Method and apparatus for diagnosing neurological impairment
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United States of America Patent
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-
Mar 9, 2004
Grant Date -
Jun 12, 2003
app pub date -
Dec 11, 2001
filing date -
Dec 11, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method of diagnosing neurological impairments such as multiple sclerosis includes the determination of the simultaneity threshold of a pair of sensory stimuli, such as visual or tactile stimuli, separated temporally by a stimulus onset asynchrony (SOA). The stimuli may be presented unilaterally or bilaterally. Interhemispheric transfer times may also be determined by determining the difference in simultaneity thresholds for bilateral and unilateral presentations. Simultaneity thresholds and interhemispheric transfer times are significantly elevated in patients with MS and other neurological impairments. An apparatus for delivering such sensory stimuli includes an array of visual stimuli and tactile stimulators, a computer-implemented control program and a precise timing mechanism.
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