Table 2.

Correlation matrix for the five fluid processing tasks in the old

Digit-symbolDot-comparisonVerbal fluencyTrails ATrails B
Digit-symbol1.000
Dot-comparison0.675**1.000
Verbal fluency0.651**0.734**1.000
Trails A−0.532**−0.511*−0.642**1.000
Trails B−0.480*−0.338−0.489*0.690**1.000
Shipley-vocabulary0.2130.2650.486*−0.396*−0.348
  • *p < 0.05;

  • **p < 0.01 (see supplemental Table S1, available at www.jneurosci.org as supplemental material, for the correlation matrix in the young).