This is a study using magnetoencephalography (MEG) to look at recovery in those with minor stroke. The investigators know that these individuals report difficulties in attention, concentration, multi-tasking, energy level, and processing speed that appear to be independent of lesion size or location. The underlying pathophysiology is unclear; however, anecdotally, many individuals are significantly improved by 6 months post-stroke. One hypothesis is that a single lesion, regardless of size, may disrupt the classic neural networks required for cognitive function. The investigators are currently collecting data to better characterize these difficulties and stroke patients' recovery as part of a previously approved recovery study. In this sub-study, the investigators propose to add MEG at 1 and 6 months in a subset of individuals with small: 1) subcortical, and 2) cortical lesions. The investigators will partner with colleagues at the University of Maryland (College Park), who are well experienced with MEG to conduct this research. In addition a control population of age-similar individuals will be recruited for comparison. Cerebral activation patterns of individuals with stroke versus controls will be compared, both across patients with stroke at a given time point, and within subjects from 1 to 6 months to determine the association of abnormal activation with cognitive dysfunction and recovery. \*\*The investigators have recently extended follow-up by adding an additional assessment at 12 months and will enroll additional participants (up to 40 patients with minor stroke, 15 age-similar controls).
Age range
18 Years – 100 Years
Sex
ALL
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Cerebral Activity Measured Using Magnetoencephalography (MEG)
Timeframe: Up to 10 weeks
Cerebral Activity Measured Using Magnetoencephalography (MEG)
Timeframe: Up to 6 months
Cerebral Activity Measured Using Magnetoencephalography (MEG)
Timeframe: Up to 12 months
Reaction Time
Timeframe: Up to 10 weeks
Reaction Time
Timeframe: Up to 6 months
Reaction Time
Timeframe: Up to 12 months