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Appendix F: Neurologic Examination
Pages 574-579

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From page 574...
... Specific symptoms and signs such as motor weakness, incoordination, sensory loss and altered mental status arise from abnormalities in the functioning of the specialized cells of the brain, spinal cord, and peripheral nerves. This appendix covers the neurologic examination and, more specifically, testing for three of the necrologic outcomes discussed in Chapter 7: peripheral neuropathy, neurobehavioral effects, and sensory effects.
From page 575...
... If the myelin sheath is affected, the conduction velocity is slower than normal, and other electrophysiological parameters can be affected too. Nerve conduction studies examine functioning of the peripheral nervous system, and a similar type of testing—known as evoked potentials is used to examine the functioning of both the peripheral and the central nervous systems.
From page 576...
... Given the wide array of tests available, batteries generally should include at least one test from each ofthe functional domains (Table F.~: overall cognitive ability; attention and concentration; motor skills; visuomotor coordination; visuospatial relations; memory; affect and personality. The functional domains to some extent overlap.
From page 577...
... Increased siow-wave activity occurs during exposure to neurotoxicants that depress central nervous system function. The EEG tracing typically returns to a normal pattern after removal from the agent, although behavioral manifestations may persist clinically, or be detectable on further neuropsychologic testing.
From page 578...
... may also be affected. Audiometry can distinguish between sensorineural hearing loss and hearing loss due to middle ear infections or central nervous system lesions by incorporating additional tests, including measurement of bone conduction, audio evoked potentials, and immittance.
From page 579...
... Block design from WAIS-R Wechsler Memory Scale-Revised, including paired associates; Benton Visual Retention; serial digit learning Profile of Mood States (POMS) ; Minnesota Multiphasic Personality Inventory (MMPI)

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