Document Detail

Contra-lesional somatosensory cortex activity and somatosensory recovery in two stroke patients.
MedLine Citation:
PMID:  21305244     Owner:  NLM     Status:  MEDLINE    
OBJECTIVE: We describe here 2 stroke patients who showed activation of the contra-lesional somatosensory cortex without activation of the ipsi-lesional somatosensory cortex during proprioceptive input on the affected hand.
CASE DESCRIPTION: One patient with intracerebral haemorrhage (a 52-year-old man), 1 patient with middle cerebral artery infarct (a 54-year-old man), and 8 control subjects were recruited. The subscale for kinaesthetic sensation (full mark: 24) of the Nottingham Sensory Assessment improved from 2 points (patient 1 and 2; onset) to 8 points (patient 1) and 12 points (patient 2) at 6 months after onset. Functional magnetic resonance imaging was conducted at 6 months after onset using a 1.5-T Philips MR scanner. Passive movements were performed at the metacarpophalangeal joint.
RESULTS: On functional magnetic resonance imaging the contra--lesional (left) primary somatosensory cortex and posterior parietal cortex were activated during passive movements of either hand, which was not observed in control subjects.
CONCLUSION: The activation of only the contra-lesional somatosensory cortex during passive hand movements in these patients suggests the involvement of this area in somatosensory processing for passive movements after stroke. This area appeared to contribute to recovery of proprioceptive function of the affected hands after stroke.
Sung Ho Jang
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Publication Detail:
Type:  Case Reports; Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Journal of rehabilitation medicine     Volume:  43     ISSN:  1651-2081     ISO Abbreviation:  J Rehabil Med     Publication Date:  2011 Feb 
Date Detail:
Created Date:  2011-02-09     Completed Date:  2011-03-14     Revised Date:  2014-05-30    
Medline Journal Info:
Nlm Unique ID:  101088169     Medline TA:  J Rehabil Med     Country:  Sweden    
Other Details:
Languages:  eng     Pagination:  268-70     Citation Subset:  IM    
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MeSH Terms
Cerebral Hemorrhage / physiopathology
Hand / physiopathology
Infarction, Middle Cerebral Artery / physiopathology
Magnetic Resonance Imaging
Metacarpophalangeal Joint / physiopathology
Middle Aged
Proprioception / physiology
Recovery of Function
Somatosensory Cortex / physiopathology*
Stroke / physiopathology,  rehabilitation*

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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