genetic explanations for criminality

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what does the CDH13 gene control?
its linked to substance abuse and ADD.
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what does the MAOA gene control?
dopamine, serotonin, aggression, passed from mothers to sons.
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what did Karl Christiansen investigate and what were the results?
investigated 82 MZ ad 147 DZ twin offenders, the concordance rates were 33% fir MZ twins and 12% for DZ twins.
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What did a genetic analysis of Finnish offenders reveal?
900 Finnish offenders found 2 gene abnormalities, MAOA and CDH13, combination meant 13 times more likely to have aggressive behaviour.
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What role does the prefrontal cortex play in criminality?
it was found in people with antisocial personality disorder had a reduction in the prefrontal corexx, an overall 11% reduction in grey matter.
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what is the prefrontal cortex involved in?
emotional and social behaviour, impulse control and conscience.
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what role does the amydgla play in criminality?
controlling fear response, part of lymbic system, flight or flight and empathy.
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what role to mirror neutrons play in criminality?
criminals with APD can experience empathy, just more sporadically, it found mirror neutrons were only activated when they were asked to empathise.
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describe lombrosos atavistic form
criminals were genetic throwbacks with certain psychical characteristics
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describe lomboros research
383 dead and 3839 living criminal had their skulls measure, and extra toes, finger and ******* measured, 40% of criminality could be put down to physical characteristics
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describe some of the characteristics of a criminal according to lombroso
narrow sloping brow, prominent jaw, high cheekbones, facial-asymetry, dark skin, extra toes and *******
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what does the MAOA gene control?

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dopamine, serotonin, aggression, passed from mothers to sons.

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what did Karl Christiansen investigate and what were the results?

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Card 4

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What did a genetic analysis of Finnish offenders reveal?

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What role does the prefrontal cortex play in criminality?

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