Table 3.
Correlations between performance in cognitive (CVLT, WCST, stroop Interference, symbol digit Modality test, WAIS) and motor tests (finger tapping, pegboard, and gait) and metabolism in prefrontal (BA 9, 10, 11) and cingulate (BA 32) regions
| CVLT | BA 9 | BA 10 | BA 32 | BA 11 |
|---|---|---|---|---|
| Trials 1–5: total learning | 0.001 | 0.002 | 0.001 | 0.002 |
| Short delay free recall | 0.004 | 0.005 | 0.003 | 0.003 |
| Short delay cued recall | 0.003 | 0.004 | 0.002 | 0.002 |
| Long delay free recall | 0.03 | 0.03 | 0.02 | 0.02 |
| Long delay cued recall | 0.003 | 0.004 | 0.002 | 0.002 |
| Recognition hits: accuracy | NS | NS | NS | 0.04 |
| WCST | ||||
| % Correct | NS | NS | NS | NS |
| % Perseverative errors | NS | NS | NS | NS |
| Stroop interference | 0.05 | NS | 0.05 | NS |
| Trail AS | 0.04 | 0.03 | 0.05 | NS |
| Trail BS | NS | NS | NS | NS |
| Symbol digit modality: | ||||
| Written | 0.009 | 0.02 | 0.02 | 0.04 |
| WAIS-R | ||||
| Digits forward | NS | NS | NS | 0.05 |
| Digits backward | 0.03 | 0.03 | NS | NS |
| Matrix reasoning | NS | NS | NS | NS |
| Motor tests | ||||
| Finger tapping | NS | NS | NS | NS |
| Pegboard | NS | NS | NS | NS |
| Gait | NS | NS | NS | NS |
Motor tests were used as control tests to assess the specificity of the correlations with cognition.
CVLT, California Verbal Learning Test; BA, Brodmann area; WAIS, Wechsler Adult Intelligence Scale; WCST, Wisconsin Card Sorting Test.