Table 4.

Mean (SD) of Vocabulary Knowledge, FA, intracranial volume, and age by left arcuate fasciculus volume classification

NormalHigh VolumeLow Volume
Vocabulary Knowledgea64.70 (7.67)58.44 (9.25)*55.43 (8.22)*
FA0.51 (0.07)0.48 (0.05)0.45 (0.06)*
Intracranial volume1492.72 (185.58)1538.73 (176.69)1271.57 (112.15)**
Age55.24 (16.55)51.32 (22.45)45.38 (18.17)

  • ↵aVocabulary Knowledge is reported as raw scores.

  • ↵*p < 0.05;

  • ↵**p < 0.01; difference from normal group.