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Week 3a - It is suggested that it is predominantly the...

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1 circle6 “It is suggested that it is predominantly the feeling of what is moral that is deficient in antisocial groups, rather than the knowing of what is moral. This moral feeling, centered on the [prefrontal cortex] and amygdala, is the engine that translates the cognitive recognition that an act is immoral into behavioral inhibition-and it is this engine that functions less well in antisocial, violent, and psychopathic individuals” ring2 Raine & Yang, 2006, p.209 4 5 Etiology of Violence
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2 6 Risk & Protective factors circle6 Person level circle6 Social level circle6 Environmental level 7 Biological Bases:
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3 8 Biological Bases: some caveats circle6 Violence may result from ring2 Relatively permanent conditions ring2 Temporary states ring2 Interactions of the above circle6 No clear/reliable biological marker for violent behavior 9 Physiology and anatomy circle6 Brain tumors rarely lead to violent behavior circle6 Minor brain damage ring2 Assessed by circle6 Small physical anomalies circle6 Neuropsychological testing circle6 Head injury
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4 10 Neurological impairments circle6 Multiple brain regions may contribute to antisocial behavior for different reasons ring2 PFC (executive functioning) ring2 Amygdala (poor fear conditioning) ring2 Hippocampus (emotion regulation) 11 Neurotransmitters circle6 Neurotransmitters are chemicals released at the end of an axon which travel across the synapse and have either an excitatory or inhibitory effect on an adjacent neuron
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5 12 Neurotransmitters circle6 Name one 13 Serotonin circle6 Plays a role in memory, learning, mood, sexual behavior, and endocrine regulation. circle6 Increased serotonin has a calming effect (increased relaxation, decreased pain) circle6 Most intensively studied with regard to violent behavior ring2 Inverse associations exist between serotonin concentrations and aggressive behavior circle6 Study found an inverse relationship between serotonin level and
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