There is a psychologist and a neuroscientist.
All people with psychopathy have four defining characteristics.
They are pitilessness, remorselessness, an inability to love, and insensitivity to the chance of harm.
A neuroscientist with 15 years of brain- research experience says her findings suggest that psychopaths are not born from traumatic childhoods.
During a virtual seminar from the Science and Entertainment Exchange, an organization that connects the entertainment industry with science professionals, a psychology professor said the root of their illness is brain development.
According to Marsh, the brain abnormality that seems to start early in childhood and then progress is linked to the severity of these traits.
Psychopathy is a spectrum from mild to severe with some people being more threatening than others. The four characteristics they share are pitilessness, remorselessness, inability to love, and insensitivity to the possibility of harm.
People on the psychopathy spectrum don't feel pity.
She said that when someone close to a psychopath is sad or fearful, they don't feel themselves.
The example she gave was of an elementary-school-aged boy who videotaped his teachers and classmates as they reacted to what they thought was a terrorist attack on their school.
People with psychopathy don't feel remorse when they hurt others.
She said she checked in to a mental-health facility because of the stress she was putting on the boy's mother, who lost her job because she needed to care for him. She said the boy said it didn't bother him.
She said that he said that the things he did hurt her but she didn't say how much. He blamed his mom for all the negative effects of his behavior because he had not apologized.
People with psychopathy have trouble empathizing with love.
They don't experience close, loving bonds with other people like other people do. More than one child or adolescent has said that they don't love anyone.
People with psychopathy may refer to loved ones as "associates" who can help them but are beneath them.
People with psychopathy can't understand fear.
She said that they were really sensitive to the possibility of future harm. One girl told us that nothing scares her.
She said that the threat of injury, going to jail, or disapproval wouldn't stop someone with psychopathy from doing what they want.
She studied a young woman who stole her parents' car and drove it into a tree.
Marsh said that she was unruffled. After the cops showed up at her house, she sat on the couch and ate her snacks.
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