... representations of action,45–46, 46f, 52–57, 55f, 56f, 58–61,60fin new learning, 37orbitofrontal region. See Orbitofrontalcortex (OFC)organization of hierarchial model of rulerepresentation ... properties of axons, 199Optical signal measurement, continuous-wave vs. frequency-domainmethods, 200Orbitofrontal cortex (OFC)in abstraction of rules, 30, 31tdifferentiation of rule types ... 261–263, 262f,263ffunctional organization of, 162–170in target selection for motor behavior, 163–166, 163f, 165f, 166f, 172topographical organization of, 107 , 108 f, 111–112, 115, 118, 120fleft/right...