Table 2.
Results summary of decoding analysis with fivefold cross validation (see methods)
| Offer 1 | Offer 2 | Prechoice | Choice | Postchoice | Reward | |
|---|---|---|---|---|---|---|
| vmPFC | ||||||
| %Correctly classified | 744/1400 (53.1429%) | 778/1400 (55.5714%) | 857/1400 (61.2143%) | 864/1360 (63.5294%) | 884/1400 (63.1429%) | 894/1400 (63.8571%) |
| P value | 0.049 | 0.004 | < 0.001 | < 0.001 | < 0.001 | < 0.001 |
| VS | ||||||
| %Correctly classified | 750/1400 (53.5714%) | 813/1400 (58.0714%) | 845/1360 (62.1324%) | 839/1320 (63.5606%) | 822/1320 (62.2727%) | 822/1360 (60.4412%) |
| P value | 0.028 | < 0.001 | < 0.001 | < 0.001 | < 0.001 | < 0.001 |
| dACC | ||||||
| %Correctly classified | 731/1320 (55.3788%) | 716/1320 (54.2424%) | 638/960 (66.4583%) | 582/960 (60.625%) | 725/960 (75.5208%) | 655/960 (68.2292%) |
| P value | 0.004 | 0.011 | < 0.001 | < 0.001 | < 0.001 | < 0.001 |
| sgACC | ||||||
| %Correctly classified | 722/1360 (53.0882%) | 724/1360 (53.2353%) | 409/760 (53.8158%) | 444/760 (58.4211%) | 481/76 (63.2895%) | 423/760 (55.6579%) |
| P value | 0.048 | 0.001 | 0.063 | < 0.001 | < 0.001 | 0.013 |
| OFC | ||||||
| %Correctly classified | 800/1440 (55.5556%) | 834/1440 (57.9167%) | 844/1440 (58.6111%) | 790/1440 (54.8611%) | 758/1440 (52.6389%) | 739/1440 (51.3194%) |
| P value | 0.005 | < 0.001 | < 0.001 | 0.002 | 0.011 | 0.214 |
Offer 1 and offer 2 columns: decodability of offer position. Prechoice, choice, postchoice, and reward columns: decodability of chosen side. P values calculated by permutation test.