ArticleAphasiology2019
Impaired Lexical Selection and Fluency in Post-Stroke Aphasia.
Article in Aphasiology, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
2 citing papers in PubMed.
- Timing of implicit processes in aphasia: An event-related potential investigation of masked priming effects.Clinical neurophysiology : official journal of the International Federation of Clinical Neurophysiology · 2025Article
- Behavioural and neural structure of fluent speech production deficits in aphasia.Brain communications · 2023Article
Corrections and comments
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Authors and funding
2 authors.
Funding
Abstract
backgroundDeficits in fluent language production are a hallmark of aphasia and may arise from impairments at different levels in the language system. It has been proposed that difficulty resolving lexical competition contributes to fluency deficits.
aimsThe present study tested this hypothesis in a novel way: by examining whether narrative speech production fluency is associated with difficulty resolving lexical competition in spoken word recognition as measured by sensitivity to phonological neighborhood density. METHODS & PROCEDURES: Nineteen participants with aphasia and 15 neurologically intact older adults identified spoken words that varied in phonological neighborhood density and were presented in moderate noise. OUTCOMES &
resultsNeurologically intact participants exhibited the standard inhibitory effect of phonological neighborhood density on response times: slower recognition of spoken words from denser neighborhoods. Among participants with aphasia, the inhibitory effect of phonological neighborhood density (less accurate recognition of spoken words from denser neighborhoods) was smaller for participants with greater fluency. The neighborhood effect was larger for participants with greater receptive vocabulary knowledge, indicating that the fluency effect was not a result of general lexical deficits.
conclusionsThese results are consistent with the hypothesis that impaired lexical selection is a contributing factor in fluency deficits in post-stroke aphasia.
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