PSYCO241 Lecture Notes - Lecture 94: Ultimatum Game, Transcranial Direct-Current Stimulation, Prosocial Behavior
23 Apr 2019
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Evidence for selfish nature: ruff et al. , 2012. If you could turn off the rlpfc, then people should be less controlled, more selfish: proposer requires self-control to adhere to fairness norm in rejection context, like planning. Tdcs: transcranial direct current stimulation, cathodal, disrupts rlpfc, anodal, excites rlpfc. Tdcs to knock out (improve) self-control: increases (decreases) selfishness in ultimatum (ruff et al. , 2012) Sacrifice for others with no personal gain (reputation) nor gain for the group. Much rtms studies, sought to strip people of self-control. Some may need self-control to curb greed and be able to sacrifice and care for others. Some may need self-control to stop sacrificial altruism or submission and assert themselves and their personal goals. Some may need self-control for both of these outcomes. Push and pull of motivation toward prosocial vs selfish behaviour. Self-control allows us to peek at our basic nature, our first impulse. But personality and environment shape this dynamic.
