Are some humans born evil?@ Telegraph

" Although most children become distressed when those around them are unhappy, some are less reactive to others’ emotions. “This is what psychologists call emotional contagion,” says Viding. “We think it’s one of the early markers of how readily you develop empathy.” A lack of empathy is one of the key signs of psychopathy, and increases the likelihood of committing harmful crimes.

But Viding, who focuses on the neurobiological basis of psychopathy, says parents and teachers have a strong effect on a child’s mental trajectory. Growing up in a cold, mercenary environment is likely to make a child less empathetic, while a positive teacher who rewards good behaviour can help a child react appropriately to others’ suffering. "

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