A category-specific advantage for numbers in verbal short-term memory: Evidence from semantic dementiaCitation formats

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A category-specific advantage for numbers in verbal short-term memory: Evidence from semantic dementia. / Jefferies, Elizabeth; Patterson, Karalyn; Jones, Roy W.; Bateman, David; Lambon Ralph, Matthew A.

In: NEUROPSYCHOLOGIA, Vol. 42, No. 5, 2004, p. 639-660.

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Jefferies, Elizabeth ; Patterson, Karalyn ; Jones, Roy W. ; Bateman, David ; Lambon Ralph, Matthew A. / A category-specific advantage for numbers in verbal short-term memory: Evidence from semantic dementia. In: NEUROPSYCHOLOGIA. 2004 ; Vol. 42, No. 5. pp. 639-660.

Bibtex

@article{a27ea685ff0b4797b0f85cd6bbc5891d,
title = "A category-specific advantage for numbers in verbal short-term memory: Evidence from semantic dementia",
abstract = "This study explored possible reasons for the striking difference between digit span and word span in patients with semantic dementia. Immediate serial recall (ISR) of number and non-number words was examined in four patients. For every case, the recall of single-digit numbers was normal whereas the recall of non-number words was impaired relative to controls. This difference extended to multi-digit numbers, and remained even when frequency, imageability, word length, set size and size of semantic category were matched for the numbers and words. The advantage for number words also applied to the patients' reading performance. Previous studies have suggested that semantic memory plays a critical role in verbal short-term memory (STM) and reading: patients with semantic dementia show superior recall and reading of words that are still relatively well known compared to previously known but now semantically degraded words. Additional assessments suggested that this semantic locus was the basis of the patients' category-specific advantage for numbers. Comprehension was considerably better for number than non-number words. Number knowledge may be relatively preserved in semantic dementia because the cortical atrophy underlying the condition typically spares the areas of the parietal lobes thought to be crucial in numerical cognition but involves the inferolateral temporal-lobes known to support general conceptual knowledge. {\circledC} 2003 Elsevier Ltd. All rights reserved.",
keywords = "Immediate serial recall, Matching span, Number knowledge, Semantic dementia",
author = "Elizabeth Jefferies and Karalyn Patterson and Jones, {Roy W.} and David Bateman and {Lambon Ralph}, {Matthew A.}",
year = "2004",
doi = "10.1016/j.neuropsychologia.2003.10.002",
language = "English",
volume = "42",
pages = "639--660",
journal = "NEUROPSYCHOLOGIA",
issn = "0028-3932",
publisher = "Elsevier BV",
number = "5",

}

RIS

TY - JOUR

T1 - A category-specific advantage for numbers in verbal short-term memory: Evidence from semantic dementia

AU - Jefferies, Elizabeth

AU - Patterson, Karalyn

AU - Jones, Roy W.

AU - Bateman, David

AU - Lambon Ralph, Matthew A.

PY - 2004

Y1 - 2004

N2 - This study explored possible reasons for the striking difference between digit span and word span in patients with semantic dementia. Immediate serial recall (ISR) of number and non-number words was examined in four patients. For every case, the recall of single-digit numbers was normal whereas the recall of non-number words was impaired relative to controls. This difference extended to multi-digit numbers, and remained even when frequency, imageability, word length, set size and size of semantic category were matched for the numbers and words. The advantage for number words also applied to the patients' reading performance. Previous studies have suggested that semantic memory plays a critical role in verbal short-term memory (STM) and reading: patients with semantic dementia show superior recall and reading of words that are still relatively well known compared to previously known but now semantically degraded words. Additional assessments suggested that this semantic locus was the basis of the patients' category-specific advantage for numbers. Comprehension was considerably better for number than non-number words. Number knowledge may be relatively preserved in semantic dementia because the cortical atrophy underlying the condition typically spares the areas of the parietal lobes thought to be crucial in numerical cognition but involves the inferolateral temporal-lobes known to support general conceptual knowledge. © 2003 Elsevier Ltd. All rights reserved.

AB - This study explored possible reasons for the striking difference between digit span and word span in patients with semantic dementia. Immediate serial recall (ISR) of number and non-number words was examined in four patients. For every case, the recall of single-digit numbers was normal whereas the recall of non-number words was impaired relative to controls. This difference extended to multi-digit numbers, and remained even when frequency, imageability, word length, set size and size of semantic category were matched for the numbers and words. The advantage for number words also applied to the patients' reading performance. Previous studies have suggested that semantic memory plays a critical role in verbal short-term memory (STM) and reading: patients with semantic dementia show superior recall and reading of words that are still relatively well known compared to previously known but now semantically degraded words. Additional assessments suggested that this semantic locus was the basis of the patients' category-specific advantage for numbers. Comprehension was considerably better for number than non-number words. Number knowledge may be relatively preserved in semantic dementia because the cortical atrophy underlying the condition typically spares the areas of the parietal lobes thought to be crucial in numerical cognition but involves the inferolateral temporal-lobes known to support general conceptual knowledge. © 2003 Elsevier Ltd. All rights reserved.

KW - Immediate serial recall

KW - Matching span

KW - Number knowledge

KW - Semantic dementia

U2 - 10.1016/j.neuropsychologia.2003.10.002

DO - 10.1016/j.neuropsychologia.2003.10.002

M3 - Article

VL - 42

SP - 639

EP - 660

JO - NEUROPSYCHOLOGIA

T2 - NEUROPSYCHOLOGIA

JF - NEUROPSYCHOLOGIA

SN - 0028-3932

IS - 5

ER -