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Tuesday, May 31, 2011

Emotion, Decision Making and the Orbitofrontal Cortex

Isen, A, M., Daubman, K.A., & Nowicki, G.P. (1987). Positive affect facilitates creative problem solvingJournal of Personality and Social Psychology, 56, 1122-1131. 


The hypothesis of the paper is that decision making is a process that is influenced by marker signals that arise during emotions and feelings. the paper research is on emotions, frontal lobe and their relationship with decision making.  


Orbitofrontal cortex: represents decision making structure in a neural system 
Ventromedial sector includes both the gyrus rectus and mesial half of the orbital gyri.
        -Damage to this sector disrupts social behavior profoundly:  unable to observe social conventions and unable to decide advantageously on matters pertaining to their own lives


The somatic marker hypothesis proposes there is an important connection between emotion and feeling and decision making. So a defect in emotion causes an impaired decision making.


The decision making process is affected by consequence of a decision, the regret after some risky decision.

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