It seems that the dlPFC is used to store options before decision making<ref>[http://www.rnl.caltech.edu/publications/pdf/hare2009.pdf Self-control in decision-making involves modulation of the vmPFC valuation system. Todd A Hare, Colin F Camerer, Antonio Rangel(2009) Science 324 (5927) p. 646-8] ([http://www.talyaron.com/delib/index.php?title=%D7%9E%D7%90%D7%9E%D7%A8:_Self-control_in_decision-making_involves_modulation_of_the_vmPFC_valuation_system Summery in Hebrew]) </ref>