Have you ever looked at a puppy and had the urge to squeeze or even bite it? Or felt compelled to pinch a baby’s cheeks, albeit without a desire to harm it? If you answered yes to either question, you’ve experienced a phenomenon called cute aggression — and you’re far from alone. Until now, research… Read more

A brain region that helps tell an animal when to attack an intruder and when to accept it into its home has been identified by researchers at Columbia University. The brain area, called CA2, is part of the hippocampus, a larger brain structure known to be critical for our memory of people, places, things and… Read more

Many people have experienced the urge to cross the road or move seats on a bus after a conversation taking place nearby suddenly becomes aggressive. Now, a scientific study has shown how the size of your interpersonal space changes depending on the tone and content of other people’s conversations. The research was conducted by instigators… Read more

One-third of patients diagnosed with Alzheimer’s disease or frontotemporal dementia were physically aggressive towards healthcare staff, other patients, relatives, animals and complete strangers, a study from Lund University shows. “The prevalences are not surprising, but we noted a difference between the two groups in terms of when in the course of the disease aggressive behaviour… Read more

A small grouping of homogeneous brain cells make the neurotransmitter serotonin regulate many functions, from breathing to mood to appetite. But how do they do it? They’re not so homogeneous after all. Over the past few years, researchers, including Harvard Medical School geneticist Susan Dymecki, have begun uncovering distinct subtypes of serotonin neurons that seem… Read more