Psychological characteristics
include low IQ, impulsivity, hyperactivity, lack of empathy, and
fearlessness.12, 13 Parental risks
include low levels of education, antisocial behavior, poor parenting skills, maternal early onset of childbearing, and family discord.14 — 20 There is evidence of an intergenerational transmission of these problems through both genetic and environmental channels.18, 19,21 — 24 Developmental research also shows that the spontaneous onset of physical aggression in school - aged children is highly unusual.1, 7,25 Instead, the developmental precursors of chronic physical aggression are present before school entry.
«When psychologists talk about psychopaths, what we're referring to are people who have a distinct set of personality characteristics, which
include things like ruthlessness,
fearlessness, mental toughness, charm, persuasiveness and a lack of conscience and empathy.