Table 3.
Correlations of speech fluency (words per minute) with significantly impaired measures of language and cognition in frontotemporal lobar degeneration1
| PNFA | SemD | SOC/EXEC | |
|---|---|---|---|
| SPEECH OUTPUT | |||
| Speech errors | −.53 | - | - |
| Total words | .74 * | - | - |
|
| |||
| GRAMMAR, STRUCTURE, CONTENT PER UTTERANCE | |||
| Mean length of utterance | .66 * | - | - |
| Complex structures | .61 * | - | - |
| Verbs | .69 * | - | - |
| Nouns | −.25 | .26 | - |
| Existential subjects | - | −.80 * | - |
|
| |||
| NEUROPSYCHOLOGICAL MEASURES: COMPREHENSION, EXECUTIVE, SEMANTIC | |||
| Sentence comprehension | .46 | .67 | - |
| Reverse digit span (working memory) | −.28 | - | - |
| Stroop time (inhibitory control) | −.10 | −.21 | - |
| Animal fluency (semantic mental search) | −.05 | .33 | .85 * |
NOTES
1
Correlations are provided for all measures that were significantly impaired relative to controls.
*
p<.05; for all other correlations, p>.10.