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Nervous System Introduction
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Nervous system involvement may result in multiple impairments, which should be combined using the Combined Values Chart.
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Sensory impairment rating utilizes the Grading Scheme on page 87 forcalculation of percent of impairment.
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Sensory impairment is measured for the digits using two-point discrimination or pain/temperature, and for other regions using pain/temperature testing.
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Two-point discrimination testing of the digits uses a varied series of one or two points applied. If the subject is unable to distinguish between one point and two points at a distance of at least 10mm in two out of three applications, then sensation is impaired.
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5.
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Motor impairment rating utilizes the Grading Scheme on page 88 for calculation of permanent impairment.
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Central Nervous System (Brain and Spinal Cord)
% Impairment of
the Whole Person
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1. Language Disturbances
a. Minimal disturbances in comprehension or expression of language
symbols for daily living,with minimal impairment in functional communication.
b. Moderate impairment in comprehension or expression of language
symbols for daily living,with some useful functional communication
c. Severe impairment in comprehension or expression of language
symbols for daily living, with little functional communication
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d.
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Inability to comprehend or express language symbols sufficient for
daily living, with no functional communication
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95
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