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Title: Stroke cases with apraxia of speech due to damage to the left frontal aslant tract.
Authors: Sawaki, Masaharu; Yamamoto, Masahiko; Yamamoto, Hiroyasu; Furukawa, Kenji; Yamauchi, Takahiro
Abstract: We encountered two acute stroke cases with apraxia of speech (AOS) due to left internal border‐zone infarction. Neither case had a lower precentral gyrus lesion in the left frontal lobe. The findings obtained confirmed the relationship between AOS with improvement and damage to the left frontal aslant tract (FAT) in stroke. FAT integrity has potential as a prognostic imaging biomarker of AOS. It is important to visualize the fiber connections of white matter using diffusion tensor tractography, which will predict the outcome of AOS.
Subjects: SPEECH apraxia; DIFFUSION tensor imaging; FRONTAL lobe; WHITE matter (Nerve tissue); INFARCTION
Publication: Neurology & Clinical Neuroscience, 2025, Vol 13, Issue 1, p72
ISSN: 2049-4173
Publication type: Academic Journal
DOI: 10.1111/ncn3.12849

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Stroke cases with apraxia of speech due to damage to the left frontal aslant tract.