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Visual-spatial and visual-motor func...

Griffone, Stephanie Dianne.

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Visual-spatial and visual-motor function in pediatric heart transplant recipients.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Visual-spatial and visual-motor function in pediatric heart transplant recipients./
Author:	Griffone, Stephanie Dianne.
Description:	115 p.
Notes:	Source: Dissertation Abstracts International, Volume: 67-03, Section: B, page: 1701.
Contained By:	Dissertation Abstracts International67-03B.
Subject:	Psychology, Psychobiology. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3209848
ISBN:	9780542586156

Visual-spatial and visual-motor function in pediatric heart transplant recipients.
Griffone, Stephanie Dianne.

Visual-spatial and visual-motor function in pediatric heart transplant recipients. - 115 p.

Source: Dissertation Abstracts International, Volume: 67-03, Section: B, page: 1701.

Thesis (Ph.D.)--Loma Linda University, 2006.

Heart surgery is commonly used to repair congenital heart defects and to perform heart transplantation. The associated hypoxia before or during the surgery may cause damage in the parasaggital area of the cerebral cortex, with resulting difficulty during tasks requiring visual-spatial and visual-motor skills. This study compares the performance of children who received a heart transplant during infancy to that of nonclinical children with no medical complications on three visual-motor measures, three visual-spatial measures, and two computerized visual-spatial tasks---a Block Design Matching task and a Mental Rotation task. The children who received a heart transplant achieved significantly lower scores than the nonclinical children on all three visual-motor measures and all three visual-spatial measures. However, based on the tests' norms, their scores were significantly lower than expected for only two of the visual-motor measures. For the computerized tasks, the children who received a heart transplant had a lower accuracy than the nonclinical children on the Mental Rotation task, but they performed at a similar level on the Block Design Matching task. For the Mental Rotation task, accuracy was significantly lower when the stimuli were closer to upside down. There were no significant differences between the groups' response times for either task. On the Block Design Matching task, the children in both groups responded faster when the images were the same and when the images were less complex. For the Mental Rotation task, the children in both groups responded faster when the stimulus was a letter "R" rather than when it was an "F" or a "G," when the stimulus was a letter rather than a mirror image of a letter, and when the stimulus was closer to the upright position. Consistent support was found only for the hypothesis that children who received a heart transplant would experience difficulty on the visual-motor measures. The differences between the groups on the visual-spatial measures were probably due to a higher SES for the nonclinical children, and the higher level of accuracy on the Mental Rotation task might have been due to the complexity of the task or other skills required (e.g. working memory).

ISBN: 9780542586156Subjects--Topical Terms:

1017821
Psychology, Psychobiology.

Visual-spatial and visual-motor function in pediatric heart transplant recipients.
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500 $a Source: Dissertation Abstracts International, Volume: 67-03, Section: B, page: 1701.
500 $a Advisers: Kiti Freier; Paul Haerich.
502 $a Thesis (Ph.D.)--Loma Linda University, 2006.
520 $a Heart surgery is commonly used to repair congenital heart defects and to perform heart transplantation. The associated hypoxia before or during the surgery may cause damage in the parasaggital area of the cerebral cortex, with resulting difficulty during tasks requiring visual-spatial and visual-motor skills. This study compares the performance of children who received a heart transplant during infancy to that of nonclinical children with no medical complications on three visual-motor measures, three visual-spatial measures, and two computerized visual-spatial tasks---a Block Design Matching task and a Mental Rotation task. The children who received a heart transplant achieved significantly lower scores than the nonclinical children on all three visual-motor measures and all three visual-spatial measures. However, based on the tests' norms, their scores were significantly lower than expected for only two of the visual-motor measures. For the computerized tasks, the children who received a heart transplant had a lower accuracy than the nonclinical children on the Mental Rotation task, but they performed at a similar level on the Block Design Matching task. For the Mental Rotation task, accuracy was significantly lower when the stimuli were closer to upside down. There were no significant differences between the groups' response times for either task. On the Block Design Matching task, the children in both groups responded faster when the images were the same and when the images were less complex. For the Mental Rotation task, the children in both groups responded faster when the stimulus was a letter "R" rather than when it was an "F" or a "G," when the stimulus was a letter rather than a mirror image of a letter, and when the stimulus was closer to the upright position. Consistent support was found only for the hypothesis that children who received a heart transplant would experience difficulty on the visual-motor measures. The differences between the groups on the visual-spatial measures were probably due to a higher SES for the nonclinical children, and the higher level of accuracy on the Mental Rotation task might have been due to the complexity of the task or other skills required (e.g. working memory).
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