Week 3a

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

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1 c “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” r 4 5 Etiology of Violence
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2 6 c Person level c Social level c Environmental level 7 Biological Bases:
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3 8 Biological Bases: some caveats c Violence may result from r Relatively permanent conditions r Temporary states r Interactions of the above c No clear/reliable biological marker for violent behavior 9 Physiology and anatomy c Brain tumors rarely lead to violent behavior c Minor brain damage r Assessed by c Small physical anomalies c Neuropsychological testing c Head injury
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4 10 Neurological impairments c Multiple brain regions may contribute to antisocial behavior for different reasons r PFC (executive functioning) r Amygdala (poor fear conditioning) r Hippocampus (emotion regulation) 11 Neurotransmitters c 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 c Name one 13 Serotonin c Plays a role in memory, learning, mood, sexual behavior, and endocrine regulation. c Increased serotonin has a calming effect (increased relaxation, decreased pain) c Most intensively studied with regard to violent behavior r Inverse associations exist between serotonin concentrations and aggressive behavior c Study found an inverse relationship between serotonin level and
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This note was uploaded on 12/02/2011 for the course HP 421 taught by Professor Milam during the Fall '07 term at USC.

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

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