Cognitive and behavioral neurology : official journal of the Society for Behavioral and Cognitive Neurology · 2008
Chronic information-processing changes in individuals with a first-ever clinical lacunar syndrome.
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Anderson Jacqueline F I, Saling Michael M, Donnan Geoffrey A
Аннотация
OBJECTIVE: The aim of this study was to examine whether chronic cognitive changes occur after a first-ever single clinical lacunar syndrome.
BACKGROUND: Patients who have been diagnosed with a first-ever single clinical lacunar syndrome, on the basis of clinical rather than radiologic criteria, perform normally on general clinical neuropsychologic measures.
METHOD: We examined information-processing abilities in 17 first-ever lacunar syndrome participants [lacunar anterior circulation infarct (LACI)], using 2 experimental tasks of information processing.
RESULTS: At a group level, LACI participants were significantly impaired relative to stroke-free controls. Specifically, LACI participants had a reduced ability to process information under conditions of increasing attentional demand; this deficit was not caused by a fundamental impairment in speed of information processing.
CONCLUSIONS: The current findings represent the first evidence of chronically impaired cognition in individuals who have suffered a single clinical lacunar syndrome event, but have no history of other clinical stroke.
BACKGROUND: Patients who have been diagnosed with a first-ever single clinical lacunar syndrome, on the basis of clinical rather than radiologic criteria, perform normally on general clinical neuropsychologic measures.
METHOD: We examined information-processing abilities in 17 first-ever lacunar syndrome participants [lacunar anterior circulation infarct (LACI)], using 2 experimental tasks of information processing.
RESULTS: At a group level, LACI participants were significantly impaired relative to stroke-free controls. Specifically, LACI participants had a reduced ability to process information under conditions of increasing attentional demand; this deficit was not caused by a fundamental impairment in speed of information processing.
CONCLUSIONS: The current findings represent the first evidence of chronically impaired cognition in individuals who have suffered a single clinical lacunar syndrome event, but have no history of other clinical stroke.