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Are there any benefits to violent behavior? Are some people pre-disposed to act violently?
In this chapter, you will read about two modern day tribal societies who exhibit high-risk violent behavior for specific social gains and how they dehumanize their neighbors in order to go to battle. Finally, you will hear about common biological differences in the brain of murderers which present a tendency toward violent behavior and what social factors can help mitigate this predisposition.
Explore the different sections within this chapter by navigating through grey buttons. Once you are finished exploring a section, click Next to proceed to the next section, or Home to return to Biological Basis home page.
Baron-Cohen, Simon. The Science of Evil: On Empathy and the Origins of Cruelty
Eisner, Manuel. What Causes Large Scale Variation in Homicide Rates?
Fry, Douglas and Patrik Soderberg. Lethal Aggression in Mobile Forager Bands and Implications for the Origins of War
Raine, Adrian. The Anatomy of Violence: The Biological Roots of Crime
Wilson, Margo and Martin Daly. Homicide
Adaptive Behavior: physical traits or behavior produced by natural selection. For an adaptation to persist and spread in a population it must be beneficial. Dept. of Anthropology, University of Missouri-Columbia
Amygdala: in the brain, one of the integrative centers for emotions, emotional behavior and learning, motivation, and fear-related memory. It also regulates additional cognitive processes, such as memory or attention The Amygdala and Emotion
Other: the condition or quality of being different, particularly if the differences in question are strange, bizarre, or exotic. The concept of 'othering' creates opportunities for designating others as sub-human in order to justify hate crimes. Encyclopedia of Qualitative Research Methods
Pre-Frontal Cortex: an area in the brain that regulates problem solving, emotions, and complex thought. New York Academy of Sciences
PTSD or Post-Traumatic Stress Disorder: a mental health condition triggered by a terrifying event — either experiencing it or witnessing it. Symptoms may include flashbacks, nightmares and severe anxiety, as well as uncontrollable thoughts about the event. Mayo Clinic