People with "dark personality traits," such as psychopathy or narcissism, are more likely to be callous, disagreeable and antagonistic in their nature. Such traits exists on a continuum—we all have more or less of them, ...
Mar 16, 2022
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(Medical Xpress) -- New research conducted at McMaster University suggests women vying for male attention become aggressive towards other women they see as sexual rivals, a scene often played out in the media and popular ...
Dec 8, 2011
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A new study by psychology academics at the University of Derby and Nottingham Trent University (NTU) has shown that including certain Omega-3 fatty acids in a person's diet can help them adapt their reaction to impulsive ...
Aug 13, 2020
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(Medical Xpress) -- Research conducted among pupils in three London schools has shown that male street gang affiliates who engage in angry rumination (i.e. think continuously about provoking or negative events and situations) ...
Jul 13, 2012
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Parents who frequently exercise harsh discipline with young children are putting them at significantly greater risk of developing lasting mental health problems, new evidence shows.
Mar 30, 2023
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High activity in a relatively poorly studied group of brain cells can be linked to aggressive behaviour in mice, a new study from Karolinska Institutet in Sweden shows. Using optogenetic techniques, the researchers were able ...
May 25, 2018
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Hereditary factors are partly responsible for childhood anxiety and depression that persists into adulthood, according to University of Queensland researchers.
Apr 7, 2022
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University of Otago researchers have discovered a new function for the hormone prolactin—it limits a new mom's investment in aggressive behavior and instead focuses them on interacting with their babies.
Feb 21, 2022
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An international study published in the journal Molecular Psychiatry has identified 40 genes related to aggressive behaviour in humans and mice. Participants in the study, which could contribute to shape future pharmacological ...
Jul 9, 2018
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To what extent is personality an adaptation to appearance or even physique? A team of scientists at the University of Göttingen has investigated this question. Their results: it depends on gender and on which behaviour is ...
Feb 12, 2019
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In psychology, as well as other social and behavioral sciences, aggression refers to behavior between members of the same species that is intended to cause pain or harm. Predatory or defensive behavior between members of different species is not normally considered "aggression." Aggression takes a variety of forms among humans and can be physical, mental, or verbal. Aggression should not be confused with assertiveness, although the terms are often used interchangeably among laypeople, e.g. an aggressive salesperson.
There are two broad categories of aggression. These include hostile, affective, or retaliatory aggression and instrumental, predatory, or goal-oriented aggression. Empirical research indicates that there is a critical difference between the two, both psychologically and physiologically. Some research indicates that people with tendencies toward affective aggression have lower IQs than those with tendencies toward predatory aggression. If only considering physical aggression, males tend to be more aggressive than females. One explanation for this difference is that females are physically weaker than men, and so need to resort to other means.
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