Abstract:
:In this review, studies on number processing and calculation in demented patients are summarized. Single cases, group studies and our own examinations all show that acalculia is a frequent symptom of dementia and correlates with severity of dementia. While calculation and numeral transcoding deficits are often prominent in early courses of the disease, deficits in semantic processing and basic number processing are less severe. Still, single cases demonstrate that very specific dysfunctions in number processing and calculation can occur in dementia. In number transcoding, a characteristic error type occurs in demented patients that has not (or rarely) been described in other brain damaged people so far. In these "shift errors" or "intrusion errors" the wrong number code is used or the number codes are mixed (e.g. patients write "2hindert11" instead of zweihundertelf (two hundred eleven)). Due to the frequent occurence of acalculia in dementia and its specific features, it is suggested that acalculia should be integrated into the criteria for dementia and that number processing and calculation tests are used in the diagnosis of dementia.
journal_name
Z Gerontol Geriatrjournal_title
Zeitschrift fur Gerontologie und Geriatrieauthors
Kalbe E,Kessler Jdoi
10.1007/s003910200013subject
Has Abstractpub_date
2002-04-01 00:00:00pages
88-101issue
2eissn
0948-6704issn
1435-1269journal_volume
35pub_type
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journal_title:Zeitschrift fur Gerontologie und Geriatrie
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journal_title:Zeitschrift fur Gerontologie und Geriatrie
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journal_title:Zeitschrift fur Gerontologie und Geriatrie
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journal_title:Zeitschrift fur Gerontologie und Geriatrie
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journal_title:Zeitschrift fur Gerontologie und Geriatrie
pub_type: 杂志文章,评审
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journal_title:Zeitschrift fur Gerontologie und Geriatrie
pub_type: 杂志文章
doi:
更新日期:1995-09-01 00:00:00
abstract::The mortality in elderly patients over the age of 80 years with peptic ulcers in the case of complications, such as bleeding and perforation is higher than in the general population. Duodenal ulcers are associated with Helicobacter pylori infections in 90% of cases and in 70% of gastric ulcers. The treatment of elderl...
journal_title:Zeitschrift fur Gerontologie und Geriatrie
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journal_title:Zeitschrift fur Gerontologie und Geriatrie
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journal_title:Zeitschrift fur Gerontologie und Geriatrie
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journal_title:Zeitschrift fur Gerontologie und Geriatrie
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journal_title:Zeitschrift fur Gerontologie und Geriatrie
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journal_title:Zeitschrift fur Gerontologie und Geriatrie
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journal_title:Zeitschrift fur Gerontologie und Geriatrie
pub_type: 杂志文章,评审
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journal_title:Zeitschrift fur Gerontologie und Geriatrie
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journal_title:Zeitschrift fur Gerontologie und Geriatrie
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abstract:AIM OF THE STUDY:Analysis of differences between oncologic and non-oncologic patients in the first German hospital-based special care unit for palliative geriatrics. METHODS:Systematic analysis of patients' records according to a standardized protocol. RESULTS:A total of 217 patients from a hospital-based special car...
journal_title:Zeitschrift fur Gerontologie und Geriatrie
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abstract::From its origin to its death the human organism is submitted to functional, material and morphological changes that are perceptible. These changes permit classifying an individual as young, adult, old, active or infirm. But this estimation is not always correct. Some appear younger, some older than expected from their...
journal_title:Zeitschrift fur Gerontologie und Geriatrie
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更新日期:2000-01-01 00:00:00