesity leads to behavior issues for both genders.
A recent study found that employees who were allowed to regulate their emotions in response to customer aggression reported lower levels of stress. Employers are advised to provide training in emotional regulation for service representatives to reduce burnout and absenteeism. The researchers also recommended enhancing job autonomy to m...
Researchers found that long-term consumption of high amounts of isoflavones can alter patterns of agonistic and social behavior in primates, including increased aggressive and submissive behavior. The study suggests careful attention must be taken to balance beneficial and potentially adverse effects of soy consumption.
A recent report by the Association for Psychological Science reveals that media violence consistently shows a link to aggressive behavior in children. The short-term exposure to violent media can increase aggression, while long-term exposure can produce lasting increases in aggressive thought patterns and emotions.
A study found that behavioral anger contributes the most to alcohol-related aggression among men and women. Researchers examined healthy social drinkers and found that those with higher behavioral and cognitive anger scores were more likely to exhibit aggressive behavior when intoxicated. The findings suggest that understanding the rel...
A recent study by Dario Maestripieri found that young monkeys reared by a mother other than their own exhibit the aggressive or friendly behavior of their birth mothers, rather than foster mothers. This suggests that inherited behavioral predispositions may play a more important role in shaping social behavior in primates.
A recent study published in the Journal of Developmental and Behavioral Pediatrics suggests that bedwetting may be associated with low socioeconomic status in children. The research found that almost 39% of children with bedwetting problems came from low socioeconomic backgrounds, compared to 23% of non-bedwetters.
Researchers found that Northwestern crows use passive strategies when stealing from relatives and become aggressive when targeting non-relatives. The study, led by Renee Ha and James Ha, observed 55 birds over 2.5 years and found that kinship significantly affects crow behavior.
Researchers found that progesterone receptor knockout mice showed a complete lack of infanticide and exhibited active paternal care, frequently contacting and retrieving pups. In contrast, control mice committed 74% infanticide and displayed less paternal behavior.
Researchers have identified a genetic basis for aggression and anger, with the vasopressin 1b receptor playing a key role. The study found that mice without this receptor exhibit reduced aggression and impaired social recognition, suggesting potential therapeutic targets for treating aggressive behavior.
A new study by Penn scientists has found that women's brains have a larger volume of orbital frontal cortex, a region involved in modulating aggression, compared to men. This difference may contribute to the perception of women being less aggressive than men.
Researchers at Rockefeller University have found that mice engineered to lack specific genes linked to pheromone detection exhibit reduced aggression and sexual behavior. The study suggests that the absence of these genes impairs the ability to detect certain pheromones, leading to behavioral abnormalities.
Researchers are developing more realistic training simulations that take into account fatigue, stress, personal values, emotion, and cultural influences to improve skill attainment. The goal is to steer trainees away from behaviors contributing to crowd aggression, such as flaunting weapons or authoritarian governance.
A study of 145 stroke patients found that those with lesions in the frontal, lenticulocapsular, and pontine base areas were more likely to experience uncontrolled anger and aggression. Emotional incontinence, sudden outbursts of emotion, was also commonly observed.
Research tracking over 700 children from adolescence to adulthood found that adolescents watching more than one hour of TV daily were more prone to violence. The link remained even after accounting for other factors like childhood neglect and low family income. The study's findings contradict the common assumption that media violence o...
Researchers observed that biting behavior in Polybia occidentalis wasps is a continuum, transitioning from mild to highly aggressive. This behavior affects the life cycle of individual wasps, influencing foraging and social hierarchy.
The PeaceBuilders program increases children's social competence and positive behavior patterns, leading to improved school climate. The program, which focuses on universal prevention beginning in kindergarten, has a lasting impact on students' aggressive behavior.
Research finds that child-centered parenting and prosocial behavior can break the cycle of destructive behavior in aggressive children, reducing school maladjustment and long-term unemployment. Aggressive children who learn prosocial behavior are more accepted by peers, developing social skills and improving job prospects.
A new violence prevention program, LIFT, has been shown to reduce aggressive behavior in elementary school children by 90% after a single year. The program includes parents, teachers, and peers in monitoring and managing environments to create a safer experience for all students.
A four-year study found that consistently low salivary cortisol levels in boys aged 7-12 are associated with early onset and persistence of aggressive behavior. Boys with low cortisol levels exhibited three times the number of aggressive symptoms and were more likely to be singled out by their classmates.
A new survey of 8,865 Texas middle school students found that parents' attitudes towards fighting have a significant impact on their children's aggressive behaviors. The study also identified three other family factors and practices that are indicative of how likely kids will be involved in fighting and aggressive behaviors.
Research suggests that bullying is a continuum of behaviors, with many students engaging in both bullying and victimization. Teachers and parents can play a crucial role in supporting affected students. Effective interventions require changing school climate and tailoring approaches to address physical aggression and bullying.
A study of 510 preschool children found that those sleeping less than 10 hours a day are at risk for increased behavioral problems, such as oppositional behavior and aggression. The relationship between sleep and behavior problems is complex, with possible interaction effects between variables like temperament and parenting.
A study by Johns Hopkins researchers suggests that classroom disorder can influence aggression levels in first-graders, with high-disorder classrooms linked to increased aggression in later years. Meanwhile, girls and boys from poor communities are also at risk of becoming highly aggressive by middle school.