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One in 100 children 'display psychopathic tendencies'

By John von Radowitz

Around one in 100 children could be a psychopathic "Kevin", research suggests.

Like the budding serial killer in the novel and film 'We Need To Talk About Kevin', they are liable to lie, cheat, manipulate and commit acts of remorseless cruelty.

Appealing to their sense of fair play and conscience is a waste of time because they lack empathy.

So too are punishments such as "time out", which involves brief periods of isolation such as sitting on a "naughty chair".

Psychologists are only now starting to recognise that psychopathic children, described as callous-unemotional (CU), form a distinct sub-group.

Unlike most children who display anti-social behaviour, they are not primarily products of bad parenting, according to Professor Essi Viding from University College London.

Her group has carried out twin studies, which suggest that psychopathic traits in children are largely genetic.

"For the group that has callous-unemotional traits, there's a strong genetic vulnerability," said Prof Viding.

"This does not mean these children are born anti-social or are destined to become anti-social.

"But in the same way that some of us are more susceptible to heart disease, these children are people who are more vulnerable to environmental influences that trigger the anti-social outcome."

For other children with conduct problems, a "close relationship" could be seen with bad parenting, she said. The worse the parents were, the more these children were likely to be anti-social. But this was not the case for children with psychopathic tendencies.

Prof Viding, who will give a talk at the British Science Festival next week, said between a quarter and half of children with conduct problems may fall into the CU category.

That amounts to slightly less than 1pc of all children.

She told how she applied her own "Kevin test" to her one-and-a-half-year-old daughter.

Knowing that emotions are strongly contagious in most small children, Prof Viding pretended to cry profusely.

"I was very relieved when my daughter promptly burst into tears," she said.

"I'm not saying that a child who wouldn't start crying at that point is then diagnostic of being a psychopath, but I think that's one fairly crude way to see how your child reacts emotionally."

Usually parents become all-too-painfully aware of psychopathic tendencies in their children over a long period of time, she said.

"The kinds of features that parents report are cruelty to animals, cruelty to younger siblings and lying and not having any remorse or concern about getting caught," Prof Viding said.

The British Science Festival opens at the University of Aberdeen next Tuesday

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