 |
|
Unilateral Hemispheric Injury and Ipsilateral Instinctive Grasp Reaction
Etsuro Mori, MD;
Atsushi Yamadori, MD
Arch Neurol. 1985;42(5):485-488.
Abstract
• Development of pathological grasping in the hand ipsilateral to a focal cerebral lesion was studied in 100 consecutive patients with unilateral hemispheric lesions caused by recent stroke. Thirteen of 45 patients with right-hemispheric damage (29%) but only two of 55 patients with left-hemispheric damage (4%) showed pathological grasping. The ipsilateral grasping was of the nature of an instinctive grasp reaction. Lesion sites in the patients with this ipsilateral instinctive grasp reaction (IIGR) were in either the perisylvian region or the subcortical region. The IIGR was highly correlated with various right-hemispheric behavioral syndromes. These results suggest that the IIGR is another of the right-hemispheric behavioral syndromes and that the basis of this sign is a disturbance of selective attention. The preponderance of right-sided IIGR may reflect the right hemisphere's dominance for attention and the greater tendency in man to explore the right side of space.
Author Affiliations
From the Neurology Service, Hyogo Brain and Heart Center at Himeji, Japan.
Footnotes
Accepted for publication June 13,1984.
Reprint requests to Neurology Service, Hyogo Brain and Heart Center at Himeji, 520, Saishoko, Himeji, 670, Japan.
 CiteULike  Connotea  Del.icio.us  Digg  Reddit  Technorati  Twitter
What's this?
THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES
Manual Approach During Hand Gesture Imitation
Kwon et al.
Arch Neurol 2002;59:1468-1475.
ABSTRACT
| FULL TEXT
Motor perseverative behavior on a line cancellation task
Na et al.
Neurology 1999;52:1569-1569.
ABSTRACT
| FULL TEXT
Acute Confusional State and Acute Agitated Delirium: Occurrence After Infarction in the Right Middle Cerebral Artery Territory
Mori and Yamadori
Arch Neurol 1987;44:1139-1143.
ABSTRACT
|
