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Relationships between Constructional and Visuospatial Abilities in Normal Subjects and in Focal Brain-damaged Patients.

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Title: Relationships between Constructional and Visuospatial Abilities in Normal Subjects and in Focal Brain-damaged Patients.
Authors: Trojano, Luigi (AUTHOR), Fragassi, NinaA. (AUTHOR), Chiacchio, Laura (AUTHOR), Izzo, Orsola (AUTHOR), Izzo, Giuseppina (AUTHOR), Cesare, GabriellaDi (AUTHOR), Cristinzio, Chiara (AUTHOR), Grossi, Dario (AUTHOR)
Source: Journal of Clinical & Experimental Neuropsychology. Nov2004, Vol. 26 Issue 8, p1103-1112. 10p. 1 Black and White Photograph, 2 Charts.
Subjects: Visual perception, Neuropsychology, Brain diseases, Cognitive psychology, Psychodiagnostics
Abstract: We tested 125 normal subjects and 24 right and 22 left focal brain-damaged patients (RBD and LBD) on the Rey figure copying test and on a battery of perceptual and representational visuospatial tasks, in search of relationships between constructional and visuospatial abilities. Selected RBD and LBD were not affected by severe aphasia, unilateral spatial neglect or general intellectual defects. Both RBD and LBD showed defective performances on the constructional task with respect to normal subjects. As regards visuospatial tasks, both patient groups scored lower than normal subjects in judging angle width and mentally assembling geometrical figures; moreover, RBD, but not LBD, achieved scores significantly lower than healthy controls in judging line orientation and analyzing geometrical figures. Post-hoc comparisons did not reveal any significant differences between RBD and LBD. Multiple regression analysis showed that visuospatial abilities correlate with accuracy in copying geometrical drawings in normal subjects and in RBD, but not in LBD. From a theoretical perspective, these findings support the idea that visual perceptual and representational abilities do play a role in constructional skills. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Clinical & Experimental Neuropsychology is the property of Taylor & Francis Ltd 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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  Label: Title
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  Data: Relationships between Constructional and Visuospatial Abilities in Normal Subjects and in Focal Brain-damaged Patients.
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  Data: <searchLink fieldCode="AR" term="%22Trojano%2C+Luigi%22">Trojano, Luigi</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Fragassi%2C+NinaA%2E%22">Fragassi, NinaA.</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Chiacchio%2C+Laura%22">Chiacchio, Laura</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Izzo%2C+Orsola%22">Izzo, Orsola</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Izzo%2C+Giuseppina%22">Izzo, Giuseppina</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Cesare%2C+GabriellaDi%22">Cesare, GabriellaDi</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Cristinzio%2C+Chiara%22">Cristinzio, Chiara</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Grossi%2C+Dario%22">Grossi, Dario</searchLink> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Clinical+%26+Experimental+Neuropsychology%22">Journal of Clinical & Experimental Neuropsychology</searchLink>. Nov2004, Vol. 26 Issue 8, p1103-1112. 10p. 1 Black and White Photograph, 2 Charts.
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  Data: <searchLink fieldCode="DE" term="%22Visual+perception%22">Visual perception</searchLink><br /><searchLink fieldCode="DE" term="%22Neuropsychology%22">Neuropsychology</searchLink><br /><searchLink fieldCode="DE" term="%22Brain+diseases%22">Brain diseases</searchLink><br /><searchLink fieldCode="DE" term="%22Cognitive+psychology%22">Cognitive psychology</searchLink><br /><searchLink fieldCode="DE" term="%22Psychodiagnostics%22">Psychodiagnostics</searchLink>
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  Data: We tested 125 normal subjects and 24 right and 22 left focal brain-damaged patients (RBD and LBD) on the Rey figure copying test and on a battery of perceptual and representational visuospatial tasks, in search of relationships between constructional and visuospatial abilities. Selected RBD and LBD were not affected by severe aphasia, unilateral spatial neglect or general intellectual defects. Both RBD and LBD showed defective performances on the constructional task with respect to normal subjects. As regards visuospatial tasks, both patient groups scored lower than normal subjects in judging angle width and mentally assembling geometrical figures; moreover, RBD, but not LBD, achieved scores significantly lower than healthy controls in judging line orientation and analyzing geometrical figures. Post-hoc comparisons did not reveal any significant differences between RBD and LBD. Multiple regression analysis showed that visuospatial abilities correlate with accuracy in copying geometrical drawings in normal subjects and in RBD, but not in LBD. From a theoretical perspective, these findings support the idea that visual perceptual and representational abilities do play a role in constructional skills. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Journal of Clinical & Experimental Neuropsychology is the property of Taylor & Francis Ltd 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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      – SubjectFull: Brain diseases
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              Text: Nov2004
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