ArticleBrain structure & function2023
The right uncinate fasciculus supports verbal short-term memory in aphasia.
Article in Brain structure & function, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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7 citing papers in PubMed, 6 citations in OpenAlex.
- Scalp acupuncture coupled with speech-language therapy modulates the ventral-dorsal structural brain network in patients with post-stroke anomia: a randomized clinical and DTI neuroimaging trial.Chinese medicine · 2026Article
- The prefrontal cortex across scales: laminar architecture, white-matter constraints, and distributed control in cognition.Brain structure & function · 2026Review
- Tractography-based correlation of diffusion anisotropy metrics in chronic post-stroke aphasia.BMC medical imaging · 2026Article
- Impaired semantic word learning in primary progressive aphasia.Brain structure & function · 2026Article
- Diffusion Tensor Imaging and Advanced Diffusion Imaging in Post-Stroke Aphasia Recovery.Tomography (Ann Arbor, Mich.) · 2026Review
- Radiologic evaluation of the uncinate fasciculus using diffusion tensor imaging and tractography: review of technical considerations and clinical implications.Polish journal of radiology · 2025Review
- Sex Differences in White Matter Diffusivity in Children with Developmental Dyslexia.Children (Basel, Switzerland) · 2024Article
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Authors and funding
6 authors at 5 institutions in 3 countries.
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Abstract
Verbal short-term memory (STM) deficits are associated with language processing impairments in people with aphasia. Importantly, the integrity of STM can predict word learning ability and anomia therapy gains in aphasia. While the recruitment of perilesional and contralesional homologous brain regions has been proposed as a possible mechanism for aphasia recovery, little is known about the white-matter pathways that support verbal STM in post-stroke aphasia. Here, we investigated the relationships between the language-related white matter tracts and verbal STM ability in aphasia. Nineteen participants with post-stroke chronic aphasia completed a subset of verbal STM subtests of the TALSA battery including nonword repetition (phonological STM), pointing span (lexical-semantic STM without language output) and repetition span tasks (lexical-semantic STM with language output). Using a manual deterministic tractography approach, we investigated the micro- and macrostructural properties of the structural language network. Next, we assessed the relationships between individually extracted tract values and verbal STM scores. We found significant correlations between volume measures of the right Uncinate Fasciculus and all three verbal STM scores, with the association between the right UF volume and nonword repetition being the strongest one. These findings suggest that the integrity of the right UF is associated with phonological and lexical-semantic verbal STM ability in aphasia and highlight the potential compensatory role of right-sided ventral white matter language tracts in supporting verbal STM after aphasia-inducing left hemisphere insult.
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.