Linked Life Data

15505977

Source:http://linkedlifedata.com/resource/pubmed/id/15505977

Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
4-5
pubmed:dateCreated
2004-10-27
pubmed:abstractText
Both impaired spatial working memory (SWM) and unilateral neglect may follow damage to the right parietal lobe. We propose that impaired SWM can exacerbate visual neglect, due to failures in remembering locations that have already been searched. When combined with an attentional bias to the ipsilesional right side, such a SWM impairment should induce recursive search of ipsilesional locations. Here we studied a left neglect patient with a right temporoparietal haemorrhage. On a nonlateralised, purely vertical SWM task, he was impaired in retaining spatial locations. In a visual search task, his eye position was monitored while his spatial memory was probed. He recursively searched through right stimuli, re-fixating previously inspected items, and critically treated them as if they were new discoveries, consistent with the SWM deficit. When his recovery was tracked over several months, his SWM deficit and left neglect showed concurrent improvements. We argue that impaired SWM may be one important component of the visual neglect syndrome.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:status
MEDLINE
pubmed:issn
0010-9452
pubmed:author
pubmed:issnType
Print
pubmed:volume
40
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
667-76
pubmed:dateRevised
2009-11-11
pubmed:meshHeading
pubmed:articleTitle
Impaired spatial working memory: one component of the visual neglect syndrome?
pubmed:affiliation
Division of Neuroscience and Psychological Medicine, Imperial College London, Charing Cross, Hospital Campus, London, UK.
pubmed:publicationType
Journal Article, Case Reports, Research Support, Non-U.S. Gov't