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Sentence Recall in Latent and Anomic Aphasia: An Exploratory Study of Semantics and Syntax

Lookup NU author(s): Dr Christos Salis



This work is licensed under a Creative Commons Attribution 4.0 International License (CC BY 4.0).


We investigated whether semantic plausibility and syntactic complexity affect immediate sentence recall in people with latent and anomic aphasia. To date, these factors have not been explored in these types of aphasia. As with previous studies of sentence recall, we measured accuracy of verbatim recall and uniquely real-time speech measures. The results showed that accuracy did not distinguish performance between latent aphasia and neurotypical controls. However, some of the real-time speech measures distinguished performance between people with latent aphasia and neurotypical controls. There was some evidence, though not pervasive, that semantic plausibility and syntactic complexity influenced recall performance. There were no interactions between semantic plausibility and syntactic complexity. The speed of preparation of responses was slower in latent aphasia than controls; it was also slower in anomic aphasia than both latent and control groups. It appears that processing speed as indexed by temporal speech measures may be differentially compromised in latent and anomic aphasia. However, semantic plausibility and syntactic complexity did not show clear patterns of performance among the groups. Notwithstanding the absence of interactions, we advance an explanation based on conceptual short-term memory as to why semantically implausible sentences are typically more erroneous and possibly also slower in recall.

Publication metadata

Author(s): Salis C, Martin N, Reinert L

Publication type: Article

Publication status: Published

Journal: Brain Sciences

Year: 2021

Volume: 11

Issue: 2

Online publication date: 12/02/2021

Acceptance date: 07/02/2021

Date deposited: 11/02/2021

ISSN (electronic): 2076-3425

Publisher: MDPI AG


DOI: 10.3390/brainsci11020230


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