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Aggression
The character of an act that is intended to cause harm to another person. Evolutionary theory postulates that aggression is a basic survival mechanism that increases the chance of survival, both across (predator/prey) and within species. Additionally, aggression in males, evolutionarily speaking, may increase their chance of producing offspring. Biological influences moderating aggression include genetic, hormonal, and neurotransmitter influences, including the neurotransmitter serotonin, which curbs impulsive behavior. Indeed, lower levels of serotonin may predispose individuals to respond aggressively to social provocation. Similarly, testosterone is associated with higher levels of aggression. According to social-cognitive theorists (e.g., Albert Bandura), aggression is a learned behavior similar to many other forms of behavior, handed down by parents through role modeling and observational learning. Additionally, sociocultural influences such as poverty, ...