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Do visuospatial and constructional disturbances differentiate frontal variant of frontotemporal dementia and Alzheimer's disease? An experimental study of a clinical belief.

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Title: Do visuospatial and constructional disturbances differentiate frontal variant of frontotemporal dementia and Alzheimer's disease? An experimental study of a clinical belief.
Authors: Grossi, Dario, Fragassi, Nina Antonetta, Chiacchio, Laura, Valoroso, Luigi, Tuccillo, Rosaria, Perrotta, Concetta, Rapone, Paola, Conchiglia, Giovanna, Trojano, Luigi
Source: International Journal of Geriatric Psychiatry. Jul2002, Vol. 17 Issue 7, p641-648. 8p. 4 Charts.
Subjects: Dementia, Alzheimer's disease, Mental health, Neuropsychology, Psychiatry
Abstract: Background In recent years several attempts have been made to distinguish frontotemporal dementia (FTD) from Alzheimer's disease (AD) on neuropsychological grounds; in particular, it has been suggested that FTD patients show spared spatial abilities with respect to AD patients. Objective We aimed at verifying whether patients with the frontal variant of frontotemporal dementia (fv-FTD) and AD patients perform differently on visuospatial and constructional tasks. Methods We assessed a wide range of visuospatial abilities and provided a qualitative analysis of constructional performances in 14 fv-FTD patients and 11 AD patients, matched for general cognitive abilities. Results The two groups of patients achieved similar scores on two copying tasks, presented similar drawing procedures in copying Rey complex figure and made a similar quantitative and qualitative pattern of errors in copying simple geometrical drawings. Moreover, no significant difference was found between fv-FTD and AD patients on a specific battery for visuospatial abilities. Conclusions Our data and a review of the literature suggest that basic visuospatial and constructional skills cannot be taken as a reliable diagnostic criterion for distinguishing fv-FTD and AD at a mild to moderate disease stage and that the clinical belief of spared spatial abilities in fv-FTD has to be referred to the lack of topographic disorientation in comparison to AD. Copyright © 2002 John Wiley & Sons, Ltd. [ABSTRACT FROM AUTHOR]
Copyright of International Journal of Geriatric Psychiatry is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Psychology and Behavioral Sciences Collection
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DbLabel: Psychology and Behavioral Sciences Collection
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PubType: Academic Journal
PubTypeId: academicJournal
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  Label: Title
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  Data: Do visuospatial and constructional disturbances differentiate frontal variant of frontotemporal dementia and Alzheimer's disease? An experimental study of a clinical belief.
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  Data: <searchLink fieldCode="AR" term="%22Grossi%2C+Dario%22">Grossi, Dario</searchLink><br /><searchLink fieldCode="AR" term="%22Fragassi%2C+Nina+Antonetta%22">Fragassi, Nina Antonetta</searchLink><br /><searchLink fieldCode="AR" term="%22Chiacchio%2C+Laura%22">Chiacchio, Laura</searchLink><br /><searchLink fieldCode="AR" term="%22Valoroso%2C+Luigi%22">Valoroso, Luigi</searchLink><br /><searchLink fieldCode="AR" term="%22Tuccillo%2C+Rosaria%22">Tuccillo, Rosaria</searchLink><br /><searchLink fieldCode="AR" term="%22Perrotta%2C+Concetta%22">Perrotta, Concetta</searchLink><br /><searchLink fieldCode="AR" term="%22Rapone%2C+Paola%22">Rapone, Paola</searchLink><br /><searchLink fieldCode="AR" term="%22Conchiglia%2C+Giovanna%22">Conchiglia, Giovanna</searchLink><br /><searchLink fieldCode="AR" term="%22Trojano%2C+Luigi%22">Trojano, Luigi</searchLink>
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  Data: <searchLink fieldCode="JN" term="%22International+Journal+of+Geriatric+Psychiatry%22">International Journal of Geriatric Psychiatry</searchLink>. Jul2002, Vol. 17 Issue 7, p641-648. 8p. 4 Charts.
– Name: Subject
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  Data: <searchLink fieldCode="DE" term="%22Dementia%22">Dementia</searchLink><br /><searchLink fieldCode="DE" term="%22Alzheimer's+disease%22">Alzheimer's disease</searchLink><br /><searchLink fieldCode="DE" term="%22Mental+health%22">Mental health</searchLink><br /><searchLink fieldCode="DE" term="%22Neuropsychology%22">Neuropsychology</searchLink><br /><searchLink fieldCode="DE" term="%22Psychiatry%22">Psychiatry</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Background In recent years several attempts have been made to distinguish frontotemporal dementia (FTD) from Alzheimer's disease (AD) on neuropsychological grounds; in particular, it has been suggested that FTD patients show spared spatial abilities with respect to AD patients. Objective We aimed at verifying whether patients with the frontal variant of frontotemporal dementia (fv-FTD) and AD patients perform differently on visuospatial and constructional tasks. Methods We assessed a wide range of visuospatial abilities and provided a qualitative analysis of constructional performances in 14 fv-FTD patients and 11 AD patients, matched for general cognitive abilities. Results The two groups of patients achieved similar scores on two copying tasks, presented similar drawing procedures in copying Rey complex figure and made a similar quantitative and qualitative pattern of errors in copying simple geometrical drawings. Moreover, no significant difference was found between fv-FTD and AD patients on a specific battery for visuospatial abilities. Conclusions Our data and a review of the literature suggest that basic visuospatial and constructional skills cannot be taken as a reliable diagnostic criterion for distinguishing fv-FTD and AD at a mild to moderate disease stage and that the clinical belief of spared spatial abilities in fv-FTD has to be referred to the lack of topographic disorientation in comparison to AD. Copyright © 2002 John Wiley & Sons, Ltd. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
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  Data: <i>Copyright of International Journal of Geriatric Psychiatry is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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              Text: Jul2002
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