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. 2015 May 20;6:93. doi: 10.3389/fphar.2015.00093

Table 8.

Sub-chronic effects of cocoa supplementation on cognition: CDB cognitive tasks.

Cycle 1 Cycle 2 Cycle 3
CDB Task Group Baseline (0 h) Sub-chronic (4 weeks) ANCOVA Baseline (0 h) Sub-chronic (4 weeks) ANCOVA Baseline (0 h) Sub-chronic (4 weeks) ANCOVA
M SD M SD F p M SD M SD F p M SD M SD F p
Serial threes correct (number) Cocoa 24.47 12.39 39.63 18.06 0.13 0.73 31.68 12.98 41.63 17.42 0.92 0.34 33.42 13.29 39.89 17.09 0.05 0.82
Placebo 19.83 9.43 33.29 14.49 25.17 14.46 38.76 19.08 29.35 15.64 36.35 15.81
Serial threes speed (ms) Cocoa 5639.05 3426.91 3331.21 1617.37 0.28 0.60 3857.11 1876.65 3001.32 1408.70 0.04 0.84 3761.16 1697.78 3394.39 2560.07 0.68 0.42
Placebo 6213.11 2487.61 3731.65 1329.49 4459.44 1546.01 3459.94 1697.89 4147.53 1521.50 3311.29 1222.84
Serial sevens correct (number) Cocoa 15.37 11.04 22.58 11.76 0.83 0.37 17.63 10.10 21.79 12.70 0.04 0.85 18.79 10.53 25.50 13.93 0.13 0.72
Placebo 13.50 8.91 19.00 9.39 14.83 7.68 20.12 7.54 13.76 7.63 21.29 10.45
Serial sevens speed (ms) Cocoa 7561.05 4531.69 5659.89 2786.34 0.85 0.37 6603.95 3489.18 5062.21 2301.93 2.87 0.10 6472.42 3026.03 5578.11 3713.13 0.06 0.81
Placebo 8304.89 3116.47 6749.76 3264.55 6733.94 1913.41 5828.00 2039.21 7235.47 2281.21 5914.18 2378.46
RVIP accuracy (%) Cocoa 44.97 24.02 51.97 24.53 0.51 0.48 49.54 24.81 50.79 26.34 0.08 0.78 43.51 30.32 45.56 27.37 0.13 0.72
Placebo 32.64 15.13 46.62 13.32 40.00 17.09 43.10 18.76 38.08 18.26 45.74 21.41
RVIP speed (ms) Cocoa 452.78 58.71 462.40 45.67 1.64 0.21 472.21 57.02 469.86 60.76 1.41 0.24 475.10 40.25 471.05 53.15 0.72 0.40
Placebo 470.89 54.87 488.69 44.62 493.91 49.29 501.40 51.32 493.75 53.52 491.83 45.30

RVIP, Rapid Visual Information Processing.