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Object and action naming in aphasic ...

Parkinson, Robert Bruce.

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Object and action naming in aphasic stroke patients: Lesion characteristics related to treatment improvement.

紀錄類型:	書目-語言資料,印刷品 : Monograph/item
正題名/作者:	Object and action naming in aphasic stroke patients: Lesion characteristics related to treatment improvement./
作者:	Parkinson, Robert Bruce.
面頁冊數:	134 p.
附註:	Adviser: Bruce Crosson.
Contained By:	Dissertation Abstracts International67-08B.
標題:	Health Sciences, Rehabilitation and Therapy. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3228802
ISBN:	9780542807251

Object and action naming in aphasic stroke patients: Lesion characteristics related to treatment improvement.
Parkinson, Robert Bruce.

Object and action naming in aphasic stroke patients: Lesion characteristics related to treatment improvement. - 134 p.

Adviser: Bruce Crosson.

Thesis (Ph.D.)--University of Florida, 2006.

Few studies have examined the relationship between lesion location and naming treatment improvement in chronic aphasic stroke patients. The purpose of this study was to determine whether degree of lesion in certain brain regions was related to degree of treatment improvement demonstrated over the course of object and action naming treatments. Participants and methods. Fifteen aphasic left hemisphere stroke patients underwent naming treatments for object and/or action naming. Two raters assessed extent of lesion in 29 cortical and subcortical regions of interest (ROIs) on CT or MRI scans. Correlations were calculated between composite basal ganglia and anterior cortical lesion ratings and both pre-treatment and treatment-improvement measures for both object and action naming. Results. Greater total basal ganglia lesion extent was highly correlated with worse scores on all four naming measures when partial correlations controlled for total anterior lesion extent (r ranging from -.623 to -.785). Also, unexpectedly, greater anterior cortical lesion extent was highly correlated with better scores on all four naming measures when partial correlations controlled for total basal ganglia lesion extent (r ranging from .730 to .858). No consistent differences were found between the correlations of ROI ratings with object naming versus action naming scores. Conclusion. Large anterior cortical lesions and an intact basal ganglia may both contribute to more efficient re-organization of language functions. Since in this group of patients lesion size in these two areas appears to affect naming in opposite directions, controlling for the effects of one is needed to more clearly observe the effects of the other.

ISBN: 9780542807251Subjects--Topical Terms:

1017926
Health Sciences, Rehabilitation and Therapy.

Object and action naming in aphasic stroke patients: Lesion characteristics related to treatment improvement.
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502 $a Thesis (Ph.D.)--University of Florida, 2006.
520 $a Few studies have examined the relationship between lesion location and naming treatment improvement in chronic aphasic stroke patients. The purpose of this study was to determine whether degree of lesion in certain brain regions was related to degree of treatment improvement demonstrated over the course of object and action naming treatments. Participants and methods. Fifteen aphasic left hemisphere stroke patients underwent naming treatments for object and/or action naming. Two raters assessed extent of lesion in 29 cortical and subcortical regions of interest (ROIs) on CT or MRI scans. Correlations were calculated between composite basal ganglia and anterior cortical lesion ratings and both pre-treatment and treatment-improvement measures for both object and action naming. Results. Greater total basal ganglia lesion extent was highly correlated with worse scores on all four naming measures when partial correlations controlled for total anterior lesion extent (r ranging from -.623 to -.785). Also, unexpectedly, greater anterior cortical lesion extent was highly correlated with better scores on all four naming measures when partial correlations controlled for total basal ganglia lesion extent (r ranging from .730 to .858). No consistent differences were found between the correlations of ROI ratings with object naming versus action naming scores. Conclusion. Large anterior cortical lesions and an intact basal ganglia may both contribute to more efficient re-organization of language functions. Since in this group of patients lesion size in these two areas appears to affect naming in opposite directions, controlling for the effects of one is needed to more clearly observe the effects of the other.
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