ArticleScientific reports2023
Acoustic and phonemic processing are impaired in individuals with aphasia.
Article in Scientific reports, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed.
- Modulating Phonological Short-Term Memory in Stroke Survivors With Aphasia Using Transcranial Alternating Current Stimulation.Neurorehabilitation and neural repair · 2026Article
- The Spatio-Temporal Dynamics of Phoneme Encoding in Aging and Aphasia.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2026Article
- Computerized Platform in Hindi Language: Exploring Its Use in Aphasia Screening.IEEE journal of translational engineering in health and medicine · 2026Article
- Rapid auditory and phonemic processing relies on the left planum temporale.Cortex; a journal devoted to the study of the nervous system and behavior · 2025Article
- Test-Retest Reliability of TRF-Derived Measures of Cortical Tracking of the Speech Envelope.eNeuro · 2025Article
- Neural tracking of natural speech: an effective marker for post-stroke aphasia.Brain communications · 2025Article
- Exploring neural tracking of acoustic and linguistic speech representations in individuals with post-stroke aphasia.Human brain mapping · 2024Article
- Situating word deafness within aphasia recovery: A case report.Cortex; a journal devoted to the study of the nervous system and behavior · 2024Article
- High-level language brain regions process sublexical regularities.Cerebral cortex (New York, N.Y. : 1991) · 2024Article
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Authors and funding
5 authors.
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Abstract
Acoustic and phonemic processing are understudied in aphasia, a language disorder that can affect different levels and modalities of language processing. For successful speech comprehension, processing of the speech envelope is necessary, which relates to amplitude changes over time (e.g., the rise times). Moreover, to identify speech sounds (i.e., phonemes), efficient processing of spectro-temporal changes as reflected in formant transitions is essential. Given the underrepresentation of aphasia studies on these aspects, we tested rise time processing and phoneme identification in 29 individuals with post-stroke aphasia and 23 healthy age-matched controls. We found significantly lower performance in the aphasia group than in the control group on both tasks, even when controlling for individual differences in hearing levels and cognitive functioning. Further, by conducting an individual deviance analysis, we found a low-level acoustic or phonemic processing impairment in 76% of individuals with aphasia. Additionally, we investigated whether this impairment would propagate to higher-level language processing and found that rise time processing predicts phonological processing performance in individuals with aphasia. These findings show that it is important to develop diagnostic and treatment tools that target low-level language processing mechanisms.
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