aggression

Columbia University researchers reveal a sensitive adolescent period that shapes adult behavior through dopamine function, highlighting the complex impact of stimulant exposure on developing brains and potential psychiatric outcomes. Credit: SciTechDaily.com Drugs blocking dopamine transporters may be harmful for healthy teens but helpful for those with pathological dopamine hypofunction.In a breakthrough finding researchers at Columbia University Irving Medical Center identified a sensitive developmental period during…

As It Happens6:24Great apes get a kick out of 'playfully teasing' each other, study findsWhat do you call it when a chimpanzee offers his buddy a delicious piece of fruit only to pull his hand away at the last second? Or when a bonobo repeatedly pokes, prods and pulls on the hair of an older relative not hard enough to hurt, but just enough to be annoying?It's not quite play, argues anthropologist Erica Cartmill, but it's not quite aggression either. It's "playful teasing." And, according to a new study, it's a very…

Oriana Aragon. Credit: Andrew Higley/UC Marketing + Brand A romantic spark this Valentine's Day could lead to playful bites of a partner, tears of joy at the sight of an engagement ring or the birth of a baby who's so cute you just want to pinch him. Don't worry, that little baby is safe. Those physical displays of what might look like aggression…

Roughly every month I receive an e-mail from a parent somewhere in the world asking for help with a child who is violent, angry or aggressive. Some people describe being physically beaten or having their life threatened by their son or daughter. These families may spend thousands of dollars on special schools and treatments. Often they are desperate, afraid and looking for guidance.Psychologists recognize several conditions that are characterized by violence and aggression. They include conduct disorder and disruptive…

Researchers discover that just like in mice, human tears contain a chemical signal that blocks conspecific male aggression. Credit: SciTechDaily.comExposure to tears led to less revenge-seeking behavior and lower aggression-related brain activity.New research, published on December 21st in the open-access journal PLOS Biology, shows that tears from women contain chemicals that block aggression in men. The study led by Shani Agron at the Weizmann Institute of Science, Israel, finds that sniffing tears leads to reduced…

A fascinating study has found that sniffing female tears significantly reduced male aggression and decreased activity in aggression-related brain networks. It’s suggested that the effect, which is caused by chemical signals in tears and is also seen in rodents, serves a protective function.Charles Darwin was perplexed by emotional tears; he thought they served no useful purpose other than lubricating the eye. Although shedding emotional tears is thought to be a solely human trait, since Darwin, researchers have found that…

`Friends` star Matthew Perry passed away on October 28 at the age of 54. He was found dead in the hot tub at his home. Late actor’s female friend said that he was “angry and mean” in the weeks before his death because he had been taking testosterone shots. Perry’s autopsy report revealed a grimmer look at the star’s final days. It noted that aside from a lethal amount of ketamine mixed with the opioid-like drug buprenorphine, which is used to alleviate pain and help with addiction to opioids,…

The animal kingdom is full of sexual competition, and extinct creatures are no exception: Researchers found evidence that male woolly mammoths experienced hormone-induced states of aggression towards their rivals, much like modern bull elephants.Rare Polar Bear Attack in Canada | Extreme EarthThis phenomenon is known as musth, and it describes a state of heightened sexual activity and aggression in male elephants. A team of researchers examining a 33,000-year-old mammoth tusk found annualsurges in testosterone and other…

Credit: Unsplash/CC0 Public Domain Researchers at QUT have developed a new tool to measure customer aggression within the retail and services sectors. Published in Journal of Retailing and Consumer Services, the study, was the first of its kind to clearly identify the types of aggressive behaviors that employees face, and how these…

Credit: Pixabay/CC0 Public Domain A Griffith University report exposes statistics about theft, fraud and violence experienced by Australia and New Zealand retailers. Commissioned by the Profit Protection Future Forum, the 2022 Australia & New Zealand Retail Crime Study provides crucial insight into retail crime and aims to help…