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Study finds low agreeableness linked to a preference for aggressive dogs

A study carried out at the University of Leicester's School of Psychology has found that younger people who are disagreeable are more likely to prefer aggressive dogs, confirming the conventional wisdom that dogs match the ...

Biology / Plants & Animals

created May 22, 2012 | popularity 5 / 5 (1) | comments 0

Young children of unmarried parents fare worse when a father's support is court-ordered

Young children of unmarried parents who live with their mother and receive court-mandated financial support from their father exhibit more aggressive behavior than those who don't get any formal support at all, according ...

Other Sciences / Social Sciences

created May 14, 2012 | popularity 3.5 / 5 (2) | comments 3

Behavioral problems linked to cortisol levels

Cortisol, the so-called stress hormone, seems to behave in contradictory ways in children. Some youngsters with behavioral problems have abnormally high levels of cortisol, while others with identical problems ...

Medicine & Health / Psychology & Psychiatry

created Feb 09, 2011 | popularity 4.9 / 5 (15) | comments 13 | with audio podcast

Scientists discover a tangle of neurons that control aggression

(PhysOrg.com) -- In a tiny region buried deep in the brain, neurons that control two disparate behaviors – aggression and mating – are closely intertwined, Howard Hughes Medical Institute researchers have revealed. ...

Medicine & Health / Neuroscience

created Feb 09, 2011 | popularity 4.8 / 5 (12) | comments 2 | with audio podcast

Study proves conclusively that violent video game play makes more aggressive kids

Iowa State University Distinguished Professor of Psychology Craig Anderson has made much of his life's work studying how violent video game play affects youth behavior. And he says a new study he led, analyzing 130 research ...

Medicine & Health / Psychology & Psychiatry

created Mar 01, 2010 | popularity 3.9 / 5 (16) | comments 36 | with audio podcast

Ravens console each other after fights

(PhysOrg.com) -- A new study investigating the behavior of ravens has found strong evidence that after conflicts bystanders appear to console and relieve the distress of victims with whom they have a relationship, ...

Biology / Plants & Animals

created May 18, 2010 | popularity 4.7 / 5 (12) | comments 1 | with audio podcast report

Scientists find cancer cells co-opt fat metabolism pathway to become more malignant

An enzyme that normally helps break down stored fats goes into overdrive in some cancer cells, making them more malignant, according to new findings by a team at The Scripps Research Institute.

Chemistry / Biochemistry

created Jan 12, 2010 | popularity 5 / 5 (2) | comments 0 | with audio podcast

Bonobos' unusual success story

Mate competition by males over females is common in many animal species. During mating season male testosterone levels rise, resulting in an increase in aggressive behavior and masculine features. Male bonobos, ...

Biology / Plants & Animals

created Jan 23, 2012 | popularity 4.4 / 5 (5) | comments 0 | with audio podcast

Scientists discover aggression-promoting pheromone in flies (w/ Video)

Have you ever found yourself struggling to get your order taken at a crowded bar or lunch counter, only to walk away in disgust as more aggressive customers elbow their way to the front? It turns out that ...

Biology / Plants & Animals

created Dec 06, 2009 | popularity 4 / 5 (10) | comments 1

Mom was right: Why nice guys usually get the girls

(PhysOrg.com) -- Female water striders often reject their most persistent and aggressive suitors and prefer the males who aren't so grabby, according to new research. Water striders are insects commonly seen ...

Biology / Plants & Animals

created Nov 05, 2009 | popularity 4.6 / 5 (9) | comments 1

Some antidepressants alter peoples' moral judgement

(PhysOrg.com) -- The most common type of antidepressants, serotonin enhancers, alters peoples’ moral judgement and leads to a reduction in aggressive behaviour, a study published today in the journal Proceedings of ...

Medicine & Health / Psychology & Psychiatry

created Sep 28, 2010 | popularity 4.9 / 5 (7) | comments 2 | with audio podcast

Not quite 'roid rage: Complicated gene networks involved in fly aggression

(PhysOrg.com) -- Fruit fly aggression is correlated with smaller brain parts, involves complex interactions between networks of important genes, and often cannot be controlled with mood-altering drugs like ...

Biology / Plants & Animals

created Sep 29, 2011 | popularity 4 / 5 (1) | comments 0 | with audio podcast

Tumor-attacking virus strikes with 'one-two punch'

Ohio State University cancer researchers have developed a tumor-attacking virus that both kills brain-tumor cells and blocks the growth of new tumor blood vessels.

Medicine & Health / Cancer

created Dec 01, 2009 | popularity 5 / 5 (6) | comments 0

Gene regulatory networks in the bee brain linked to behavior

A new study reveals that distinct networks of genes in the honey bee brain contribute to specific behaviors, such as foraging or aggression, researchers report.

Biology / Plants & Animals

created Sep 26, 2011 | popularity not rated yet | comments 0 | with audio podcast

Feeling angry? Say a prayer and the wrath fades away

Saying a prayer may help many people feel less angry and behave less aggressively after someone has left them fuming, new research suggests.

Medicine & Health / Psychology & Psychiatry

created Mar 21, 2011 | popularity 3.5 / 5 (12) | comments 33 | with audio podcast

Aggression

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.

For more information about Aggression, read the full article at Wikipedia.
This text uses material from Wikipedia and is available under the GNU Free Documentation License.

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