Suppressing irrelevant information from working memory: evidence for domain-specific deficits in poor comprehenders

Previous research has suggested that children with specific reading comprehension deficits (poor comprehenders) show an impaired ability to suppress irrelevant information from working memory, with this deficit detrimentally impacting on their working memory ability, and consequently limiting their...

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Main Authors: Pimperton, H, Nation, K
Format: Journal article
Language:English
Published: Elsevier 2010
Subjects:
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author Pimperton, H
Nation, K
author_facet Pimperton, H
Nation, K
author_sort Pimperton, H
collection OXFORD
description Previous research has suggested that children with specific reading comprehension deficits (poor comprehenders) show an impaired ability to suppress irrelevant information from working memory, with this deficit detrimentally impacting on their working memory ability, and consequently limiting their reading comprehension performance. However, the extent to which these suppression deficits are specific to the verbal domain has not yet been explored. Experiment 1 examined the memory profiles of poor comprehenders and demonstrated a memory deficit specific to working memory, and the verbal domain within working memory. Experiment 2 compared the same poor comprehenders and controls on both verbal and non-verbal versions of a proactive interference task designed to assess their ability to suppress no-longer-relevant information from working memory. The poor comprehenders showed domain-specific suppression deficits, demonstrating impairments relative to the controls only in the verbal version of the task. Experiment 3 replicated these findings after the response modes of the verbal and non-verbal tasks were equated, confirming the domain specificity of our sample of poor comprehenders' suppression deficits.
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spelling oxford-uuid:343706f3-d622-479c-9bc8-0729c861708c2022-03-26T13:24:38ZSuppressing irrelevant information from working memory: evidence for domain-specific deficits in poor comprehendersJournal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:343706f3-d622-479c-9bc8-0729c861708cExperimental psychologyEnglishOxford University Research Archive - ValetElsevier2010Pimperton, HNation, KPrevious research has suggested that children with specific reading comprehension deficits (poor comprehenders) show an impaired ability to suppress irrelevant information from working memory, with this deficit detrimentally impacting on their working memory ability, and consequently limiting their reading comprehension performance. However, the extent to which these suppression deficits are specific to the verbal domain has not yet been explored. Experiment 1 examined the memory profiles of poor comprehenders and demonstrated a memory deficit specific to working memory, and the verbal domain within working memory. Experiment 2 compared the same poor comprehenders and controls on both verbal and non-verbal versions of a proactive interference task designed to assess their ability to suppress no-longer-relevant information from working memory. The poor comprehenders showed domain-specific suppression deficits, demonstrating impairments relative to the controls only in the verbal version of the task. Experiment 3 replicated these findings after the response modes of the verbal and non-verbal tasks were equated, confirming the domain specificity of our sample of poor comprehenders' suppression deficits.
spellingShingle Experimental psychology
Pimperton, H
Nation, K
Suppressing irrelevant information from working memory: evidence for domain-specific deficits in poor comprehenders
title Suppressing irrelevant information from working memory: evidence for domain-specific deficits in poor comprehenders
title_full Suppressing irrelevant information from working memory: evidence for domain-specific deficits in poor comprehenders
title_fullStr Suppressing irrelevant information from working memory: evidence for domain-specific deficits in poor comprehenders
title_full_unstemmed Suppressing irrelevant information from working memory: evidence for domain-specific deficits in poor comprehenders
title_short Suppressing irrelevant information from working memory: evidence for domain-specific deficits in poor comprehenders
title_sort suppressing irrelevant information from working memory evidence for domain specific deficits in poor comprehenders
topic Experimental psychology
work_keys_str_mv AT pimpertonh suppressingirrelevantinformationfromworkingmemoryevidencefordomainspecificdeficitsinpoorcomprehenders
AT nationk suppressingirrelevantinformationfromworkingmemoryevidencefordomainspecificdeficitsinpoorcomprehenders