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The Neural Bases of Cognitive Conflict and Control in Moral Judgement…
The Neural Bases of Cognitive Conflict and Control in Moral Judgement (Greene et. al, 2004)
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Hypothesis
Moral judgement in response to violations familiar to our primate ancestors (personal moral violations) are driven by socio-emotional responses while moral judgement in response to distinctively human (impersonal moral violations) is (or can be) more "cognitive."
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Current Study
Two Hypotheses
1) Increased RT in response to personal moral dilemmas results from the conflict associated with competition between a strong proponent response and a response supported by abstract reasoning and the application of cognitive control.
Increased activity in the Anterior Cingulate Cortex (ACC) a region associated with cognitive conflict during personal moral dilemmas; longer RT
Increased activity in the dorsolateral prefrontal cortex (DLPFC) an area associated with abstract reasoning and cognitive control during personal moral dilemmas; longer RT
2) In impersonal moral dilemmas, these control processes work against social-emotional responses in favour of utilitarian judgements (judgements that maximize aggregate welfare)
Level of activity in DLPFC is positively correlated with utilitarian judgement (working against social-emotional proponent response)
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Results
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Difficult, compared to easy personal moral dilemmas require both utilitarian reasoning and the application of cognitive control in favouring the utilitarian response over its competitors.