Table 1.

Summary of demographic and behavioral measures

Age***Digit-symbol***Dot-comparison***Verbal fluency*Trails ATrails B*Shipley vocabulary
Young (N = 19)22.21 (0.55)74.21 (2.45)49.84 (2.14)27.11 (1.79)33.89 (2.60)60.63 (5.22)33.58 (0.71)
Old (N = 19)64.79 (0.65)52.47 (1.93)34.47 (1.79)22.95 (1.16)36.32 (3.22)77.79 (8.12)34.42 (0.94)
  • The mean and SEM (in parentheses) are shown for each measure. Significant age differences are indicated by asterisks next to the name of each measure (*p < 0.05;

  • ***p < 0.001; one-tailed for all directional analyses unless otherwise noted).